Scientists from South Korea are trying to convert(转化)sound waves into electricity. The research could lead to charging a cell phone from a conversation or providing energy to the nation’s electricity system generated(产生)by the noise during rash-hour traffic.
“Just as speakers transform electrical signals into sound, the opposite process —turning sound into a source of electrical power — is possible,” said Young Jun Park and Sang-Woo Kim, the joint authors of a new article in the journal Advanced Materials.
Harvesting energy from phone calls and passing cars is based on materials known as piezoelectrics. When bent, piezoelectric materials turn that mechanical energy into electricity. Lots of materials are piezoelectric: cane sugar, quartz (石英)and even dried bone which could create an electrical charge when stressed. For decades, scientists have pumped electricity into piezoelectric materials for use in environmental sensors, speakers and other devices.
Over the past few years, however, scientists have made dramatic advances in getting electricity out of piezoelectric devices. In an experiment, by using sound waves, which at 100 decibels(分贝)were not quite as loud as a rock concert (a normal conversation is about 60-70 decibels), the South Korean scientists produced a mild electrical current of about 50 millivolts(毫伏). The average cell phone requires a few volts to function, several times the power this technology can currently produce.
“But the real question is whether there is enough surrounding noise to act as a power source as for a cell phone,” said McAlpine, a leading scientist. A consumer probably wouldn’t want to attend a rock concert or stand next to a passing train to charge his cell phone. The South Korean scientists agree but they expect to get a higher power output as they continue their work.
【小题1】According to the two South Korean scientists, ________.

A.sound waves can travel faster than electricity
B.new materials can send cell phone signals better
C.using cell phones adds to heavy traffic in rush hour
D.electricity and sound can be transformed into each other
【小题2】We know from the passage that piezoelectric materials ________.
A.can produce electricity when stressed
B.are good at changing electricity into sound
C.can reduce the noise of passing cars
D.have been widely used in phones and cars
【小题3】It can be inferred from the South Korean scientists’ experiment that ________.
A.it is hard to change sound into electricity under current conditions
B.it is impossible to make use of loud sound
C.the technology has a long way to go to have a practical use
D.the technology can power cell phones easily
【小题4】What McAlpine doubts about the technology is ________.
A.the noise pollutionB.the sound resource
C.the cost of piezoelectricsD.the safety of devices

In South Korea, children get used to the Internet at an early age. A survey last year by the Ministry of information and Communication showed that nearly half of children between the age of 3 and 5 use the internet.
“In south Korea, the Internet has become a babysitter, said Lee Kyong Ko, a professor at Duksing, Women’s University in Seoul.   
Online role-playing games, where participants make friends and band together, have a strong appeal to Koreans,“One problem with those games is that you build your online person through countless hours of battles, and you develop a huge emotional attachment to your game character,”said Chang Woo Min, a one-time online gamer.
Parents report that their children steal money and do not come home for days and even weeks, practically living in Internet Cafes, and sometimes they refuse to look for jobs and play games all night and sleep during the day.
The authorities require Internet cafes to keep their distance from schools, and they open camps for teenage addicts and distribute booklets(小册子) on the dangers of game addiction. In addition, they are training hundreds of counselors, who visit schools and Internet Cafes.
In the 28,000 Internet Cafes in South Korea, persons under 18 are banded from entry after 10 p.m.. The authorities have even discussed reducing the points of gamers who play for more than three consecutive (连续的) hours, But such talks have produced no agreement, amid concerns that such restrictions would put a high-growth industry in danger and worse the problem of teenagers stealing adult online identification numbers,“Sooner or later we will be able to announce our measures,”the minister of Information and Communication, Rho Jun Hyoung, said at a news conference in May.“Since South Korea is one of the most active and developed countries in the Internet, the world is paying great attention to What policy we will adopt on this problem.”
【小题1】According to the passage, in order to solve the Internet problem, the authorities of South Korea took the following measures EXCEPT              

A.demanding the Internet Cafes to be far away from schools
B.telling the students about the dangers of game addiction
C.training counselors to visit schools and cafes
D.banning all the people from entering the Internet after 10 p.m.
【小题2】We can learn that                 from the passage.
A.most children under 6 in the South Korea use the Internet
B.some parents hope their children use the Internet only at home
C.all kinds of measures are not supported by all the people
D.the authorities in the South Korea believe that it is most active and developed country in the Inter
【小题3】In paragraph 2,the underlined sentence “the Internet has becomes a babysitter”means     .
A.children are well looked after on the Internet
B.children likes sitting in the Internet Cafes
C.children can earn money working as a babysitter in Internet Cafes
D.Internet has become a place where children are looked after while their parents are not there
【小题4】The passage is written to tell us_________________.
A.the Internet problems in South KoreaB.the bad effects of the Internet
C.the measures of the authoritiesD.teenagers like going surfing in South Korea

Scientists from South Korea are trying to convert(转化)sound waves into electricity. The research could lead to charging a cell phone from a conversation or providing energy to the nation’s electricity system generated(产生)by the noise during rash-hour traffic.

“Just as speakers transform electrical signals into sound, the opposite process —turning sound into a source of electrical power — is possible,” said Young Jun Park and Sang-Woo Kim, the joint authors of a new article in the journal Advanced Materials.

Harvesting energy from phone calls and passing cars is based on materials known as piezoelectrics. When bent, piezoelectric materials turn that mechanical energy into electricity. Lots of materials are piezoelectric: cane sugar, quartz (石英)and even dried bone which could create an electrical charge when stressed. For decades, scientists have pumped electricity into piezoelectric materials for use in environmental sensors, speakers and other devices.

Over the past few years, however, scientists have made dramatic advances in getting electricity out of piezoelectric devices. In an experiment, by using sound waves, which at 100 decibels(分贝)were not quite as loud as a rock concert (a normal conversation is about 60-70 decibels), the South Korean scientists produced a mild electrical current of about 50 millivolts(毫伏). The average cell phone requires a few volts to function, several times the power this technology can currently produce.

“But the real question is whether there is enough surrounding noise to act as a power source as for a cell phone,” said McAlpine, a leading scientist. A consumer probably wouldn’t want to attend a rock concert or stand next to a passing train to charge his cell phone. The South Korean scientists agree but they expect to get a higher power output as they continue their work.

1.According to the two South Korean scientists, ________.

A.sound waves can travel faster than electricity

B.new materials can send cell phone signals better

C.using cell phones adds to heavy traffic in rush hour

D.electricity and sound can be transformed into each other

2.We know from the passage that piezoelectric materials ________.

A.can produce electricity when stressed

B.are good at changing electricity into sound

C.can reduce the noise of passing cars

D.have been widely used in phones and cars

3.It can be inferred from the South Korean scientists’ experiment that ________.

A.it is hard to change sound into electricity under current conditions

B.it is impossible to make use of loud sound

C.the technology has a long way to go to have a practical use

D.the technology can power cell phones easily

4.What McAlpine doubts about the technology is ________.

A.the noise pollution                      B.the sound resource

C.the cost of piezoelectrics                 D.the safety of devices

 

I ran across an old photo of him the other day, thinking of some old things. He’s been dead for 25 years. His name was Rex.

36  was his favorite recreation(娱乐). He had so much 37 in the water as any person I have known. You didn’t have to throw a stick in the water to 38 him to go in. Of course, he would bring back a stick to you if you 39 throw one in.

That 40 me of that night, 41 he brought back a small box that he found somewhere--- how 42 nobody ever knew. Since it was Rex, it 43 easily have been half a race. The box wasn’t a good one. It was just a 44 old piece that somebody 45. Still it was something he wanted, probably 46 there was some difficulty in transportation(运输). And that he thought could test his courage. We first knew about his achievement when, deep in the night, we 47 him trying to get the box up onto the porch(门厅). It sounded 48 two or three people were trying to tear the house 49 . We came downstairs and turned on the 50 light. Rex was on the top step trying to pull the thing up, but it had 51somehow. And he was just holding his own(坚持着). I suppose he would have held his own 52 dawn if we hadn’t helped him. The next day we carried the box miles away and threw it out. If we had thrown it out in a 53 place, he would have brought it home again, as a small token(象征)of his strength in such matters. 54, he had been taught to carry heavy wooden objects about and he was 55 of his skill.

1.

A.

Fighting

B.

Swimming

C.

Barking

D.

Running

2.

A.

fun

B.

trouble

C.

danger

D.

difficulty

3.

A.

stop

B.

.make

C.

get

D.

have

4.

A.

will

B.

do

C.

did

D.

would

5.

A.

reminds

B.

warns

C.

tells

D.

.suggests

6.

A.

which

B.

while

C.

as

D.

when

7.

A.

far

B.

long

C.

old

D.

heavy

8.

A.

could

B.

can

C.

should

D.

would

9.

A.

priceless

B.

worthless

C.

valuable

D.

important

10.

A.

kept

B.

forgot

C.

deserted(遗弃)

D.

remained

11.

A.

because

B.

only if

C.

even if

D.

in case

12.

A.

saw

B.

heard

C.

watched

D.

caught

13.

A.

like

B.

that

C.

as if

D.

at least

14.

A.

up

B.

in

C.

away

D.

down

15.

A.

hall

B.

kitchen

C.

bedroom

D.

porch

16.

A.

rolled

B.

stopped

C.

caught

D.

broken

17.

A.

at

B.

before

C.

till

D.

during

18.

A.

distant

B.

nearby

C.

silent

D.

busy

19.

A.

In all

B.

As a result

C.

At last

D.

After all

20.

A.

proud

B.

tired

C.

ashamed

D.

doubtful

【答案】

21.B

22.A

23.C

24.C

25.A

26.D

27.A

28.A

29.B

30.C

31.A

32.B

33.C

34.D

35.D

36.C

37.C

38.B

39.D

40.A

【解析】略

【题型】完型填空

【适用】一般

【标题】2011届云南省昆明三中高三上学期第二次月考英语卷

【关键字标签】人物传记类

【结束】

11【题文】  With its budget of $80 million , John Woo as director, and an all-star cast(明星云集的演员阵容), Red Cliff is the most expensive and ambitious Asian-financed film ever. Last week I saw the release of the second part, and boy oh boy does it shows.

But watching the film as a foreigner I felt I was missing out on something. Not knowing my Cao Cao's from my Zhou Yu's, I was not even sure whom I wanted to win. Certainly after the opening scene, in which Cao Cao is seen watching a game of Cuju, an ancient Chinese variation of football, I knew who had my support. After all, any man who enjoys his football is someone after my own heart. But after Cao Cao resorted to some evil strategies against his enemies in the south, I wasn't so sure he was the man I should be rooting for.

And there is a lot more to Red Cliff 2 than just extravagant battle scenes. The film does not take itself too seriously. Conversations between leaders are littered with one-liners, many of which had the audience in laughter. There is even enough to keep fans of more romantic entertainment happy too. This includes a charming relationship between a southern spy(侦探)and an innocent northern soldier. The characters' interaction provides some genuinely heart-warming moments in the middle of the battle.

Clocking in at(结束于)around two hours, the film certainly does justice to the history story. When I walked out the cinema, I felt as drained(精疲力竭) as Cao Cao's soldiers must have 1,800 years ago.

41.By expressing “boy oh boy” in the first paragraph, the author seems to show that _______.

A.the film characters are like boys who are childish.

B.the film provides amazing and surprising scenes for audience.

C.the film is suitable for younger boys to watch.

D.the film scene is so bloody that boys shouldn’t watch it.

42.When did the author change his attitude toward Cao Cao?

A.When he read the history story about Cao Cao.

B.When he saw Cao Cao was watching a game of Cuju,

C.When he realized that Cao Cao took some bad measures to beat his enemies.

D.When he saw the romantic love story of Cao Cao and a southern spy.

43.The following factors of the film are all mentioned in the passage except_______.

A.high budget

B.leading roles

C.actors and actress

D.conversations

44.From the passage we can infer that_______.

A.the author is a football fan in a foreign country.

B.Cuju is the name of an ancient Chinese variation of football.

C.the film Red Cliff 2 lasts about two hours.

D.the author was very tired after about two hours’ battle.

【答案】

45.B

46.C

47.C

48.A

【解析】略

【题型】阅读理解

【适用】一般

【标题】2011届云南省昆明三中高三上学期第二次月考英语卷

【关键字标签】新闻报道类

【结束】

12【题文】Safety and Security Procedures

Your safety and the security of your personal property are of the primary concern to those of us who welcome you as our guest. We urge you to take advantage of the following suggestions.

YOUR VEHICLE

Lock your vehicle and do not leave money or valuable items inside. We are not responsible for their loss.

TRAVELING

Be good at noticing things around you when sightseeing or traveling. Stay in well-lit and heavily traveled areas. Don’t display large amounts of cash.

GUEST ROOM SECURITY

For additional security use the deadbolt (插锁) provided on your door and make sure the windows are locked. As an additional precautious measure, please secure the secondary locks provided. Do not admit anyone to your room without first making identification. A one-way viewer is provided in your door to assist with identification. If there is any doubt about the person’s identity, please contact the Front Desk.

SAFETY BOXES

Do not leave money or valuables in your room or vehicle. We provide free safety boxes for your use. Hotel is not responsible for items left in room valued over $200.

KEYS

Safeguard your key. Please do not leave it in the door. Do not give your key to others or leave it unattended. Please leave your key at the Front Desk when you check out.

REPORTING

Please report any suspicious activity, or safety concerns to management.

FIRE

Please familiarize yourself with the nearest fire exits. Report fire or smoke to the hotel operator. In the unlikely event of a fire, please move quickly and calmly to the nearest safe exit and leave the building. Avoid the use of elevator.

49.The suggestions are most probably from ______.

A.a hotel manager

B.a police officer

C.an experienced traveler

D.a tour guide

50.Which of the following is TRUE?

A.It is advised to travel to places where there are few people.

B.The hotel is not responsible for anything you lose.

C.Don’t report to the manager unless you are sure something is going wrong.

D.You’d better use the deadbolt and the secondary locks for safety.

51. If you feel doubtful about a stranger who knocks at the door, you should _____.

A.let the person in after you have got his/her name

B.open the door to check the person’s ID card

C.call the Front Desk to make sure

D.contact the local police for assistance

52.What does the underlined part “In the unlikely event of a fire” mean?

A.In case a fire happens, though it is not very possible

B.If a fire happens when some big events are taking place.

C.In case a fire happens in a public building.

D.If a fire breaks out and it is getting out of control.

【答案】

53.A

54.D

55.C

56.A

【解析】略

【题型】阅读理解

【适用】一般

【标题】2011届云南省昆明三中高三上学期第二次月考英语卷

【关键字标签】广告布告类

【结束】

13【题文】The new iPhone 3G should please everyone. Its look and feel are only slightly improved, but a faster network loads Web pages more quickly, true GPS functionality allows it to easily find places nearby, and the new $199 price (down from $400) makes it an affordable luxury.

Before deciding whether to buy, however, make sure you can actually take advantage of the iPhone 3G's high-speed data network. 3G stands for third-generation, which in non-geek speak translates to Web pages and mail messages that, ideally, load about three times faster than on the original iPhone. Even better, 3G coverage enables you to make a phone call and surf the Web at the same time. That's great, if you live or work in a place where the 3G network of AT&T(美国电话电报公司) (the sole wireless carrier of the iPhone) is active. That's not so great in cities like New York where AT&T's cellular coverage is awful. As one of my colleagues in New York City, who bought the original iPhone, commented, "It's just a toy. You can't make phone calls on it, so I carry my Verizon phone with me all the time."

The real fun begins when you tap on the icon called "App Store" and start browsing the hundreds of add-on applications that have been developed just for the iPhone. You'll find tons of games (I like JirboBreak, a free game inspired by the Atari classic Breakout) and mobile versions of popular websites like Pandora, Facebook, MySpace and the New York Times. Most apps will cost you, but the vast majority are $9.99 or less. The apps work on the old iPhones too, but you'll enjoy them a lot more on the iPhone 3G because many of the programs, including Yelp (local business reviews), Whrrl (mobile social networking) and UrbanSpoon (restaurant reviews), use your exact location — provided by the iPhone 3G's GPS chip — to make recommendations. The apps also load much faster over the 3G network.

57.The new iPhone 3G has following features except that _______

A.It looks and feels better

B.It has a faster network

C.It is easy to locate a place

D.It is too expensive for people to buy

58.Why do one of my colleagues carry Verizon phone with him all the time? ______.

A.Because iPhone 3G is just a toy.

B.ecause he prefers Verizon phone better.

C.Because AT&T's cellular coverage is terrible there

D.Because Verizon phone enables him make a phone call and surf the Web at the same time

59.Which of the following statements is NOT true according to the passage. ____.

A.App Store will offer you great fun.

B.many apps have been developed for the iPhone.

C.Most apps are very expensive.

D.Pandora, Facebook, MySpace and the New York Times are popular websites.

60.From the passage we know that the attitude of the author toward iPhone 3G is _____.

A.doubtful

B.appreciative

C.optimistic

D.pessimistic

【答案】

61.D

62.C

63.C

64.B

【解析】略

【题型】阅读理解

【适用】一般

【标题】2011届云南省昆明三中高三上学期第二次月考英语卷

【关键字标签】经济类

【结束】

14【题文】Birds that are half-asleep—with one brain hemisphere (半球) alert and the other sleeping—control which side of the brain remains awake, according to a new study of sleeping ducks.

Earlier studies have documented half-brain sleep in a wide range of birds. The brain hemispheres take turns sinking into the sleep stage characterized by slow brain waves. The eye controlled by the sleeping hemisphere keeps shut, while the wakeful hemisphere’s eye stays open and alert. Birds also can sleep with both hemispheres resting at once.

Decades of studies of bird groups led researchers to predict extra alertness in the end-of-the-row sleepers which tend to be attacked more easily. Sure enough, the end birds tended to watch carefully on the side away from their companions. Ducks in the inner spots showed no preference for gaze direction.

Also, birds napping at the end of the line depend on single-hemisphere sleep, rather than total relaxation, more often than inner ducks did. Turning 16 birds through the positions in a four-duck row, the researchers found that compared with 12 percent for birds in internal spots, outer birds half-asleep during some 32 percent of napping time.

“We believe this is the first evidence for an animal behaviorally controlling sleep and wakefulness at the same time in different regions of the brain,” the researchers say.

The results provide the best evidence for a long-standing assumption that single-hemisphere sleep evolved as creatures scanned for enemies. The preference for opening an eye on the lookout side could be widespread, he predicts. He’s seen it in a pair of birds napping side-by-side in the zoo and in a single pet bird sleeping by a mirror. The mirror-side eye closed as if the reflection were a companion and the other eye stayed open.

Useful as half-sleeping might be, it’s only been found in birds and such water animals as dolphins, whales, and seals. Perhaps keeping one side of the brain awake allows a sleeping animal to surface occasionally to avoid drowning.

Studies of birds may offer unique insights into sleep. Jerome M. Siegel of the UCLA says he wonders if birds’ half-brain sleep “is just the tip of the iceberg.” He supposes that more examples may turn up when we take a closer look at other species.

65.According to the passage, birds often half sleep because ______.

A.they have to watch out for possible attacks

B.their brain hemispheres take turns to rest

C.the two halves of their brain are differently structured

D.they have to constantly keep an eye on their companions

66.What is implied about the example of a bird’s sleeping in front of a mirror?

A.An imagined companion gives the bird a sense of security.

B.Birds prefer to sleep in pairs for the sake of their security.

C.The phenomenon of birds napping in pairs is widespread.

D.A single pet bird enjoys seeing its own reflection in the mirror.

67. While sleeping, some water animals tend to keep half awake in order to ______.

A.alert themselves to the approaching enemy

B.emerge from water now and then to breathe

C.be sensitive to the ever-changing environment

D.avoid being swept away by rapid currents

68.By saying “just the tip of the iceberg”, Siegel suggests that ______.

A.half-brain sleep has something to do with icy weather

B.the mystery of half-brain sleep is close to being solved

C.most birds living in cold regions tend to be half sleepers

D.half-brain sleep may exist among other species

【答案】

69.A

70.A

71.B

72.D

【解析】略

【题型】阅读理解

【适用】一般

【标题】2011届云南省昆明三中高三上学期第二次月考英语卷

【关键字标签】科普类

【结束】

15【题文】People in China, as in other parts of the world, are waiting to see how U.S. President-elect Barack Obama will deal with global problems such as the current economic slowdown once he takes office. As Sam Beattie reports from Beijing, there is widespread hope for closer U.S.-Chinese cooperation.

For many students in Beijing, Mr. Obama symbolizes all that is possible in the United States. He's a popular winner here, seen as a self-made man who has made it to the top.

"I think he is very charming, and a president who can create a new era," said Zhang Wei, a university student. "I like him very much and most of my friends do too." Ni Weibo, another university student, agrees. "Sino-U.S. relations still need more cooperation," she said. "I think he will help take it to a new era."

China's President Hu Jintao congratulated Mr. Obama within hours of his victory, saying he hoped bilateral ties could be made stronger.

Political analysts here say China will be looking for the incoming president to avoid contentious issues such as Taiwan's independence, human rights and Tibet.

Instead, they say Beijing would like Mr. Obama to focus on solving the global economic crisis, and to help China's slowing economy by opening up U.S. markets.

But trade relations might be a sticking point, says Renmin University's Professor of International Studies, Shi Yinhong.

He warns, "There is a possibility that President Obama will take some protectionist measures which China will not accept, then trade disputes could develop to a degree that we have not seen ever before."

Despite making the headlines, Mr. Obama faces some tough challenges in managing the U.S. relationship with China. China is now a stronger and more confident country than the China his

predecessors dealt with. And in this time of economic uncertainty, analysts say it's a country with which Mr. Obama will want to maintain a good relationship.

73.What can we infer from the first three paragraphs?

A.Mr. Obama was popular with many students in Beijing mostly because he will take office soon.

B.Economic slowdown is the big problem that the world is facing and looking forward to solve except US

C.China’s President Hu Jintao congratulated Obama on his victory within hours.

D.Through Obama’s being elected, we can see all is possible in US and a new relationship may come.

74.What is not mentioned in this passage?

A.What Barack Obama is expected to do in dealing with the US-China relationship.

B.Why Barack Obama will maintain a good relationship with China.

C.How Barack Obama will deal with the current economic slowdown.

D.What image Barack Obama has given to Chinese people.

75. What does “ a sticking point”( in para.7 ) mean?

A.a twist point

B.a disputed point

C.a good beginning

D.a understanding point

76.What is the best title for this report?

A.US-Chinese Cooperation Under the Current Economic Slowdown

B.Obama, Seen As A Popular Winner In China

C.Chinese Want Stronger Ties With US Under Obama Administration

D.The Current Economic Problem faces China As Well As US

【答案】

77.D

78.C

79.B

80.C

【解析】略

【题型】阅读理解

【适用】一般

【标题】2011届云南省昆明三中高三上学期第二次月考英语卷

【关键字标签】政治经济文化类

【结束】

 

The researchers, led by Hwang Woo-suk, insist they cloned an Afghan hound, only to help investigate (研究) human disease, including the possibility of cloning stem cells (干细胞) for treatment purposes.

But others immediately renewed calls for a global ban on human reproductive cloning before the technology moves any farther.

“Successful cloning of an increasing number of species confirms the general impression that it would be possible to clone any species of mammals, including humans,” said Ian Wilmut, a reproductive biologist at the University of Edinburgh who produced the first cloned mammal, Dolly the sheep, from an adult cell nearly a decade ago.

Researchers have since cloned cats, goats, cows, mice, pigs, rabbits, horses, deer, mules and gaur, a large wild ox of Southeast Asia. So far, efforts to clone a monkey or another primate with the same techniques have failed.

Uncertainties about the health and life span (寿命) of cloned animals continue to exsist; Dolly died at a young age in 2003 after developing cancer and arthritis.

Wilmut and others complimented Hwang’s achievement, reported Wednesday in the journal Nature. But they said politicians and scientists must face the larger issue — how to go on with the research without crossing the moral boundary of copying human life in the lab.

“The ability to use the technology is hopeful,” said Robert Schenken, president of the American Society for Reproductive Medicine. “However, the paper also points out that in dogs as in most species, cloning for reproductive purposes is unsafe.”

The cloned puppy was the lone success from more than 100 dogs implanted (嵌入)with more than 1,000 cloned embryos.

In a news conference in Seoul, the cloning team also condemned the reproductive cloning of humans as “unsafe and inefficient.” Human reproductive cloning already is banned in South Korea. Other nations, including the United States, are divided on whether to ban just human cloning or cloning of all kinds, including the production of stem cells.

1. An Afghan hound is a kind of ______.

   A. cat               B. dog          C. cow          D. goat

2. A ______ is a large wild ox of Southeast Asia.

   A. horse         B. deer        C. mules            D. gaur

3.Accrding to the passage, scientists haven’t been able to clone a ______ so far.

   A. deer           B. mule            C. monkey       D. mouse

4.The underlined word complimented is probably similar in meaning to ______.

   A. praised      B. doubted          C. refused      D. gave up

5.The cloning of human beings is banned in ______. 

   A. South Korea                      

B. the United States

C. both South Korea and the United States  

D. neither South Korea nor the United States

 

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