预计2020年前，我国将形成“三华”特高压同步电网主网架，东北、西北、南方电网通过（

Statistics show that men have _____ as women do for every mile they drive. [ ]

A. serious accidents as twice many    

B. twice as many serious accidents

C. twice serious accidents as many    

D. serious accidents as many twice

1岁小儿，抽搐为间歇性双侧强直性肌痉挛，呈“助产士手”，最可能为（）

A.小儿癫痫

B.婴儿痉挛

C.低钙血症

D.高热惊厥

E.重症感染

桥上UM71轨道电路怎样调整？

政治印象

（）表示需要多少比例的资本来覆盖在该组合的计划授信的风险。

A.行业盈亏系数

B.资本积累率

C.资本转换因子

D.指杠杆系数