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王老师:19139051760(拨打)
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第1题

All students are required to translate this poem ________English into Chinese. 选择一项： A. with B. from C. on
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第2题

求函数z xy在适合附加条件 x y 1下的极大值
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第3题

I was giving a talk to a large group of people，the same talk I ___to half a dozen other groups before. 选择一项： A. wa
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第4题

Although he did not know London well, he made his way _____ to the airport. 选择一项： A. enough B. easily enough C
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