—Some wine ?—Thank you ________.I have to drive home.

题干

—Some wine ?
—Thank you ________.I have to drive home.

A：With pleasure

B：That would be nice

C：I would rather not

D：Just what I needed.

上一题下一题 0.0难度选择题更新时间:2018-10-09 01:10:15

C

如图是某学校食堂电水壶的铭牌和电路图，R为加热器．温控开关S处于闭合状态，加热器加热，当水沸腾后，会自动断开进入保温状态．气压为1标准大气压，加热器加热，当水沸腾后，会自动断开进入保温状态．气压为1标准大气压，加热器电阻值不变．c_水=4.2×10³J/（kg•℃）则：