促进肾小球滤过的动力是
A．全身动脉压B．血浆胶体渗透压C．囊内压D．囊内液体胶体渗透压E．肾小球毛细血管血压
参考答案：E
-- _________.
--- Thank you. I certainly will.
A．Happy birthday to you.
B．let me help you with your maths
C．Don’t forget to post the letter
D．Please remember me to your family.
国际收支中的经常项目是由（）组成。
A、自主性交易
B、商品、劳务、收益和转移
C、贸易收支和国际储备
D、商品、劳务和投资
