题目内容

We know how to choose the worst trees in our woods to cut down.

查看答案

搜索结果不匹配？点我反馈

更多问题

At my house there is never enough work to do after school.

I remember the first time I saw a lamb born on our farm.

I'm comfortable seeing life and death on the farm.

调节心血管活动的基本中枢位于

A. 脊髓
B. 延髓
C. 脑桥
D. 中脑
E. 小脑