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【判断题】
ΔU =Q+W对所有的热力学系统都成立。A.
正确
B.
错误
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【简答题】Now you’re a fool for helping. “I don’t want to get ” seems to have become a national motto. One summer I was driving from my hometown of Tahoe City, California to New Orleans, Louisiana. In the middl...
【简答题】乳牙开始脱落换恒牙的时间一般在：( ) A．6～7岁 B．7～8岁 C．8～9岁 D．3～5岁 E．4～5岁
【简答题】It c_____(花费)a lot of money.
【简答题】Now you’re a fool for helping. “I don’t want to get involved” seems to have become a national motto. One summer I was driving from my hometown of Tahoe City, California to New Orleans, Louisiana. In t...
【简答题】I didn't get it because it________ (花费) too much.
【简答题】It ____(花费) me longer than I thought it would.
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