缝翼使用哪个液压系统压力()
A.绿和蓝系统
B.绿和黄系统
C.蓝和黄系统
参考答案:A
设y=x2-4x,则y>0的一个必要而不充分条件是( )
A.x<0
B.x<0或x>4
C.|x-1|>1
D.|x-2|>3
In relation to the Securities Law of China:
(b) state the legal liabilities of an issuer, a listed stock company and the relevant personnel for failing to disclose information, or disclosing false, misleading or omitted information. (6 marks)