调压室安全装置的放散管应高出调压室屋顶（）m
A.1
B.1.5
C.2
D.2.5
参考答案：B
In China, those who want to enter universities have to _______ the entrance exams in June.
A．check through
B．work through
C．look through
D．go through
产生房地产价格泡沫的直接诱因是（）。
A．土地稀缺
B．城市化进程快
C．投机需求膨胀
D．过度放贷
