九年级上册英语仁爱版第二单元T2知识点总结.doc

九年级上册仁爱版第二单元T2知识点总结T 21、 常用词组Cut down 砍到As a result 结果Change into 转换成，变成Stopfrom doing 阻止做某事Need to do 需要做某事In danger of 处在的危险之中Die out 灭绝None of 没有一个Walk on 步行Care for 关心In the beginning 起初Take away 拿走The greenhouse effect 温室效应2、 常用句型_ a result, a lot of rich land has changed _ desert.Trees can stop the wind from blowing the earth_.We shouldnt leave rubbish_.All these problems are very serious,_ we must do something now.3、 语法知识1. The wind is so strong.风大用strong来修饰。2. Changeinto=turninto 把变成3. Stopfrom doing sth Preventfrom doing sth Keepfrom doing sth4. Save v. 贮存，保存Save sb sth=save sth for sb 为某人保留Will you save me a seat in the bus?Save 节约，节省，避免（金钱，时间，精力等的）浪费Well save a lot of time if we go by bus.Save 救，拯救，挽救Save ones life 拯救某人的生命He saved his friends life inthe accident.5. Cut down 砍到，减少，缩短Cut out “用剪刀”剪下Cut in 插嘴，打断（谈话）Cut off 切断（电源，水）中断Cut up 切碎，剁碎6. Come to 想到，意识到；（数量）总计，总共的意思7. The importance of 的重要性8. It says that 此句型主语是事或物，用文字，数字等传达或表明信息It is said that 据说It is reported that 据报道It is well known that 众所周知It is believed that 人们相信9. Something useful adj修饰复合不定代词时，要放在所修饰词的后面，做后置定语。There is nothing interesting in todays newpaper.Somewhere warm nothing serious10. None 没有一个，没有一点儿 =3 两者都不用neitherNone 人/物 +of none of+n/代，谓语动词单复数形式均可No one, nobady人，做主语时，谓语动词用单数形式在简略答语中，no one用来回答who引导的问句。 None用来回答how many/how much11. Nobody=no one,可以与else连用，none则不可以None/nobody else knows about that.12. Everyone “大家，人人，每人”=everybody 做主语时，无谓语动词用单数Every one“从，每个人”时=everyone 指物Every one of “中的每一个”He ate every one of the apples. 他把每个苹果都吃了。13. Here and there 处处，到处14. Rise vi.升起；上升（主语自身移向较高的位置）Raise 举起，提起，抬起（主语发生的动作要作用于其他事物）Lift 举起，提起，向上升He raised his voice.The water in the river is rising slowly.He lifted the heavy box.15. While 然而，相当于but表对比 conj16. Refer to sb/sth 涉及，有关，提到17. Ple