起重吊运指挥信号中通用手势信号共有()种。
A、14
B、16
C、23
参考答案:A
Our Chinese teacher told us____interesting story and story was about Thomas Edison. [ ]
A. an,a
B. the, the
C. a, the
D. an, the
SLE中枢神经系统损害可表现为()
A.精神障碍
B.脑膜炎
C.脑炎
D.癫痫样抽搐