大型对半平分套筒工件直径与长度尺寸较大,这类工件往往都是()毛坯,经平面加工后,合在一起装在车床上找正加工。
A.锻件
B.焊接件
C.铸造
D.整体
参考答案:C
I’m a Chinese boy. My name is Zhao Ming. I am in No. 34 Middle School. I am in Class 1.My English teacher is Mr. Wang. My Chinese teacher is Miss Wu. They(他们) are good teachers. I love them. I have a good friend. His name is Tom. He is an English boy. I love him, too.
根据短文内容,选择最佳答案。
小题1: Zhao Ming is a (an) ______ boy.
A. Japanese B. Chinese C. American
小题2:Zhao Ming is in _____ Middle School.
A. No. 43 B. No. 23 C. No. 34
小题3:Miss Wu and Mr. Wang are _______.
A. students B. teachers C. girls
小题4:Tom is Zhao Ming’s ______.
A. teacher B. friend C. classmate
小题5:Tom is a (an) ______ boy.
A. Chinese B. Japanese C. English
A.10:3
B.3:10
C.3:10
D.10:3