The survival of historic interests as we know it is ______ threat.A、underB、upon

游客2023-11-10  20

问题 The survival of historic interests as we know it is ______ threat.

选项 A、under
B、upon
C、within
D、towards

答案 A

解析 习惯用法题。有些“介词+名词”表示被动含义,under+n.表示“正在…之中”,表示被动。
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