—People near the lake didn't allow them to________ a factory so as not to pollute the water.
留下“封侯非我意,但愿海波平”诗句,并平定东南沿海倭患的民族英雄是( )
More historical buildings in the old town will fall down________we try our best to protect them.
人体内各部分的运动是互相配合的,下列举例符合这种规律的是( )
①石灰石;②氢氧化铝;③消石灰;④稀硫酸;⑤氢氧化钠;⑥氢气