水随溶质重吸收的部位是
A．近端小管B．髓襻降支细段C．髓襻升支细段D．髓襻升支粗段E．远曲小管和集合管
参考答案：A
地壳中含量最多的非金属元素是（ ）
A．氧
B．硅
C．铝
D．铁
根据句意及首字母提示完成句子.
1. He w____ a letter to her aunt last night.
2. Henry doesn't want to do a____ because he is tired.
3. Jenny s____ next to Nancy and talked to her for a long time yesterday aftemoon.
4. Do you e____ your weekend at school?
5. My weekend was g____．
6. My uncle v____ my grandmother yesterday.
7. I often see talk s____ on Friday evening.
8. How do you s____ your weekend?
9. G_____ is my favorite subject.
10. I s____ Tony go shopping with his parents yesterday.
