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【单选题】
在乒乓球运动中,如果球拍作用于乒乓球上的力通过球心(推球),则球拍对球只有( )效应A.
转动
B.
移动
C.
变形
D.
A和B
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反馈参考答案：
举一反三
【简答题】Key-Term Exercise
【单选题】月经周期规则,末次月经2002.1.28,预产期应是
A.
2002-11-01
B.
2002-11-02
C.
2002-11-03
D.
2002-11-04
E.
2002-11-05
【单选题】It can be inferred from the passage that by the end of World War H, most Americans ______.
A.
were very rich
B.
lived in poverty
C.
had the good things on the first three levels
D.
did not own automobiles
【单选题】Which of the following is the best title for this passage?
A.
The H1N1 Virus: How Does It Behave?
B.
The H1N1 Pandemic: Is It More Severe?
C.
The H1N1 Pandemic: Is a second wave Possible?
D.
The H1N1 Pandemic: Who Is Most Likely to Be the Victim?
【简答题】During her Senate term, Hillary did quite well in key committees such as______.
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