题目内容

What is used to receive information for smart home?

A. Central processor unit
B. Integrated wiring
C. Network communication
D. Safety precaution technology

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The characteristics of a smart home can be as follows except____________.

A. safe
B. comfortable
C. noisy
D. efficient

公路运输的优点?

公路运输的缺点?{

公路运输的适用范围?{

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