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关于根管钻的特点是A、螺刃较密B、穿进力强C、弹性较小D、带.....
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Try making one ________ at a time; eventually you will circulate in large groups.A ac..
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It is obvious that such uncomfortable feelings must affect people ________.A perverse..
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关于月经的临床表现,下列哪项错误A.月经周期从月经来潮第1.....
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The book shows the very interesting ________ between life now and life a hundred year..
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She is as ________ as a rabbit; she may even scream at the sight of a fly (苍蝇).A c..
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