问题
单项选择题
水准仪上的水准器中,( )。
A.管水准器整平精度高于圆水准器
B.管水准器的整平精度低于圆水准器
C.长水准器用于粗平
D.圆水准器用于精平
答案
参考答案:A
水准仪上的水准器中,( )。
A.管水准器整平精度高于圆水准器
B.管水准器的整平精度低于圆水准器
C.长水准器用于粗平
D.圆水准器用于精平
参考答案:A
完形填空 (共10小题;每小题1分,计10分) Do you have a beautiful dream?I know almost everyone ___1____ his own dream in his life.The dreams are very important ___2_ them. The dreams can make them___3__ harder. I am studying in a school now. My dream is ___4___ a teacher in west China. Many children there want to go to school____5____they can't. Their families are poor and their parents don't have enough money___6___ their children to school. I think that going to school and studying is the only __7__to change their life. Teachers are greatly needed there, so I want to be a teacher to help them. I will be kind to my students and make __8___with them. I will give them love and teach them 9____ to be a useful person. I think it is an interesting job in the world. I hope my dream can ____10____!
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