He operates the new machine as if he ______ special training in it.

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问题 He operates the new machine as if he ______ special training in it.

选项 A、has received
B、had received
C、would receive
D、received

答案B

解析 考查状语从句中的虚拟语气。as if/though引导的虚拟语气,如果从句中谓语动词先于主句谓语动词的动作或状态发生,从句应用过去完成时,故选B。
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