变速器在换档时，为避免自动脱档，必须装设自锁装置。
查看答案
If you want to help, you can get the information about the community service scheme from your school.
A. 对
B. 错
马斯洛需求理论应该属于人力资源发展的哪个阶段？
A. 经验管理阶段
B. 科学管理阶段
C. 人际关系阶
D. 行为管理阶段
E. 企业文化阶段
September is the ________ month of the year.
A. eighth
B. ninth
C. tenth
D. eleventh
The People's Republic of China was founded ____.
A. on October the first, 1949
B. in October the first ,1949
C. on October one, 1949
D. on October first one, 1949
微信支付 
支付宝支付