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【判断题】
在工作过程中,当换向阀的两个气控口不能同时通气,否则会产生误动作。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Although there are a lot of difficulties on the way of brand development, Chinese enterprises will overcome them and achieve success at the end.
A.
Y
B.
N
C.
NG
【简答题】A．There are a lot of excitement and intrigue in his stories. B．People always keep up with the Joneses. C．People are richer than before and can afford the latest books. D．All of the above.
【单选题】Look! There are a lot of children on the playground. [ ]
A.
play
B.
playing
C.
to play
D.
are playing
【单选题】What's the woman's opinion about Cairo?
A.
There are a lot of interesting places to go.
B.
She likes it very much.
C.
Some of the places, though not many, are worth a visit.
【单选题】What can be inferred from this passage?
A.
There are a lot of people like Ron.
B.
There is few companies in this county.
C.
People in this county do not want to work.
D.
The county is far away from major business center.
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