搜题
王老师:19139051760(拨打)
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第1题

在减数分裂过程中，染色体数目减半发生在（）时期
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第2题

It took me quite a long time to _____ a new dress at the store A. pick up B. pick out C. take up D. take out
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第3题

The kids lay face down on the beach， their backs _________to the sun A. exposing B. exposed C. having exposed D. wer
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第4题

It.s one thing to make a promise ， but it is quite ______ to carry it out A. other thing B. the other C. others D. a
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