下列（）属于公 * * 品。
A.国防
B.住房
C.环境
D.食品
参考答案：A, C
—What a smart and hard-working boy he is!
—Right. ________ a possibility that he will win the first place in the competition.
A．This is
B．It remains
C．There seems
D．That appears
餐厅服务要协调好与厨房工作关系，应注意什么问题？
