题目内容

These engines ________ by hand, but now they are started by electricity.

A.
got used to staring
B.
were used to starting
C.
used to be started
D.
used to start

C
导解：used to do sth. 意为“过去经常做某事”．此句表示过去用手工发动，用被动语态．

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完形填空，阅读下面短文，从各题所给的四个选项中，选出能填入空白处的最佳选项。

　　When a person is curious about something, it means he is 1 in it and wishes to know more about it. There is 2 wrong with curiosity in itself. Whether it is good or bad depends on what people are curious about.

　　Curiosity is 3 silly or wrong. Some persons with nothing to do are full of curiosity about what their 4 are doing. They are 5 to know what they are eating or drinking, what they are 6 home or taking outside, or 7 they have come so early or late. To be interested in these things is 8 because they are 9 at all. It is none of their 10 to know what their neighbors do or are doing. Such curiosity is 11 not only 12 but also harmful. For most probably, it 13 to small talk which often brings harm, shame of disrespect to others, and thus 14 their feelings.

　　On the other hand, there is a 15 curiosity--the curiosity of wise men, who wonder at all the great things and try to 16 all they can about them. Columbus could never have found America if he had not been 17 . James Watt would not have made the steam engine 18 his curiosity about the raising of the kettle lid. All the discoveries in human history have been made 19 a result of curiosity, 20 , the curiosity is never about unimportant things which have few or nothing to do with the happiness of the public.

(1)A.interesting	B.engaged	C.excited	D.interested
(2)A.something	B.nothing	C.much	D.much
(3)A.often	B.sometimes	C.seldom	D.always
(4)A.neighbors	B.companies	C.workshops	D.families
(5)A.worried	B.satisfied	C.anxious	D.nervous
(6)A.taking	B.going	C.coming	D.bringing
(7)A.when	B.why	C.whether	D.however
(8)A.silly	B.necessary	C.impossible	D.possible
(9)A.not 　　 right	B.good	C.unimportant	D.important
(10)A.business	B.duty	C.work	D.idea
(11)A.all	B.something	C.everything	D.the 　　 matter
(12)A.funny	B.wise	C.interesting	D.foolish
(13)A.leads	B.causes	C.refers	D.stick
(14)A.effects	B.hurts	C.expresses	D.destroys
(15)A.strange	B.terrible	C.noble	D.stupid
(16)A.find 　　 out	B.find	C.decide	D.work 　　 out
(17)A.brave	B.careful	C.curious	D.famous
(18)A.with	B.without	C.for	D.from
(19)A.as	B.with	C.because	D.after
(20)A.and	B.so	C.but	D.however

Do’s and Don’ts in Whale(鲸) Watching
The Department of Fisheries and Oceans has developed guidelines for whale watching in Johnstone Strait, where killer whales are found on a daily basis each summer．It is strongly recommended that vessel(船只) operators follow these guidelines for all kinds of whales．
Approach whales from the side, not from the front or the back．
Approach no closer than 100 meters, then stop the boat but keep the engine on．
Keep noise levels down—no horns, whistles or racing of engines．
Start your boat only after the whales are more than 100 meters from your vessel．
Leave the area slowly, gradually moving faster when you are more than 300 meters from the whales．
Approach and leave slowly, avoiding sudden changes in speed or direction．
Avoid disturbing groups of resting whales．
Keep at low speeds and remain in the same direction if travelling side by side with whales．
When whales are travelling close to shore, avoid crowding them near the shore or coming between the whales and the shore．
Limit the time spent with any group of whales to less than 30 minutes at a time when within 100 to 200 meters of whales．
If there is more than one vessel at the same observation spot, be sure to avoid any boat position that would result in surrounding the whales．
Work together by communicating with other vessels, and make sure that all operators are aware of the whale watching guidelines．
【小题1】For whom is this text written?

A．Tour guides．	B．Whale watchers．
C．Vessel operators．	D．Government officials．

【小题2】When leaving the observation areas, the vessel should _____．

A．move close to the beach

B．increase speed gradually

C．keep its engine running slowly

D．remain at the back of the whales

【小题3】When going side by side with whales, the vessel should ．

A．keep moving in the same direction

B．surround the whales with other boats

C．travel closer and closer to the shore

D．take a good viewing position

【小题4】What is the shortest safe distance from the whales?

A Battery’s Nightmare
Portable electronics that can be carried about easily are only as good as their batteries (电池) and, let’s face it, batteries aren’t very good, especially when compared with, say, petrol, which packs 100 times a battery’s energy into an equal space. That’s why a large group of mechanical engineers (centered at the Massachusetts Institute of Technology, but with partners at other universities and companies) are hard at work in an effort to replace batteries with a tiny engine that runs on fuel. Imagine a battery-free life! When the fuel runs out in your mobile phone, you just fill up and go.
The engine---about the size of a ten-cent coin---starts with a combustion chamber (燃烧室) that burns hydrogen. Its tiny parts are etched (蚀刻) onto silicon wafers (硅片) in the same manner that computer parts are etched onto integrated circuits (集成电路). The first engine is made up of five wafers. And since these wafers could be produced in much the same way as computer chips, they could probably be produced quite cheaply.
But the devil in all this nice detail is efficiency. Tiny engine parts don’t always behave like the bigger parts of the first engine. Something between the parts can slow down the works, according to Columbia University Professor LucFrechette, one of the engine’s designers. Extreme heat from the combustion chamber is also a problem, often leaking to other parts of the engine.
The scientists’ goal is to create an engine that will operate 10 times better than batteries operate. Frechette says that a complete system, with all parts in place and working, will be set up in the next couple of years, but commercial models aren’t likely until at least the end of the next ten years.
【小题1】According to the passage, the title suggests that _______ .

A．batteries should be greatly improved

B．petrol will be used instead of batteries

C．the time of batteries will be gone forever

D．pollution problems caused by batteries must be solved

【小题2】What’s the meaning of the underlined word “devil” in paragraph 3?

【小题3】What can we infer from the passage?

A．The new invention doesn’t need any fuel.

B．The new engine has been produced in large quantities.

C．The new invention is much cheaper than the battery.

D．The new engine needs to be improved before it’s on sale.

Toyota recalls cars in safety alert.
Toyota is recalling more than two million cars in thief fears of sticking accelerator pedals, (踏板) just months after another major problem affected huge numbers.
The latest recall is due to potential problems with the pedal device that can cause the accelerator to become stuck.
The earlier issue affected 4.2m vehicles which we at the risk of the pedal becoming trapped under floor mats.
This time Toyota said in rare cases, the pedal mechanism were down, causing the accelerator to become harder to press, slower to return or, in some cases, stuck
It's said the problem appeared to be related to the potential build-up of condensation (压缩) on sliding surfaces in the accelerator system that helps drivers push down or release the pedal. A spokesman said the company did not yet have a solution to the latest problem but is working on it.
The recall affects the 2009-2010 RAV4, the 2009-2010 Corolla, the 2009-2010 Matrix, the 2005-2010 Avalon, the 2007-2010 Camry, the 2010 Highlander, the 2007-2010 Tundra and the 2008-2010 Sequoia. Of these, the Avalon, Camry and Tundra models -- encompassing (包含) about 1.7 million vehicles -- were also included in the previous pedal recall. The National Highway Traffic Safety Administration said in a statement that the problem is "a serious safety issue and we are pleased Toyota is taking immediate action to address it".
Toyota said drivers in the recalled vehicles whose pedals become stuck should firmly apply their brakes, drive the car to a safe location, shut off the engine and contact the nearest dealer.
Toyota's latest recall in November was blamed for several crashes, including an accident involving a Lexus that accelerated to more than 120 mph before crashing in San Diego, killing four people.
1. Why is Toyota recalling so many ears in the US?
A. To reduce price                                B. To reduce pollution
C. for the sake of safety                   D. For the sake of economy
2. Which statement is true according to the passage?
A. It's the first time for Toyota to recall cars
B. The reason of the latest recall is different from that of the earlier one
C. The Toyota company has found a good solution to the problem.
D. The recall only affects the cars made between 2009-2010
3. What shouldn't the driver in the recalled vehicles whose pedals get stuck do?
A. Turn on the car engine          B. Get in touch with the nearest dealers immediately
C. Drive the ear to a safe location immediately          D. Firmly apply their brakes
4. What can we infer from the The National Highway Traffic Safety Administration's statement?
A. It's too dangerous for the company to recall the cars
B. It's a waste of money for the company to recall the cars
C. It's not hard to solve the safety problem.
D. It's a relief to see that the company can face the problem.

以下是一些新闻报道的信息：

[A]. Science magazine published the study about orangutans(猩猩). The scientists collected evidence from years of observations in six areas on Borneo and Sumatra. The scientists found that the animals demonstrated a total of twenty-four signs of cultural activity. Several actions were demonstrated in some orangutan groups, but not others.

[B]. The Environmental Investigation Agency and Telapak released the report. Telapak is an environmental group based in Indonesia. The Environmental Investigation Agency operates in several countries. The two groups say Indonesia controls ten percent of the world's tropical rainforests.

[C]. Richard Sandor is the chairman of the C-C-X. He praised the companies forming the group for demonstrating leadership. He said they believe that an active way to deal with global warning helps everyone. The group said its members want to reduce costs they may face from future rules on greenhouse gas emissions. Trading credits may help businesses find the most effective methods to reduce pollution. Members also hope to improve their public image on environmental issues.

[D]. Their most detailed effort involved ninety-nine kinds of birds, insects and plants in North America and Europe. They found that the territory where these plants and animals live has moved north by an average of six kilometers every ten years. In Europe, some butterflies now live as much as one hundred kilometers to the north because of changes linked to higher temperatures.

[E]. The new report says many areas experienced unusual weather in two thousand and two. Most of Asia, for example, was warmer than usual. India had unusually high temperatures in April and May. The extremely hot weather caused hundreds of deaths. There also were extremely dry conditions across India. Parts of Africa experienced unusual heavy rains. Yet other areas in Africa had unusual dry weather.

[F]. Hydrogen is the most common element in the universe. Hydrogen is a colorless gas. On Earth, it is present in large amounts in natural gas, coal, plants and water. By weight, hydrogen produces the highest energy levels of any known fuel. When burned in an engine, hydrogen releases no harmful pollution into the environment. When powering a fuel cell, the only waste is water. However, hydrogen is difficult to store. It also burns easily.

请阅读以下与新闻信息，然后匹配与上面新闻相关的报道内容：

1. A severe ocean storm hit South Korea in August. It set a new national record for rainfall. In central Europe, more than one hundred people died in flooding caused by heavy rainfall in September. The flooding also resulted in thousands of millions of dollars in property damage. Yet large parts of North and South America had extremely dry weather.

2. One member of the Chicago Climate Exchange is American Electric Power. It's the biggest owner of electric power producers in the United States. Company officials say they hope their company's membership will demonstrate the ability of the C-C-X to grow.

3. For example, members of some groups make a kissing noise by tightening their mouths and sucking in air. Some groups use leaves to clean themselves or protect their hands from sharp objects. The scientists found that some of the animals use sticks as tools to remove insects from holes in trees. Other orangutans use leaves to crush insects or gather water.

4. Professors Parmesan and Yohe used similar methods to examine one hundred and seventy-two kinds of wildlife. They examined the timing of events in the spring, such as the appearance of flowers and the reproduction of animals. They found that these events happened an average of two days earlier than normal every ten years.

5. They say illegal operations to remove trees are causing large areas of forest to disappear. Environmental Investigation Agency director Dave Currey says the illegal operations are completely out of control.

These engines ________ by hand, but now they are started by electricity.

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