饭店员工在接待服务中,回答宾客问话时的礼貌用语属于()语。
A.迎送
B.应答
C.称呼
D.问候
参考答案:B
-Are you sure you can do well in today’s test?
-_____________ I’ve got everything ready.
A.I’m afraid not.
B.I think so.
C.I hope not.
D.It’s hard to say.
组合体相邻的表面可能形成();()和相切三种关系。