The boy _____ glasses keeps a certain distance to us.[ ]
A. in
B. wears
C. wore
D. with
答案:D
It matters little _______ a man dies, but ______ matters much is ________ he lives.
A.how; what; how
B.how; it; how
C.why; it; why
D.that; what; that
危险化学品安全管理,应当坚持的方针是什么?