团队过程的主要范畴是（）。 A.沟通 B.影响 C.任务和维护的职能 D.决策、冲突

阅读理解。

     I am Cheng Hai. This is Mr. Read. He is English. He isn't an English teacher. But Mrs. Read is an

English teacher. Mrs. Read and I are both English teachers. We are good friends. We work in the No.4

Middle School. It' s a nice school.

1. My name is _____.

A. Mr. Read

B. Cheng Hai

C. Mrs. Read

D. you can't know

2. _____ isn't an English teacher. 

A. Cheng Hai

B. Mrs. Read

C. Mr. Read

D. A, B and C

3. Cheng Hai is _____.

A. Mr. Read' s teacher

B. Mrs. Read' s teacher

C. English

D. a teacher of English

4. Mr. Read is _____.

A. English

B. not English

C. Cheng Hai' s teacher

D. Chinese

5. _____ are good friends.

A. Mr. Read and Mrs. Read

B. Mr. Read and I

C. Mrs. Read and I

D. All of us

尿液标本作L型菌培养时，培养基中加入20%蔗糖的原因是

A．提供高营养

B．使尿中蛋白质变性

C．稀释尿液

D．保持高渗环境

E．中和尿液的酸度

生胶多数情况下在高温时发脆而在低温时发黏，均不表现出高弹性。

化合物Bilirubin在一定波长的光照射下发生分解反应，反应物尝试随反应时间变化如右图所示，计算反应4~8 min间的平均反应速率和推测反应16 min 反应物的浓度，结果应是

A. 2.5umol·L^-1·min-1和2.0umol·L^-1

B. 2.5umol·L^-1·min-1和2.5umol·L^-1

C 3.0umol·L^-1·min-1和3.0umol·L^-1

D 5.0umol·L^-1·min-1和3.0umol·L^-1

动物血型试剂