硬膜外血肿的好发部位在()脑动脉瘤的好发部位是()
A．额部
B．颞部
C．顶枕部
D．顶部
E．Willis环上
参考答案：B,E
We hoped to be able to move into our new house at the end of the month , but things didn’t as we expected .
A．work out
B．move out
C．carry out
D．get out
（）用于光纤通信系统中局端主干光缆的成端和分配。
A.DDF
B.其他三个选项都不对
C.ODF
D.MDF
