—It's dangerous to swim in this river. .
—Yes, you are right. The government has people not to swim in it.
A:expected
B:allowed
C:warned
D:attracted
图中能反映北美洲自西向东地势起伏的剖面图是( )
当今社会,加强“家风”建设被再次提起。“家风”是什么?有人说,“家风”是老老实实做人,踏踏实实做事;有人说,“家风”是勤劳节俭;有人说,“家风”是做事要坚持不懈;有人说,“家风”是遇到困难不低头;有人说,“家风”是朴实诚恳;有人说,“家风”是要自强自立……运用所学知识请回答: