请选择合适的词：“事实经过就是这样，我毫无yǐnhuì。（）

如果我们将“供给”Y₁与“需求”Y₂写成如下的联立方程的形式：

Y₁=α₁Y₂+β₁Z₁+u₁

Y₁=α₂Y₂+β₂Z₂+u₂

其中，Z₁，Z₂为外生变量。

A. Y/Y。—12

B. Y/△—11

C. △/Y—11

D. △/Y。—11

在刚体上任取两点P1和P2，两点的位置矢量分别为和，两点的速度矢量分别为和，利用刚体的性质，必有

A、0

B、

C、

D、

In the past,I always thought being a teacher was an easy job. But I changed my ___36___when I became a part-time teacher. About four years ago. Richard asked me if I could help teach his students how to ___37___a web site about themselves. I agreed to do it because computer is what I do well and I didn’tthink that teaching computer would be that ___38___ During the first few lessons,I tried my best to be friends with the students but in the end I knew that it didn’t really ___39 ___They tried to play with me all the time even when they were supposed to be learning. I didn’tmind ___40___they played with me after the lessons. But when they did it during the lesson, I wouldn’t be ___41___to teach them. My experience has helped me ___42___teachers more. Also it Has made me be a better teacher because I now know how teachers feel. If any of my ___43___teachers are reading this,I want to ___44___sorry if I sometimes played around in the class while you were teaching.I never thought how that would make you feel. I___45___I will do my best to be a good student in the future.

36、36（）

A.brain

B.heart

C.mind

D.sight

39（）A.differ 

B.develop

C.exist

D.work

40（）A.if 

B.how

C.where

D.why

42 （）A.bear 

B.notice

C.serve

D.understand

44（）A.talk 

B.tell

C.say

D.speak

45（）A.advice

B.promise

C.advise

D.suggest

38 （）A.hard 

B.simple

C.important

D.attractive

41（）A.sure 

B.able

C.liable

D.righ

43（）A.new 

B.past

C.future

D.current

37（）A.find 

B.link

C.make

D.repai

A. 血压回升

B. 尿量增多

C. 肢端温度上升

D. 皮肤颜色较红

E. 神志恢复清楚