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单选题
_____
A
affected
B
depended
C
effected
D
effective
参考答案
参考解析
解析：
句意：所有的人类，自原始人到现代人，都受这三件事的影响。此处为被动语态，首先可排除D；depend不符合文意；affect和effect都可以表示影响，affect着重“影响”的动作，有时含有“对……产生不利影响”的意思；effect强调“造成”一种特殊的效果。因此A更符合题意。
句意：所有的人类，自原始人到现代人，都受这三件事的影响。此处为被动语态，首先可排除D；depend不符合文意；affect和effect都可以表示影响，affect着重“影响”的动作，有时含有“对……产生不利影响”的意思；effect强调“造成”一种特殊的效果。因此A更符合题意。
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