底线是不可逾越的警戒线、是事物质变的临界点。一旦突破底线,就会出现坏结果。“君子以思患而豫防之”,有备才能无患。这就是底线思维,其中蕴涵的哲学智慧有( ) ①矛盾双方在一定条件下可以向对立面转化 ②忧患意识是人们做事情取得成功的决定因素 ③应根据事物变化发展的规律提高活动的预见性 ④要把握事物质变的节点,防止质变的发生
As is known to all,________life in ________ modern world is easier in some ways than ________ life our grandparents lived.
After the warmingup exercises, the teacher told us ________way of long jump and gave us________example.
Next week there will be a basketball match between the ________ and the ________of our school.
He developed ________ deep interest in insects when he was at________age of 8.
—Could you tell me the way to________Johnson's,please? —Sorry,we don't have ________Johnson here in the village.