一般爆破中作业人员不得随意减少炮孔,但在()中还不得随意增加炮孔。
A.井巷爆破
B.水下爆破
C.拆除爆破
参考答案:C
James took the magazines off the little table to make_______for the television.
A.room
B.area
C.field
D.position
It is not rare in_____ that people in ______ fifties are going to university for further education.
A.90s ; the
B.the 90s; /
C.90s; their
D.the 90s ; their