某物质被肾小球自由滤过后，又全部被肾小管重吸收，其血浆清除率_爱下问搜题

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问题单项选择题

某物质被肾小球自由滤过后，又全部被肾小管重吸收，其血浆清除率

A．等于零

B．小于肾小球滤过率

C．等于肾小球滤过率

D．大于肾小球滤过率

答案

参考答案：A

写作题

假如你叫李明，最近你和你父母就“周末学生该不该与同学外出活动”进行了讨论。现在请你以Should teenagers go out with their friends on weekends? 为题，参照表内所提供的信息，写一篇英语短文。

Your parents'ideas	Your ideas
1. go over lessons	1.
2. have a good sleep	2.
3. help parents do housework	3.

Should teenagers go out with their friends on weekends?
Recently I've had a discussion with my parents about whether teenagers should go out with their friends on
weekends._______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

单项选择题

酸碱指示剂一般是（）。

A.盐；

B.强酸；

C.强碱；

D.弱酸或弱碱。