The walls of the tunnel are designed to ______ heat.

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问题 The walls of the tunnel are designed to ______ heat.

选项 A、aggregate
B、dissipate
C、radiate
D、segregate

答案B

解析设计坑道墙面的时候考虑到了其散热性。本题是考查动词的词义辨析。aggregate“使聚集，使集合”；dissipate“消除，消散”；radiate“放射，发出(光和热)”：segregate“分离，分开”。

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大学英语六级

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