The lab, the experiments used to be done, is being repaired.A.whereB.thatC.whenD.which 题目和参考答案——青夏教育精英家教网—

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 (禁令)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 exist; 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(谴责)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.
56. An Afghan hound is a kind of ______.
A. cat           B. goat          c. cow          D. dog
57. A ______ is a large wild ox of Southeast Asia.
A. horse          B. deer          C. mules        D. gaur
58. Accrding to the passage, scientists haven’t been able to clone a ______ so far.
A. deer           B. mule         C. mouse        D. monkey
59. The underlined word complimented is probably similar in meaning to ______.
A. praised         B. doubted       C. refused      D. gave up
60. 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

People always say that if God closed a door in front of you, there must be a window opened for you. Yes, people always say that, but 31 is the window for me?

I’m not disappointed, just a little worried 32 as my roommate said, “Why are you angry with yourself once you 33 to do anything?” I had no idea. I just can’t 34 myself if I can understand some easy things. Now, I just feel 35 with myself because I couldn’t finish the assignment(任务) on the lab, and what was 36 worse was that actually I didn’t understand what the 37 was! Fiona asked me why I didn’t 38 for help. The problem is that if I have to ask some silly questions, I will feel 39 .

Before I came here, I was confident. But I have totally 40 it. Sometimes I can’t even find the right words: sometimes I am too shy to 41 others. I have to admit that I am 42 .

The wisest people are always 43 who can take advantage of others’ wisdom. But I was so stupid as to close myself and 44 a lot of time soaking inside the workbook, 45 made me more confused. Why can’t I follow the sentence? I am 46 to get help the next time I have any questions. I can 47 I am not smart, But I shouldn’t hide it. I must 48 it as soon as possible. 49 I will have to waste much more time on it ---just like tonight.

Difficulties always go with me. Go 50 ! I can make it.

1.A. which B. what C. where D. why

2.A. or B. and C. but D. while

3.A. want B. decide C. fail D. like

4.A. believe B. like C. delight D. forgive

5.A. unsatisfied B. satisfied C. happy D. worry

6.A. very B. even C. quite D. fairly

7.A. lab B. assignment C. problem D. question

8.A. look B. thank C. search D. ask

9.A. shamed B. upset C. comfortable D. sorry

10.A. forgot B. made C. lost D. took

11.A. disturb B. help C. greet D. communicate

12.A. smart B. clever C. wrong D. stupid

13.A. these B. those C. ones D. the ones

14.A. spend B. cost C. kill D. waste

15.A. that B. what C. which D. as

16.A. determined B. willing C. content D. ready

17.A. say B. announce C. explain D. admit

18.A. answer B. solve C. work out D. finish

19.A. However B. Thus C. Otherwise D. Hopefully

20.A. ahead B. on C. down D. up

根据对话情景和内容，从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

—Hi, Mike. Haven’t seen you for ages! How are you doing?

—I’m busy with my experiments in the lab but after work I often play some sports.

— _____6____

—Like tennis, running and golf.

—Golf? That’s also my favorite game. 7 .

—I usually play about once a month. What about you, Susan?

—I play every Sunday, even when it rains. I never miss a game on Sunday.

— 8

—The Country Club. Do you know it?

— 9 .

—That’s great! So you know the place.

—Yes, of course. You’re going to play next Sunday, I suppose.

—Let me see. . .

— 10

—Oh, I’d love to. What time shall we meet?

—Let’s meet at the clubhouse at 1: 30 in the afternoon.

—OK. See you then.

A．You’re kidding. B．How often do you play it?

C．Who do you play for? D．Like what?

E．We can play together. F．Where do you often go to play golf?

G．Yes, I was there once.

Li Ming is said ______ the experiment in the lab, but I can’t find him there.

A．to have done

B．to do

C．to be doing

D．doing

Have you ever had the strange feeling that you were being watched? You turned around and, sure enough, someone was looking right at you!

Parapsychologists (灵学家) say that humans have a natural ability to sense when someone is looking at them. To research whether such a “sixth sense” really exists, Robert Baker, a psychologist (心理学家) at the University of Kentucky, did two experiments.

In the first one, Baker sat behind unknowing people in public places and stared at the backs of their heads for 5 to 15 minutes. The subjects（受试者）were eating, drinking, reading, studying, watching TV, or working at a computer. Baker made sure that the people could not tell that he was sitting behind them during those periods. Later, when he questioned the subjects, almost all of them said they had no sense that someone was staring at them.

For the second experiment, Baker told the subjects that they would be stared at from time to time from behind in a laboratory setting. The people had to write down when they felt they were being stared at and when they weren’t. Baker found that the subjects were no better at telling when they were stared at and when they weren’t.

Baker concludes that people do not have the ability to sense when they’re being stared at. If people doubt the outcome of his two experiments, said Baker, “I suggest they repeat the experiments and see for themselves.”

1. The aim of the two experiments is to ________.

A. explain when people can have a sixth sense

B. show how people act while being watched in the lab

C. study whether humans can sense when they are stared at

D. prove why humans have a sixth sense

2. The underlined word “outcome” in the last paragraph most probably means ________.

A. value B. result C. performance D. connection

3.In the second experiment, the subjects _________.

A. could tell when they were stared at and when they weren’t.

B. could tell when they were stared at but couldn’t tell when they weren’t.

C. couldn’t tell when they were stared at but could tell when they weren’t.

D. couldn’t tell when they were stared at or when they weren’t.

4.What can be learned from the passage?

A. People are born with a sixth sense.

B. The experiments support parapsychologists’ idea.

C. The subjects do not have a sixth sense in the experiments.

D. People have a sixth sense in all places.

The lab, ________ the experiments used to be done, is being repaired.

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