— Do you think we should accept that off

题型:选择题

问题:

— Do you think we should accept that offer?
— Yes, we should, for we ____ such bad luck up till now, and time ____ out.
A. have had; is running
B. had; is running
C. have; has been run
D. have had; has been run
考点:现在完成时现在进行时
题型:选择题

下列不属于影响醛固酮分泌因素的是( )

A.血Na+浓度
B.血K+浓度
C.血Ca2+浓度
D.肾素-血管紧张素-醛固酮系统

题型:选择题

As the sea ice melts sooner each swimmer,polar bears are forced to come ashore earlier and face food shortages _____ they have stored enough fat to last them through the season.

A.before

B.unless

C.since

D.until

题型:选择题

大黄粉末显微鉴别特征是什么?

题型:选择题

决胜“三大战役”不包括()。

A.向极端贫困宣战,到2020年消除国家贫困线人口

B.向污染宣战,使主要污染物排放量与经济增长、城市化进程彻底脱钩

C.“国防战役”,加强中国的军事实力,提高科技水平

D.“创新战役”,为中国长期中高速增长提供强大动力

题型:选择题

非上市证券是指不能在市场上流通转让的证券。( )

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