【单选题】The company had about 20 notebook computers but
A.
7. The company had about 20 notebook computers butonly one-third _______ used regularly. Now we have 60 working all daylong. (浙江) A.is
【简答题】对于电流继电器,当Mdc_______时,继电器动作;当Mdc_______时,继电器返回。
【判断题】当两种物品是替代品时,一种物品价格上升会引起另一种物品需求下降
【单选题】Jill: In my opinion, working at home is more efficient than working in an office. Mary: I’m afraid we just don’t see eye to eye on this. 23. It’s clear that Mary ___________ Jill.
【单选题】It’s clear that Mary ___________ Jill.
【单选题】MDC Company believes that its customers are satisfied because the company ______.
A.
gives them opportunities to order
B.
provides good service and quality
C.
guarantees the quickest delivery
D.
sends new catalogues to them
【单选题】颈椎侧位片上关于生理曲度及2~7颈椎, 连续而和谐的前凸弧线说法不正确的是:
B.
2~7颈椎呈连续而和谐的前凸弧线排列,由前到后共有四条