The searchers could not 42 this. Why didn’t Fred try to signal (发信号) the airplanes above? Why didn’t he 43 marks for the searchers to follow? It was almost as if he didn’t 44 to be found. Twelve days after the race, the searchers found Fred’s body － And near it, they found his bright orange helmet (头盔) 45 under a small bush(树丛) . It seemed to be hidden so that 46 couldn’t be seen from the air.
Perhaps the searchers were right. Maybe Fred 47 want to be found. Why? Because he was a 48 man. He was trying to find his 49 way out of the desert. But he never 50 it. Fred Mundy had lost his race with time.
31. A. enter B. watch C. help D organize
[解析]enter有“参加”之意。B、C、D三项意思不符合题意。 答案：A
32. A. forest B. meadow C. desert D. country
[解析]据前文所叙，应该是发生在沙漠荒地。 答案：C
33. A. defeat B. enjoy C. improve D. win 答案：D
34. A. bottle B. can C. cup D. mouthful
[解析]can 在此为名词，意为“罐”。 答案B
35. A. way B. speed C. position D. start 答案：D
36. A. skillful B. difficult C. wrong D. dangerous
[解析]后面说他迷路了，是由于这里拐弯出了差错。故应填C项。 答案：C
37. A. that B. where C. whose D. when 答案：B
38. A. easily B. hardly C. mainly D. fully
[解析]文中top为动词，意为“高达……”；根据句意是“很容易”达到40度以上。
答案：A
39. A. race B. helping C. search D. saving
[解析]从下文中searchers可推出此空应填C项。 答案：C
40. A. watching B. collecting C. recognizing D. finding 答案：D
41. A. Instead B. But C. Besides D. And 答案：B
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