题目内容

如口对口人工呼吸难以进行,可改为口对鼻人工呼吸。

A. 对
B. 错

查看答案
更多问题

The system needs to be______ operation for six months before it can be assessed.

A. on
B. in
C. for
D. under

Do youknowhow muchyouspendonclothesandgroceries______?

A. annul
B. annual
C. annually
D. annuity

_______English is quite different from written English.

A. Spoken
B. Speak
C. Spoke
D. Speaking

I regret_______ you that you can't pass the examination.

A. tell
B. telling
C. to tell
D. told

答案查题题库