Passage Four
Questions 36 to 40 are based on the following passage. "I've never met a human worth cloning," says cloning expert Mark Westhusin from his lab at36. By "stupid endeavor" (Line 2, Para. 1), Westhusin means to say that ________. A) animal cloning is not worth the effort at all B) animal cloning is absolutely impractical C) human cloning should be done selectively D) human cloning is a foolish undertaking
37. What does the first paragraph tell us about Westhusin's dog cloning project? A) Its success is already in sight. B) Its outcome remains uncertain. C) It is doomed to utter failure. D) It is progressing smoothly.
38. By cloning Missy, Mark Westhusin hopes to ________. A) study the possibility of cloning humans B) search for ways to modify .its temperament C) examine the reproductive system of the dog species D) find out the differences between Missy and its clones
39. We learn from the passage that animal clones are likely to have ________. A) a bad temper C) defective organs B) immune deficiency D) an abnormal shape
40. It can be seen that present cloning techniques ________. A) still have a long way to go before reaching maturity B) have been widely used in saving endangered species C) provide insight into the question of nature vs. nurture D) have proved quite adequate for the cloning of humans
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