单选题
中国农业银行
2016-05-02
Carl Sagan believes that Venus might be colonized from earth because
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
参考答案
A
答案解析
【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 of Venus and 80 create a new world．”可知，S0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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