2012年职称英语(理工类B级)全真模拟试卷(2)

第4部分：阅读理解(第31～45题，每题3分，共45分)下面有3篇短文，每篇短文后有5道题。请根据短文内容，为每题确定1个最佳选项。

 

31. What determines your weight?
A. Your working manner.
B. Your eating habit.
C. Your life style.
D. Your genes.
32. What did Jules Hirsch do in his study?
A. He let the eight fat people skip supper.
B. He let the eight fat people skip breakfast.
C. He let the eight fat people run every morning and evening.
D. He gave the eight fat people a liquid formula providing 600 calories a day.
33. What happened to the eight fat people after they left the hospital?
A. They went mad.
B. They killed themselves.
C. They were back to normal weight.
D. They attempted suicide
34. What did Ethan Sims make his subjects do?
A. Battle their genetic inheritance.
B. Increase their weight.
C. Stay at home.
D. Lower their weight.
35. What did scientists think was true?
A. Each person has a fixed weight range.
B. Each person has a weight range of 9 kg.
C. Each person wants to control his weight.
D. Each person wants to eat to his heart's content.

36. Something destructive could happen to a star that gets too close to a black hole. Which of the following statements is NOT mentioned in the passage?
A. The black hole could tear apart the star.
B. The black hole could trigger a nuclear explosion in the star.
C. The black hole could dwindle its size considerably.
D. The black hole could devour the star.
37. According to the third paragraph, researchers differed from each other in the problem of
A. whether nuclear reaction would occur.
B. whether the stars would increase its density and temperature.
C. whether shock waves would occur.
D. whether the uneven forces would flatten the stars.
38. According to the fourth paragraph, which of the following is NOT true?
A. No nuclear explosion would be triggered inside the star.
B. The star would be destroyed completely.
C. Much of the star's matter thrown by the explosion would be beyond the black hole's reach.
D. The black hole would completely devour the star.
39. What will happen several months after the explosion of the star?
A. The star's matter will move further away from by the black hole.
B. The black hole's matter will heat up.
C. The black hole's matter will swirl into the black hole.
D. The black hole's matter will release ultraviolet light and X-rays.
40. According to the context, the word "disruption" in paragraph 6 means
A. confusion.
B. tearing apart.
C. interruption.
D. flattening.

41. What is the mystery that researchers find hard to explain?
A. Honeybees are flying all across the country.
B. 25—40 percent of the honeybees in the US have died.
C. Honeybees are leaving their hives and do not return.
D. Honeybee hives are in disorder.
42. Why are researchers seriously concerned with the phenomenon of colony-collapse disorder?
A. Because honeybees produce one-third of the foods we eat
B. Because honeybees feed on flowers.
C. Because honeybees eat seeds of flowers.
D. Both B and C.
43. What are the possible causes of colony-collapse disorder given by the scientists?
A. Worsening environment.
B. Disease and chemicals.
C. Dwindling number of flowers around.
D. Changes in genes' structures.
44. According to the fifth paragraph, which of the following about bees' genes is true?
A. Bees' genes allow them to expand their colonies.
B. Bees' genes help keep them in their hives.
C. Bees' genes make them fly from flower to flower.
D. Bees' genes could explain the collapse of some colonies.
45. What explanation is given by Jerry Hayes to the phenomenon?
A. Farmers apply certain chemicals to kill unwanted bees.
B. The insecticide destroys the honeybee's nervous system.
C. The insecticide affects the honeybee's memory.
D. All of the above.