右图为某化学反应的速率与时间的关系示意图。在t1时刻升高温度或_爱下问搜题

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问题选择题

右图为某化学反应的速率与时间的关系示意图。在t₁时刻升高温度或增大压强，速率的变化都符合示意图的反应是

答案

答案：B

根据图像可知，升高温度或增大压强平衡都向逆反应方向移动，所以正反应是体积增大的、放热的可逆反应，因此选项B正确，，答案选B。

完形填空

My name 1 Bill. I'm 2 English boy. I'm twelve. I'm a middle school student. Li Lei is my 3 . We're in the same class. Here is a photo 4 his family. Look, this is his 5 . He is a policeman. His 6 is a teacher of English. She is a good teacher. Li Lei has 7 sisters. 8 are twins(双胞胎). Their 9 are Fang Fang and Yuan Yuan. They have a cat. We are good 10 ,too.

( )1. A. am
( )2. A. a
( )3. A. brother
( )4. A. at
( )5. A. parents
( )6. A. parents
( )7. A. a
( )8. A. She
( )9. A. name
( )10.A. family

  B. is
  B. an
  B. cousin
  B. in
  B. mother
  B. mother
  B. one
  B. He
  B. names
  B. parents

C. are
C. \
C. friend
C. of
C. grandparents
C. grandparents
C. two
C. We
C. family names
C. friends

D. call
D. the
D. teacher
D. for
D. father
D. father
D. three
D. They
D. first name
D. names

单项选择题 B1型题

领导方式与群体心理气氛的相互关系的实验是什么理论的重要研究（）。

A.社会角色理论

B.符号互动理论

C.模仿与社会学习理论

D.社会交换理论

E.场论与群体动力学理论