Heat is always being transferred in one way or another, ______ there is any difference in temperature.

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问题 Heat is always being transferred in one way or another, ______ there is any difference in temperature.

选项 A、since
B、where
C、after
D、as soon as

答案B

解析 where在句中是连接副词,意为:“在……地方”。题句意为:“凡是有温差的地方,热都会以这样或那样的方式传导。”
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