问题
选择题
Once out of the earth’s gravity, the astronaut is____ by the problem of weightlessness.
A．affected
B．effected
C．related
D．offered
答案
答案：A
句意为“一旦摆脱了地球吸引力，宇航员就受到失重问题的影响。”affect vt. 影响，与句意吻合。
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