CRH1做手动开/关门力的检测时,在平移阶段,车门的手动最大开/关门力应为()。
A.160N
B.180N
C.220N
D.250N
参考答案:A
When asked why he went there, he said he was sent there ________ for a space flight.
A.training
B.being trained
C.to have trained
D.to be trained
下列各项,不引起漏出液的疾病是()
A.重度营养不良
B.恶性肿瘤
C.肝硬化
D.慢性心功能不全
E.肾病综合征