防治光污染的办法有()
A.采取个人防护,戴防护镜、防护面具;
B.加强灯光管理,完善立法;
C.改善环境照明,消除或减弱眩光的影响;
D.包括以上三方面。
参考答案:D
-I am often ill.
-________ [ ]
A. I think so.
B. That's OK.
C. Really? Thank you.
D. I am sorry to hear that.
连云港孔望山佛教画像石刻凿于东晋,是我国最早的佛教艺术石刻。( )