下列()应设置辅助隔爆棚。
A、采煤工作面进回风巷
B、相邻煤层运输石门
C、采区间集中运输大巷
D、主要运输大巷
参考答案:A
—Can Jeremy Lin lead New York Knicks to win the next game?
—Out of the question now. He ______ to do so, but he has just hurt his leg.[ ]
A. would expect
B. has expected
C. was expected
D. is expected
善待实验动物,其核心有两条:一是(),二是提供舒适的生活条件。
A.避免所有伤害
B.避免不必要的伤害
C.减少不必要的伤害
D.降低伤害水平