人教版八年级下册三单元sectionB知识点总结课件.pptx

1、sectionBSection B1.invite v.邀请 n.invitation 邀请，请柬invite sb to+地点 邀请某人到某地invite sb to do sth 邀请某人做某事Eg.He invited me to his party yesterday 2.make/let sb do sth 使某人做某事stop to do sth 停下前一件事去做另一件事stop doing sth 停止正在做的事Eg.他很累，他想停下来去休息3.stress n.精神压力；重音 复数 stresses(各种压力)e.g.Different people have differen

2、t ways to deal with stressesstressed out(用作表语)紧张的,感到有压力的Whats the matter,you look stressed out.4.waste n.垃圾 v.浪费 a waste of 浪费Eg.Playing computer games is a waste of time waste time/money on sb/sthwaste time/money in doing sth Eg.You shouldnt waste time in playing adj.无用的，废弃的 waste paper/water/gas5.

3、take-taking-took How long does/did it take?物 It takes/took sb some time to do sth 物 cost(s)sb some money to do sth How much does it cost.?人 sb spend(s)time/money on sth 在某事、某物上花费金钱 spend time/money(in)doing sth spend time with sb 度过时间人 sb pays/paid money for sth 付钱 pay back 偿还 take in 吸收 take up(doi

4、ng)占据 开始从事 take place 发生、e.g.Great changes have taken place in my hometown in the past few years.6.in order(not)to+v原 “为了”=so thatEg.In order to catch the early bus,she got up early.7.Theres no need for sb to do sth 某人没必要做某事=Its not necessary for sb to do sth.=Its unnecessary for sb to do sth V实 sb

5、need to do sth 某人需要做某事 sth need doing sth=sth need to be done 某事需要被做 Eg.I need to repair my bike My bike needs reparing =My bike needs to be repaired 否定句：dont/doesnt/didnt need to do sth疑问句：do/does/did.need to do sth?-Yes do/does/did -No.V情 （只用于否定，疑问句）否定句 neednt do 疑问句-need/must+主语+do?-yes,must/no,.

6、neednt/dont have to neednt to do(错)8.It+be+名词(短语)+to do sth做某事是e.g.Its ones job to do sth.Its my pleasure to do sth Its ones turn to do sth It+be+adj+for sb to do sth 做某事对某人来说是 easy/hard/difficult/necessary/imprtant/impossible eg.It is difficult for me to get up early.It +be+adj+of sb to do sth 某人是(

7、人的品格)good/kind/nice/friendly/clever/(im)polite eg.Its kind of you to help me9.provide v.提供，供应provide sb with sth=provide sth for sbe.g.Our school provides us with a comfortble environment=?offer sb sth=offer sth to sb(主动)supply sb with sth=supply sth for/to sb 10.anyway adv 而且,不管怎样，尽管如此Eg.Anyway,we

8、should have a try11.depend on 依靠，依赖取决于，视.而定Eg.The little boy depends on his mother very muchEg.Our success depends on our effort It/that depends 那得看情况depend vi.依赖;依靠;信赖;决定于dependent adj 依赖的，依靠的independent adj 独立的，自主的dependence n.依赖，依靠;信任信赖independence n.独立Eg.He was afraid of losing his independence

9、12 on 短语turn on 打开 try on 试穿 carry on 继续 depend on 取决于 put on 穿上13.develop v.发展，壮大，培养；养成Eg.We should develop healthy eating habbits development n.发展；成长 with the development of 随着的发展 developed adj.发达的 developing adj 发展中的Eg America is a developed country and China is a developing country14.fairness n.

10、公正性，合理性 unfairness n.不公平 In fairness 说句公道话 fair adj 公正的 unfair adj 不公正的Its fair/unfair(for sb)to do sth 做某事是公平/不公平的Eg.its unfair to all the other students in the class15.do ones part in(doing)sth=try/do ones best to do sth尽自己努力做某事Eg.Policeman should do his part in protecting peopleplay a part in sth

11、/(doing sth)在中起作用take part in 意为“参加，参与（比赛或某活动)Eg.Books play an important part in our life.15.since 连词 因为，既然；自从以后(1)since引导原因状语从句=because“由于；因为”,Eg.Since he was lazy,he didnt finish his homework.He didnt come since he was busy.(2)since引导时间状语从句,“自从以后”常与现在完成时态连用 since+过去一个时间点(如具体的年、月、日期、钟点).e.g.I have

12、been here since 1989.since+一段时间+agoe.g.I have been here since five months ago.since+从句 Great changes have taken place since you left16.neighbor 可数名词，邻居 Eg.He and I are next-door neighborneighborhood 城区，街区（既指环境也指人）17.have no idea 不知道=dont knowEg.I have no idea what you mean=I dont know what you mean1

13、8.take care of 照顾，处理take care of=look after=care for好好照顾：take good care of/look after/care for.welltake care=be careful=look out小心，当心Eg.Take care that you dont drink too much19.as a result&as a result ofas a result（结果）+句子as a result of(由于，因为)+n/代=because ofeg.Bill was late as a result of the heavy s

14、nowBill got up late,as a result he was late for school.20.fall ill 生病 fall-felleg.What if I fall ill while Im away on holidayfall down(from)=fall off fall behind 落后fall asleep 入睡 fall into 掉入21.drop v.落下；放弃，停止 droppeddrop out of school辍学 n.滴，水珠a drop of water一滴水22.The+比较级+主+谓，the+比较级+主+谓 越.越Eg.The more she learns,the more she wants to leaveThe more we do for the people,the happier well be.你越细心，犯的错越少The more careful you are,the fewer mistakes youll make开车越仔细，越安全safeThe more carefully you drive,the safer youll beThe more you eat,the fatter youll be