Section B

Directions: Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need.

We’re waiting to take trips to outer space. When will it happen? According to individuals in the growing field of space tourism, it may be in five or fifty years.
Space Adventures is taking reservations for the flights, __41__ to the first manned spaceflights. The trip will cost $90,000, with a $6,000 __42__ required. More than 200 people have made reservations, said Sarah, Dalton, the company spokeswoman.
John Spencer of the Space Tourism Society says that a more realistic __43__ for regular space travel is 50 years. Issues of expense, difficulty, and danger must still be resolved. Oh yes – a reusable vehicle must also be invented. He adds, however, that ten years from now, a __44__ number of people may be able to visit a space station. He says he expects a fleet of private space vehicles or “space yachts” (游艇) to be in __45__ in 20 to 25 years. They will do what he calls “orbital super yachting.” After that, there will be cruise lines, like those that travel the Earth’s oceans, as well as space hotels and resorts.
There have been only a few studies to determine the public’s interest in space tourism, but they all conclude that a __46__ of people would like to visit space and would be willing to pay good money for it.
According to expert Patrick Collins, between 5 million and 20 million people will head for space by 2030. He also __47__ 100 flights a day leaving Earth. It would be __48__ to have more than 100 hotels in Earth’s orbit（轨道）, a few more orbiting the moon, and a few on the moon's surface. These hotels would __49__ more than 100,000 people, who would work month-long shifts. Each hotel would have a service station. Such service stations would provide oxygen, water, and hydrogen. They might also ship __50__ safe electric power back to Earth.
If all the issues can be resolved, Collins says that space tourism could one day become a $1 trillion.

真相大白

名师把脉

这一篇文章谈论关于人类去外太空旅行的内容。文章对去外太空旅行的条件和可能性进行了分析，提出了去外太空旅行需要解决的一些技术问题。

步步为赢

41. similar。解析：根据语法similar to后面加名词词组，译为就好似

42. deposit。解析：$6,000表明跟钱有关，deposit是储蓄金的意思

43. estimate。解析：根据语法，这里需要一个名词。根据句意是更实际的估计

44. limited。解析：本段一开始都是讲的是外太空旅行的好处，可是本句有一个however，说明这之后讲的是外太空旅行的限制

45. operation。解析：

46. majority。解析：a majority ofpeople大多数人

47. predicts。解析：predict是预测的意思

48. necessary。解析：根据句意，需要一个形容词，necessary表示必需的意思

49. employ。解析：根据句意需要填一个动词，而后面跟着people，选择employ表示雇佣

50. environmentally。解析：environmentally，环保地

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