在机械制图中图样比例是指()。
A.图距比实际
B.实际比图距
C.相同比例
D.扩大的比例
参考答案:A
________by the rising price of gas, many car owners use their cars less frequently. [ ]
A. Driven
B. Being driven
C. To drive
D. Having driven
患者女性,45岁,行胆总管切开取石、T管引流术后,T管引流液每天均在2000ml左右,提示()。
A.胆汁量过少
B.胆汁量正常
C.胆管下端梗阻
D.胆管上端梗阻
E.胆管中部梗阻