不属于导游语言运用四原则的是()。
A.生动
B.正确
C.平和
D.自然
参考答案:C
Having a trip abroad is certainly good for the old couple, but it remains ______ whether they will enjoy it.[ ]
A.to see
B.to be seen
C.seeing
D.seen
观察舌苔以辨别病邪深浅,主要依据是()
A、舌苔的有无
B、舌苔的厚度
C、苔色的黄白
D、舌苔的真假
E、舌苔的润燥