Only by ________(create)a clean environment can w truly encourage more tourists to come.
送食物进嘴时,要小口进食,两肘向内靠,不要向两边张开,以免碰到邻座。不要把盘里的菜拨到桌上,不要把汤泼翻。
A. 对
B. 错
This research paper focuses on _________(health) lifestyles for elderly people.
应等菜肴转到自已面前时,再动筷子,不要抢在邻座前面。
A. 对
B. 错