下列活动不属于实践活动的是（） A.学生学习文化知识 B.教师讲课 C.农民种田 D

After school, I often play sports _____ my friends. [ ]

A. and               

B. for                  

C. with                     

D. to

太平天国由强盛走向衰落的标志性事件是

A．北伐失利

B．天京内乱

C．安庆失陷

D．天京陷落

Government should build more hospitals to supply better care for people, and that means we need more

______ at the same time.[ ]

A. teachers

B. doctors

C. police

质量含汽率