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【简答题】
已知代码如下,则结果ns变量的值是( )。var s='The AAA is a good AAAA.'; var r=/A/; var ns=s.replace(r,'a'); A. The aAA is a good AAAA.' B. The aaa is a good aaaa.' C. The AAA is a good aAAA.' D. The aAA is a good aAAA.'
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【单选题】李萨如图形是测量频率的一种常用方法。根据所给的两个李萨如图形分别确定两个合成振动的频率比，左图的频率比‍【图片】, 右图的频率比【图片】 。【图片】【图片】【图片】
A.
3:4   ， 5:6
B.
3:5  ，  5:8
C.
4:3  ，  8:5
D.
3:4  ，  5:8
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【单选题】—Why should I correct it right now, Mum? It’s OK, I think. — Well, Honey, it will _______ trouble in the future.
A.
pass by
B.
refer to
C.
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D.
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【单选题】——Honey, this is a present for your birthday. ——Ah! A pair of shoes, a well-known brand—Nike! I think it must _______ comfortably.
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B.
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【单选题】Jimmy: I think honeybees are very useful insects. They make honey for us. Amy: ______ They also help the flowers grow into a fruit. Jimmy: But I don't like termites. I think they're disgusting. Amy: _...
A.
I love honey very much. Me too.
B.
That's a good point. I 'm not sure I agree with you.
C.
They never do the least harm to us. That's wrong.
D.
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【单选题】--Mum, I don’t think I am qualified enough to do this. --Honey, be confident! You should know it is ____ a man thinks of himself ___ really determines his fate.
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【简答题】—Mum, I don’t think I am qualified enough to do this． —Honey, be confident! You should know it is _____ a man thinks of himself … really determines his fate． A．that; that B．how; that C．what; that D．th...
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【单选题】李萨如图形是测量频率的一种常用方法。根据所给的两个李萨如图形分别确定两个合成振动的频率比，左图的频率比‍【图片】, 右图的频率比【图片】 。【图片】【图片】【图片】
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【简答题】—Mum, I don’t think I am qualified enough to do this． —Honey, be confident! You should know it is _____ a man thinks of himself … really determines his fate． A．that; that B．how; that C．what; that D．th...
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