人教版八年级下册三单元sectionB知识点课件（PPT16张）

1、Section B,1. 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 hav

2、e different ways to deal with stresses stressed out(用作表语)紧张的,感到有压力的Whats the matter, you lookstressedout,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 /sth waste time/money in doing sth Eg.You shouldnt waste time in playing adj. 无用的，废弃的 waste

3、 paper/water/gas,5. 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

4、 back 偿还 take in 吸收 take up (doing)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 that Eg. 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

5、. =Its unnecessary for sb to do sth V实 sb 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

6、句） 否定句 neednt do 疑问句- need/must +主语+ do? - yes,must/no,.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.

7、It is difficult for me to get up early. It +be+ adj +of sb to do sth 某人是(人的品格) good/ kind/ nice/friendly/ clever/ (im)polite eg. Its kind of you to help me,9. provide v. 提供，供应 provide sb with sth= provide sth for sb e.g.Our school provides us with a comfortble environment=? offer sb sth =offer sth t

8、o 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 should have a try 11.depend on 依靠，依赖取决于，视.而定 Eg. The little boy depends on his mother very much Eg. 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 indepe

9、ndent 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,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 develope

10、d adj. 发达的 developing adj 发展中的 Eg America is a developed country and China is a developing country,14.fairness n. 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. itsunfairtoalltheotherstudentsintheclass 15.do ones part in (d

11、oing) sth=try/do ones best to do sth 尽自己努力做某事 Eg.Policeman should do his part in protecting people play a part in sth/(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

12、 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 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 left,16. neighbor 可数名词，邻居 Eg. He

13、 and I are next-door neighbor neighborhood 城区，街区（既指环境也指人） 17.have no idea 不知道=dont know Eg. I have no idea what you mean=I dont know what you mean 18.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.well take care=be careful=look out小心，当心 Eg. Take care

14、that you dont drink too much,19. as a result & as a result of as a result （结果）+句子 as a result of (由于，因为)+n/代=because of eg. Bill was late as a result of the heavy snow Bill got up late, as a result he was late for school. 20. fall ill 生病 fall-fell eg. What if I fall ill while Im away on holiday fall 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 dropped drop 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 wa