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【单选题】
如果要在一个圆的圆心写一个“A”字应使用( )对正方式。A.
中间
B.
中心
C.
对齐
D.
调整
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反馈参考答案：
举一反三
【简答题】中国共青团是广大青年在实践中学习 ()的学校,是党的() 。
【单选题】Which of the following statements represents the reason for rolling over a diesel engine with the cylinder indicator cocks open prior?
A.
To test the starting system
B.
To remove air bubbles from the jacket water
C.
To ensure that the lube oil system delivers pressure
D.
To ensure foreign material (water etc) is not present in the cylinders
【单选题】听力原文：W: What's the reason for the warning on every pack of cigarettes? I mean the note that says smoking is dangerous to health. Why does the manufacturer say so? M: It's the law here. They have to pr...
A.
People must give up cigarettes.
B.
A health warning on cigarette packs.
C.
The law doesn't allow people to smoke.
D.
Smoking can cause lung cancer.
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