导游人员无论是在导游讲解中还是在同旅游者的日常交往中，其语言都要体现美的要求。
参考答案：对
用括号内单词的适当形式填空。
1. The children are very _____ (excite) when they get a lot of presents.
2. There are so many _____ (build) that I can't find the right place.
3. My shoes are _____ (wear) out.
4. Congratulations on crossing the channel _____ (success)!
5. He's _____ (see) the film many times before.
常用不锈钢有铁素体不锈钢、奥氏体不锈钢、马氏体不锈钢和（）
A.铁素体-奥氏体不锈钢
B.马氏体-奥氏体不锈钢
C.莱氏体不锈钢
D.贝氏体不锈钢
