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【判断题】
压缩机 V 带松动或过度磨损会造成系统噪声大。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】Apart from academic activities, what else will the foreign students do in this program? They will take ______ and short journeys in and around Beijing.
【单选题】What do the recent studies show according to the news?
A.
Human activities make the Earth warmer.
B.
Glaciers are melting faster.
C.
Stronger hurricanes are rising.
D.
Climate changes dramatically.
【单选题】What do children do at school?
A.
Receive their formal education.
B.
Take up activities such as sports and music.
C.
Develop their identities within peer groups.
D.
An the above.
【简答题】Besides academic activities, what else will the foreign students do in this program? They will take field tips and ______ in and around Beijing.
【简答题】What kind of person do you think Liu Xiang is when participating social activities according to this passage?
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