【多选题】Which of the followings are safe topics to discuss?
D.
Sports and travelling.
【判断题】旅游设施包括旅游硬件设施和旅游软件设施。
【多选题】what topics are safe to talk about when meeting for the first time?
【简答题】What are the safe topics when you meet someone new?
【多选题】Which of the followings are safe topics to discuss?
C.
Sports and travelling.
【简答题】辣椒为()授粉作物,以()为主,但有一定的()。
【多选题】水泥砂浆试模的内表面应机械加工,其不平度应为每100mm不超过( ),组装后各相邻面的不垂直度不应超过( )。
【多选题】Safe topics include
D.
Arts and Entertainment
【判断题】Age belongs to "safe topics".