心室肌细胞动作电位瓶套形成的离子基础是（） A.Na+内流，Cl-内流 B.Na+内

— Shall we go swimming or play badminton? 

— _____. They are both good ideas. [ ]

A. It makes no difference to me

B. That's all right

C. Yes, I like them very much

D. I'd prefer the former

How much is the yellow sweater?[ ]

A. One hundred yuan.

B. It's a fine day.

C. It's all right.

价格总水平变动的问接效应包括（）。

A．对实际工资的影响

B．对企业生产经营决策的影响

C．对汇率变动的影响

D．对收入分配结构的影响

E．对经济增长的影响

休闲经济

在Excel2010中，假定一个单元格所存入的公式为“=13*2+7”，则当该单元格处于编辑状态时显示的内容为（）。

A.=33

B.33

C.=13*2+7

D.13*2+7