权责发生制下，存货计算方法有()。A.估价法 B.存货流动法 C.衡量库存法 D.供

The joke told by Tom made us______, so our maths teacher couldn’t make himself______.

A．laugh; hearing

B．laugh; heard

C．laughing; hear

D．laughed; to be heard

句型转换。

1. The students are having a class meeting now. (用yesterday改写句子)

    The students _______ a class meeting yesterday.

2. I have two pencils in my pencil cases. (改成there be句型)

     _______ _______ two pencils in my pencil cases.

3. I want to see the lions because they are cute. (对画线部分提问)

     _______ _______ you want to see the lions?

4. She does her homework in the evening. (改为否定句)

    She _______ _______ her homework in the evening.

5. Let me tell you how to get to the library. (改为同义句)

    Let me tell you _______ _______ _______ the library.

与血药浓度无关的局麻药的不良反应（）

A.高敏性

B.变态反应

C.抽搐、惊厥

D.心脏抑制

E.血管扩张

在临床诊疗或开展以人为研究对象的医学研究时，首先应坚持（）。

A.知情同意原则

B.保守秘密原则

C.互相协作原则

D.诚实原则

E.公正原则

耙矸机行星轮、中心轮和减速器的小齿轮和齿厚磨损量超过（）就必须更换。