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The problem was so complicated that Mr. Smith had to______his brains.A、crackB、c
The problem was so complicated that Mr. Smith had to______his brains.A、crackB、c
游客
2025-03-20
29
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问题
The problem was so complicated that Mr. Smith had to______his brains.
选项
A、crack
B、check
C、rack
D、block
答案
C
解析
本题考固定搭配。rack one’s brains"绞尽脑汁",所以C为正确答案;crack"破裂,砸开,发出爆炸声";check"检查,核对";block"阻塞,封锁"。
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