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【判断题】
单缝衍射时 ,在某一衍射方向上,若单缝处的波阵面可以分为7个半波带,则对应这一衍射方向与屏幕的交点处为暗条纹。
A.
正确
B.
错误
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参考答案：
举一反三
【判断题】我国现行宪法是2018年宪法。
A.
正确
B.
错误
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【简答题】repair the computer
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【简答题】朗读单词: repair computer serve customer teacher a little
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【判断题】我国现行宪法是1978年宪法。
A.
正确
B.
错误
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【单选题】Do you have any hobby _____?
A.
however
B.
whatever
C.
whichever
D.
whenever
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【简答题】英汉互译 repair computer
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【单选题】You'd better______how to repair computer.
A.
to learn
B.
learning
C.
learn
D.
learnt
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【简答题】A．To leave the room. B．To repair the computer by herself. C．To change a computer. D．To ask for help.
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【单选题】Whenever you a present, you should think about it from the receiver’s point of view.
A.
bought
B.
have bought
C.
will buy
D.
buy
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【单选题】Whenever you have questions in class, first you should _____ your hand , then _____and ask with the permission of the teacher.
A.
rise; raise
B.
raise; rise
C.
raise; raised
D.
rise; rose
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相关题目：
【判断题】我国现行宪法是2018年宪法。
A.
正确
B.
错误
查看完整题目与答案
【简答题】repair the computer
查看完整题目与答案
【简答题】朗读单词: repair computer serve customer teacher a little
查看完整题目与答案
【判断题】我国现行宪法是1978年宪法。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Do you have any hobby _____?
A.
however
B.
whatever
C.
whichever
D.
whenever
查看完整题目与答案
【简答题】英汉互译 repair computer
查看完整题目与答案
【单选题】You'd better______how to repair computer.
A.
to learn
B.
learning
C.
learn
D.
learnt
查看完整题目与答案
【简答题】A．To leave the room. B．To repair the computer by herself. C．To change a computer. D．To ask for help.
查看完整题目与答案
【单选题】Whenever you a present, you should think about it from the receiver’s point of view.
A.
bought
B.
have bought
C.
will buy
D.
buy
查看完整题目与答案
【单选题】Whenever you have questions in class, first you should _____ your hand , then _____and ask with the permission of the teacher.
A.
rise; raise
B.
raise; rise
C.
raise; raised
D.
rise; rose
查看完整题目与答案
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