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The train had left() Apce hurried to the railway station.A. afterB. asC. whileD. when..
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下列各项,不属于气血不足证常见脉象的是A、虚B、细C、涩D、.....
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要稳定输出电流,减小电路输入电阻应选用()负反馈。A、电压.....
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M7130平面磨床中,电磁吸盘退磁不好使工件取下困难,但退磁电.....
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What would a Japanese do when he feels annoyed?A.....
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The frightened children() a sound.A. dare not makeB. dare not to makeC. not dare make..
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