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【判断题】
可以使用万用表直流电压档准确测量市电电压A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】I am doing ____travle recetly ____trips a month
A.
many; several
B.
many; much
C.
a lot of; several
D.
a lot of; much
【简答题】When you travle abroad , you'd better use___ to pay.
【简答题】遇到粗俗无聊电话时
【单选题】In_____ the incoming air is directed upwards, pushing the exhaust gases before it and then the exhaust gases travle down.
A.
loop scavenging
B.
cross scavenging
C.
uniflow scavenging
D.
supercharging
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