枕后位分娩，位置最低的是胎头的哪部分
A．前囟B．后囟C．额部D．颏部E．顶部
参考答案：E
After the war, a new school building was put up ________ there had once been a theatre.
A．that
B．where
C．which
D．when
在Windows2000中，跨距磁盘区可用由多个磁盘的可用空间集合而成，它最多可跨（）实体。
A.2
B.4
C.16
D.32
