2009届高考英语二轮复习完形填空试题库(21)

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In a report on the analysis of the Martian pictures Dr．Michael Car of the U．S．Geological Survey comments: ―I am convinced ．‖ Any surface water will be in the of ice．But it could save explorers from to take so much （51） with them．

The report says Mars probably had a warmer climate in ages due to its axis （轴） having been more tilted （倾斜） towards the sun．

（54） signs of plant or animal life have been detected by instruments landed on Mars, （55） the landing vehicles have been sent there for a few years．

36．A．it is

B．it

C．it to be C．required C．more C．occasions C．much C．thousand C．intelligence C．lifeless C．for C．rivers C．for C．heavy C．here‘s B．way C．carry C．equipment C．how C．ago C．Nor C．supposed

D．was D．sent D．in D．possibility D．more D．thousands D．information D．dead D．through D．seas D．with D．powerful D．here‘re C．form D．carrying D．oxygen D．that D．before D．Never D．although

D．shape

37．A．expected B．hoped 38．A．to

B．of

39．A．chances B．openings 40．A．quite 41．A．a few 42．A．skills

B．very B．many B．news

43．A．peaceful B．quiet 44．A．of 45．A．deserts 46．A．from

B．with B．mountains B．between

47．A．energetic B．great 48．A．there‘s

B．there‘re

49．A．appearance 50．A．have 51．A．water 52．A．what 53．A．pass 54．A．Not

B．having B．ice B．if B．past B．No

55．A．probably B．perhaps

36．答案：C 解析：根据新的资料显示，火星似乎并不像我们过去认为的那么干燥。it代替前面的专有名词Mars; to be 为不定式的省略式，其后面省略了dry。 不定式的省略