选择题:[交际用语]- Excuse me, I think there seems to be a mistake.- _________

题目内容:

[交际用语]- Excuse me, I think there seems to be a mistake. - _________

A Really? I'm sorry. Let me check it again. B I can't believe it C I'm sure there is no mistake D Impossible

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答案解析:

热继电器热元件中的双金属片是:()。A.膨胀系数不同的两种金属片B.导电性能不同的两种金属片C.密度不同的两种金属片D.厚度不同的两片金属片

热继电器热元件中的双金属片是:()。A.膨胀系数不同的两种金属片B.导电性能不同的两种金属片C.密度不同的两种金属片D.厚度不同的两片金属片

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[交际用语]- I bought this $200 skirt at a 25% discount.- _________A But I think it

[交际用语]- I bought this $200 skirt at a 25% discount.- _________A But I think it

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完全随机设计资料的方差分析,其组内自由度的计算公式是()。A.N-1B.k-1C.N-kD.N-k-1E.N-k+1

完全随机设计资料的方差分析,其组内自由度的计算公式是()。A.N-1B.k-1C.N-kD.N-k-1E.N-k+1

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[交际用语]- I think we had a very successful day. - _________A Nor did I. B I am w

[交际用语]- I think we had a very successful day. - _________A Nor did I. B I am w

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[交际用语]- I'm looking for a shirt for my father.- _________

[交际用语]- I'm looking for a shirt for my father.- _________

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