定量液压泵的理论排量决定于（）。 A.几何容积 B.容积系数 C.实际转速 D.角速 发布时间：2021-01-15 04:12 │ 来源：www.tikuol.com 题型：单项选择题 问题： 定量液压泵的理论排量决定于（）。A.几何容积B.容积系数C.实际转速D.角速度
题型：单项选择题 完形填空。 Yang Liwei was born in an ordinary family in Liaoning Province in 1965. he became a pilot (飞行员) of the Chinese Air Force in 1987. It 1 him five years to become a spaceman. Yang Liwei was 2 into space by China's Shenzhou Ⅴ spacecraft at 9 a.m. 3 October 15th, 2003. It moved around the 4 fourteen times. He came back 5 at 6:23 a.m. The next day, making China the 6 country to successfully send a person into space after the former Soviet Union (前苏联) 7 the USA. Yang Liwei returned to the earth after a 8 trip to space. In space, Yang not only recorded 9 he saw but also showed China's national flag and the United Nation's flag to the people who watch on TV at home. All of the Chinese people are 10 our first spaceman-Yang Liwei. ( )1. A. paid ( )2. A. sent up ( )3. A. for ( )4. A. moon ( )5. A. careful ( )6. A. first ( )7. A. and ( )8. A. 21 hour ( )9. A. nobody ( )10. A. proud of B. spend B. send off B. in B. earth B. quick B. second B. or B. 21-hour B. somebody B. full of C. took C. sent away C. at C. star C. slowly C. third C. but C. nothing C. nothing C. speak highly of D. cost D. sent for D. on D. ocean D. safely D. fourth D. then D. everything D. everything D. lose ourselves in 查看答案