一位外科手术前的病人，坐卧不安，眉头紧锁，小动作多，这一现象是（） A.应激的行为反

When my parrot is hungry, he _______ on the cage door. [ ]

A. sings

B. miaows

C. hides

D. knocks

用单词的适当形式填空。

1.  Class One beat Class Two in the football match. The students are very_______  (excite). 

     However, their teacher is ______ (excite) of them.

2.  Mrs. Zhang is telling an________ (excite)  story to us.

3.  Look! The children _______ (swim) at the pool.

4.  My father likes _______ (swim) in summer.

5.  He ______(swim) faster than his father.

6.  We ______(swim) in the swimming pool yesterday.

西晋陆机的（）是一部对后世有很大影响的文学理论专著。其中对修辞的方法、技巧也有较多的论述。

上图甲、乙分别是一个反射弧及其部分结构放大模式图，回答下列问题：

取指血进行化验，当针刺手指时，并未发生缩手反射，原因是该反射受到（）的控制。