题干
— The electric fan can ______ blow away the terrible smell in the room, can it?
— It's hard to say, but you may have a try.
A：hardly
B：easily
C：quickly
D：probably
答案(点此获取答案解析）
A
一步调整完善保障机制有关政策，加大投入力度，提高保障水平。国家的做法坚持了（ ）