导游语言要讲究灵活性，如对初访者，导游员要( )。
A．注意语言品味 B．热情洋溢C．导游语言力求通俗化 D．活泼流畅
参考答案：B
用所给词的适当形式填空
小题1:His mother made him __________( clean ) all the rooms in two hours.
小题2:A good _______________( begin ) makes half success（成功）.
小题3:Do you know the ________(high)of Yao Ming?
小题4:Summer may be the _____________ (good) time to swim in the river .
小题5:She writes_______(careful)enough．
小题6:Could you tell me how ______(get) to the hospital?
小题7:We spent a lot of time _____(do)our homework last night.
调控Ⅰ型超敏反应的是（）
A.巨噬细胞
B.T细胞
C.B细胞
D.NK细胞
E.嗜酸性粒细胞
