问题
多项选择题
甲状旁腺素（PTH）具有的作用（）.
A.影响肠道对磷的吸收
B.增强远曲小管对钙的重吸收
C.抑制近曲小管对磷的重吸收
D.促进小肠中钙的吸收
E.动员骨钙释放入血
答案
参考答案：B, C, D, E
搜题请搜索小程序“爱下问搜题”
甲状旁腺素（PTH）具有的作用（）.
A.影响肠道对磷的吸收
B.增强远曲小管对钙的重吸收
C.抑制近曲小管对磷的重吸收
D.促进小肠中钙的吸收
E.动员骨钙释放入血
参考答案：B, C, D, E
| 完形填空。 | ||||
| I'm Tom. I'm a student in a middle school. I'm glad to meet you here. First let me say 1 about my family. There are five people in my 2 : my father, my mother, my sister, my cousin brother and I. My father is an 3 worker. My mother is a teacher 4 English. My sister is eighteen and my cousin brother is sixteen. I'm fourteen. We 5 are in the same school. We all study hard. My home is at West Hill. There is a big river near our 6 . Behind it there is a hill. There is one big tree and some small 7 around our house. The big tree is a pear tree and the small trees are apple trees, 8 there aren't any pears or apples on them. 9 a photo of my house. In the photo, you can see three cats in my bedroom. One is white, 10 two are black and white. We like them very much. | ||||
|