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【单选题】
下列物系中为非胶体的是:A.
灭火泡沫
B.
珍珠
C.
雾
D.
空气
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反馈参考答案：
举一反三
【单选题】使用热熔胶进行粘接时,正确的说法是( )
A.
使用时，将热熔胶枪放在手边上，方便拿取。
B.
使用时，不能将热熔胶枪放在手边上，以免被烫伤。
C.
使用完毕后，只要关掉热熔胶枪的开关就可以了。
【单选题】.We waited and waited._________ we had been looking forward to.
A.
Then came the hour
B.
Then did the hour come
C.
The hour came
D.
The hour then came
【单选题】使用热熔胶进行粘接时,错误的说法是( )
A.
使用时，将热熔胶枪放在手边上，方便拿取。
B.
使用时，不能将热熔胶枪放在手边上，以免被烫伤。
C.
使用完毕后，一定要关掉热熔胶枪的开关，并拔出插头。
【简答题】We have a terrible school trip last weekend. Some students were late. Then we waited half an hour for the school bus, but it didn’t arrive. Finally, our teacher took us to take the subway. It took us ...
【单选题】他带我出去吃饭,等饭时却自顾自地查看他的电子邮件。
A.
He take meout for dinner and read his e-mail while we waited for our food.
B.
He takes me out for dinner and reads his e-mail while we waited for our food.
C.
He took me out for dinner and read his e-mail while we waited for our food.
D.
He will take me out for dinner and read his e-mail while we waited for our food.
【单选题】We waited and waited. ____ we had been looking forward to. [ ]
A.
Then came the moment
B.
Then did the moment come
C.
The moment then came
D.
Then was coming the moment
【单选题】In the following sentence, which is the dependent clause? We played a game while we waited, and then we had dinner.
A.
We played
B.
then we had dinner
C.
while we waited
D.
a game
【单选题】We waited and waited until the wind ____________ and then we started with our trip again.
A.
died away
B.
died out
C.
died down
D.
died off
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