We must prepare ourselves for the worst( )we are at a loss when meeting with difficulties.

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问题 We must prepare ourselves for the worst( )we are at a loss when meeting with difficulties.

选项 A、after
B、before
C、as
D、since

答案B

解析 句意:我们应该未雨绸缪,在损失发生之前做好最坏的打算。所以答
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