Iwastakingapicturewith _________ camera.

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问题选择题

I was taking a picture with _________ camera.[ ]

A. Jenny

B. Jenny's

C. Jennys

D. Jennys'

答案

答案：B

单项选择题

链球菌属感染首选药物是（）

A.青霉素G

B.抗假单孢青霉素

C.克林霉素

D.链霉素

E.头孢唑啉

单项选择题

Changing rescuers while carrying out artificial respiration should be done（）.

A.without losing the rhythm of respiration

B.only with the help of two other people

C.by not stopping the respiration for more than 5 minutes

D.at ten-minute intervals