【判断题】大脑皮层,他们分别是运动语言中枢感觉语言中枢书写中枢阅读中枢
【简答题】D型继电半自动闭塞的闭塞电源采用( )24V电源 (填中文汉字)
【单选题】下列各元素原子的电子分布式写法正确的是_____。
B.
氮(1s)2(2s)2(2px)2(2py)1
D.
氧(1s)2(2s)2(2px)2(2py)1(2pz)1
【单选题】下列哪项是垄断市场的特点
D.
在长期中,由于新厂商进入市场,消除了无谓损失
【单选题】Busy as Tom is, exercise has always been______his work.
A.
as a part of his life much as
B.
as much a part of his life as
C.
as much as a part of his life
D.
so much a part of his life as