The material______the apparatus is made is a good nonconductor of heat.A、with wh

游客2025-03-22 47

问题 The material______the apparatus is made is a good nonconductor of heat.

选项 A、with which
B、of which
C、from what
D、with what

答案 B

解析因为取决于从句中的made of，相当于the apparatus is made of the material…。be made ofsth．“由……做成的”。

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