2. 金融经济
  3. Carl Sagan believes that Venus might be colonized from earth because__________.A

Carl Sagan believes that Venus might be colonized from earth because__________.A

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问题 Carl Sagan believes that Venus might be colonized from earth because__________.
选项 A.it might be possible to change its atmosphere
B.its atmosphere is the same as the earth's
C.there is a good supply of water on Venus
D.the days on Venus are long enough
答案A
解析此题考查因果关系。由第二段第一句中的“it will be possible to change the atmosphere ofVenus and so create a new world”可知，so是表示因果的连接词，前因后果，所以正确答案为A。
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