诚恳热情的态度是（）。
A.接待工作的起点
B.使来访者产生愉悦感
C.使来访者产生平等感
D.做好接待工作的首要条件
参考答案：A, B, C, D
Both of his parents died of illness so he support his family at the age of 14. [ ]
A. must
B. should
C. could
D. had to
When you study the local map, you'll find this town is ．
A．twice the size of that one
B．twice as a large town as that
C．twice as larger as that one
D．twice as larger a town as that
