中国家庭社会学比较规范化的学术研究起源于“五四运动”以后。
A. 错误
B. 正确
测控装置通信中断属于危急缺陷()
A. 正确
B. 错误
keepupspeedmeans()
A. keep as high speed as possible
B. reduce speed
C. adjust speed
D. maintain speed
Theterm“wilco”means()
A. I agree with you
B. I will comply with your instruction
C. that is correct.
D. roger