温度觉传导通路上,第二级神经元在()。
A.前角细胞
B.后角细胞
C.薄束核和楔束核
D.丘脑
E.后根神经节
参考答案:B
The number of students in our school ____about 30,000 and ______them study hard.
A.is; a large amount of
B.are ; a number of
C.are ; large amount of
D.is ; a large number of
《产业结构调整指导目录》由()三类目录组成。
A.鼓励
B.限制
C.淘汰
D.禁止
E.允许