2. 外语
  3. ______no gravity, there would be no air around the earth.

______no gravity, there would be no air around the earth.

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问题 ______no gravity, there would be no air around the earth.
选项 A、Were there
B、There were
C、Was there
D、There be
答案A
解析 本题考查的是省略了if的非真实条件句中虚拟语气的用法，这种情况下要用倒装结构，即正常语序：If there were no gravity，there would be no air around the earth变化为：Were there no gravity，there would be no air around the earth．条件句中用were而不用was。
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