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【多选题】
海运提供了大都元政权支撑了()。A.
漠北粮食供应
B.
南北交通
C.
官民消费
D.
文化交流
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反馈参考答案：
举一反三
【单选题】If only he___________quietly as the doctor instructed, he wouldn’t suffer so much now.
A.
lies
B.
lay
C.
should lie
D.
had lain
【单选题】If only he quietly as the doctor instructed, he would not suffer so much now.
A.
lies
B.
lay
C.
had lain
D.
should lie
【单选题】If only he ___ quietly as the doctor instructed, he would not suffer so much now.
A.
lays
B.
had laid
C.
had lain
D.
should lie
【单选题】If only he ____ quietly as the doctor instructed, he wouldnot suffer so much now.
A.
lies
B.
lay
C.
had lain
D.
should lies
【单选题】If only he _____ quietly as the doctor instructed, he would not suffer so much now.
A.
would lie
B.
lay
C.
had lain
D.
should lie
【单选题】男，56岁．劳累后心前区闷痛6年，近1周常因夜间胸痛而惊醒，发作时心电图特征为；Ⅱ、Ⅲ、AVF导联ST段呈单向曲线型上抬0.2mV，缓解后上抬消失，发作时最不宜用哪一个药物（）
A.
β受体阻滞剂
B.
开博通（卡托普利）
C.
硝酸甘油
D.
硝苯地平
E.
丹参制剂
【简答题】当间隙较小时,冲裁后因材料的弹性回复使落料件尺寸 ,冲孔件的孔径 。
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