脊髓前角运动神经元的轴突构成的纤维属于()
A.感受器
B.传入神经
C.效应器
D.传出神经
E.反射高级中枢
参考答案:D
小医生,下列各句均有一处错误,请找出并改正。
1. I Would like seeing them too.
_________________________
2. Thank you for to help me.
3. Look at the clouds. It rains.
4. We are going on a trip if it won't rain tomorrow.
5. Who have the biggest banana?
6. Do they free this Saturday?
梳棉机上,为了纤维转移的顺利进行,()之间必须保证一定的速比关系,并应根据所纺纤维长度不同而进行调整。
A.锡林~刺辊
B.锡林~道夫
C.锡林~道夫