新人教英语选修Units知识点复习实用教案

1、会计学1新人新人(xnrn)教英语选修教英语选修Units 知识点复习知识点复习第一页，共51页。Unit2 1.与一致与一致,相同相同(xin tn)2.反对反对3.沮丧沮丧4.使人开眼界使人开眼界5.生下生下6.回忆回忆,回顾回顾7.不久后不久后8.远离远离,远远不远远不9.使使复活复活10.不时不时,偶尔偶尔11.赞成赞成 12.注定注定,一定一定13.成功成功,有回报有回报14.尽管尽管15.满意满意Unit 1 1.人口有人口有2.似乎是似乎是,可能是可能是3.通过通过,借助借助(jizh)4.大多数的大多数的5.定居定居6.一小部分的一小部分的7.使人想起使人想起8.把把.与与混合

2、混合9.显然显然,似乎似乎10.出租出租11.与人合作与人合作12.许多许多13.包括包括,吸收吸收14.到到时候为止时候为止15.想要想要,感觉像感觉像短语短语(du(dunyny) )翻译：翻译：第1页/共51页第二页，共51页。Unit 1 1.人口人口(rnku)是是2.似乎是似乎是,可能是可能是3.通过通过,借助借助4.大多数的大多数的5.定居定居6.一小部分的一小部分的7.使人想起使人想起8.把把.与与混合混合9.显然，似乎显然，似乎10.出租出租11.与人合作与人合作12.许多许多13.包括包括,吸收到吸收到14.到到时候为止时候为止15.想要想要,感觉像感觉像have a po

3、pulation of It is likely /possible/probable thatby means of the majority of settle in /downa small percentage ofoccur to sb. /It occurs to sb. that.mix with /and It is apparent that for hire/rentteam up with a great many take in by the timefeel like第2页/共51页第三页，共51页。Unit2 1.与一致与一致,相同相同2.反对反对3.沮丧沮丧4.使

4、人开眼界使人开眼界5.生下生下6.回忆回忆,回顾回顾7.不久后不久后8.远离远离,远远不远远不9.使使复活复活10.不时不时(bsh),偶尔偶尔11.赞成赞成 12.注定注定,一定一定13.成功成功,有回报有回报14.尽管尽管15.满意满意be identical to /withobject to doing /have an objection to be cast downopen ones eyes to sth.give birth to look back on /to shortly after be a long way from doing bring back to lif

5、efrom time to timebe in favor of be bound to dopay off despite /in spite of with satisfaction /be satisfied/happy/pleased with第3页/共51页第四页，共51页。1.Your letter reminded me of those pleasant days when we worked together. I _ _ _those pleasant days when we worked together. 2. That he didnt attend the mee

6、ting surprised us. _ _ _ the meeting surprised us. 3. At the beginning， we had little support， but later on people began to support us. _ _ _， we had little support， but later on people began to support us._ _,we.looked back on/to His absence from To start withAt first 句型句型(j xn(j xn) )转换：转换：第4页/共51

7、页第五页，共51页。4. In this way, he has begun his own private telephone service. _ _ _,he has begun his own private telephone service. 5.George replaced Edward as captain.George _ _ _ _ Edward as captain.6. He is never discouraged by difficulties.He is never _ _ by difficulties.7.I do not doubt of your suc

8、cess._ _ _ _ that you will succeed. 8.Your advice is of great benefit to me .Your advice is _ _ _ me.By this meanstook the place of was in place of cast downThere is no doubt very beneficial to 第5页/共51页第六页，共51页。9. They seemed _ each other for a long time. A. knowing B. to know C. having known D. to

9、have known10. My uncle is considering _ his health. A. improve B. to improve C. improving D. to be improved 11.Can you tell me _? A. whom does this dictionary belong to B. whom this dictionary is belonged to C. whom this dictionary belongs to D. whom this dictionary is belonging to DCC选择题：选择题：第6页/共5

10、1页第七页，共51页。12.Im quite busy. I have a _ to do.Agreat many work Bgreat many things Clots of jobs Dmuch work13. It bothered me so much _ I might fail to pass the exam. A. while B. that C. if D. for14. When she opened the door, she found her father in bed _. A. dead B. to die C. died D. death15._ mista

11、kes and weaknesses, the robot did a great deal of good work. A. Despite B. In spite C. For D. Because ofBBAA第7页/共51页第八页，共51页。16.让人高兴让人高兴(goxng)的是，中秋节就快到了的是，中秋节就快到了.（delight ,approach)17.能预言能预言(yyn)人何时会死吗？人何时会死吗？( possible ,predict)18.不要不要(byo)让窗户一直这样坏着。让窗户一直这样坏着。(leave)19.我总是建议买一辆质量好的自行车。我总是建议买一辆质量好

12、的自行车。(recommend)20.这部电影值不值得再看一次没什么关系。这部电影值不值得再看一次没什么关系。(difference)句子翻译：句子翻译：第8页/共51页第九页，共51页。To our delight, the Mid-autumn Day is approaching .Is it possible to predict when one will die?I always recommend buying a bicycle of good quality.Dont leave the windows broken like this all the time.It mak

13、es no difference whether the film is worth seeing a second time.16.让人高兴让人高兴(goxng)的是，中秋节就快到了的是，中秋节就快到了.（delight ,approach)17.能预言能预言(yyn)人何时会死吗？人何时会死吗？( possible ,predict)18.不要让窗户不要让窗户(chung hu)一直这样坏着。一直这样坏着。(leave)19.我总是建议买一辆质量好的自行车。我总是建议买一辆质量好的自行车。(recommend)20.这部电影值不值得再看一次没什么关系。这部电影值不值得再看一次没什么关系。(

14、difference)第9页/共51页第十页，共51页。第10页/共51页第十一页，共51页。Unit 3Unit 31 1区分区分2 2经历完成经历完成(wn chng) (wn chng) 通过通过3.3.申请申请4.4.打电话，想起打电话，想起5.5.偶尔，有时偶尔，有时6.6.摆脱除去摆脱除去7.7.捡起接收接送捡起接收接送8.8.意料之中意料之中9.9.开始做，着手处理开始做，着手处理10.10.跳进跳进 投入投入 钻研钻研11.11.每次每次12.12.万一万一13.13.稍等稍等, ,坚持坚持Unit 4Unit 41.1.使人相信使人相信2.2.作记录作记录3.3.犹豫做某事犹

15、豫做某事4.4.伪装伪装5.5.要是要是又怎样？又怎样？6.6.误会误会7.7.冒充冒充8.8.结识结识(jish)(jish)某人某人9.9.惊讶地惊讶地10.10.顺从顺从11.11.一点也不一点也不12.12.几天前几天前13.13.需要需要短语短语(du(dunyny) )翻译：翻译：第11页/共51页第十二页，共51页。Unit 3Unit 31 1区分区分2 2经历完成经历完成 通过通过3.3.申请申请4.4.打电话打电话, ,想起想起5.5.偶尔偶尔, ,有时有时6.6.摆脱除去摆脱除去7.7.捡起捡起, ,接收接收, ,接送接送8.8.意料之中意料之中9.9.开始做开始做, ,

16、着手处理着手处理10.10.跳进跳进, ,投入投入, ,钻研钻研(zunyn)(zunyn)11.11.每次每次12.12.万一万一13.13.稍等稍等, ,坚持坚持distinguish from(and)in ones expectation in case (that)go throughapply forcall upnow and thenget rid ofpick upset out to dodive intoevery timehold/ hang on 第12页/共51页第十三页，共51页。Unit 4Unit 41.1.使人相信使人相信2.2.作记录作记录3.3.犹豫做某

17、事犹豫做某事4.4.伪装伪装5.5.要是要是(yo shi)(yo shi)又怎样？又怎样？6.6.误会误会7.7.冒充为冒充为8.8.结识某人结识某人9.9.惊讶地惊讶地10.10.顺从顺从11.11.一点也不一点也不12.12.几天前几天前13.13.需要需要convince sb. of sth./ to do /thatmake /take /set down noteshesitate to do sth.in disguiseWhat if ?be mistaken aboutpass off as make ones acquaintancein amazementbe resi

18、gned to (doing) sth.not a bit the other dayin need of 第13页/共51页第十四页，共51页。1. Those _ learn not only from books but also through practice will succeed. A. that B. who C. whose D. which2. There used to be a factory near the river,_?A. didnt there B. used there c. usednt it D. didnt it3. Our school is c

19、onsidering buying _computers. A. two others B. two other C. others two D. two more5. I dont want to eat because Im _ hungry. A. not a bit B. not a little C. a little D. a bit4.The moment she came back from work, she to clean the kitchen thoroughly.A. set aboutB. set out C. set off D. set upB BD DA A

20、B BA A第14页/共51页第十五页，共51页。6、_ in her most beautiful skirt, the girl tried to make herself at the party.A. Dressed; noticedB. Dressing; noticedC. Dressed; noticingD. Dressing; noticing 8In the early 1920s, thousands of people went to Australia to their fortune.A. seek B. take C. develop D. undertake9.

21、 John _ the office as he was passing, but Mary was out.A. called for B. called up C. called on D. called at10. The Asian Games, like the Olympics, take place_.A . every four year B .every fourth year C. each four years D. each fourth year7. Let s go swimming,_?A. will you B. dont we C. do we D. shal

22、l we A AA AB BD DD D第15页/共51页第十六页，共51页。11.He and I dont like this book. He doesnt like this book,_ _ I .12.What will happen if I dont follow your advice?_ _ I dont follow your advice? 13.Marry widened her eyes amazedly.Marry opened her eyes _ _ _.nor/neither dowide in amazement What if 句型句型(j xn(j x

23、n) )转换：转换：第16页/共51页第十七页，共51页。15.The guide has much acquaintance with Italian.14.He has experienced all sorts of difficulties and hardships.He has _ _ difficulties and hardships _ _ _.gone throughof all sorts/ kindsThe guide _ _ _ about Italian. a lot knows第17页/共51页第十八页，共51页。16.住在城市中心非常方便。住在城市中心非常方便。

24、(convenience)17.你误解他了，他没做错什么。你误解他了，他没做错什么。(mistake)18.要是我们把这幅图画移到那又会怎样呢？要是我们把这幅图画移到那又会怎样呢？ 你认为你认为(rnwi)会好看点吗？会好看点吗？ (What if )19.他犹豫了一会，然后直接走到柜台。他犹豫了一会，然后直接走到柜台。(hesitate)20.她有很多珍贵的价值她有很多珍贵的价值100万美元的古董。万美元的古董。 (antique, worth）句子句子(j zi)(j zi)翻译：翻译：第18页/共51页第十九页，共51页。It is a great convenience to live

25、 in the center of a city.You were mistaken about him, for he did nothing wrong.What if we move the picture over there? Do you think it will look better?He hesitated for a moment and then he went directly to the counter. She has many precious antiques which are worth over one million dollars.11.11.住在

26、城市中心非常住在城市中心非常(fichng)(fichng)方便。方便。(convenience)(convenience)12.12.你误解你误解(wji)(wji)他了，他没做错什么。他了，他没做错什么。(mistake)(mistake)13.13.要是我们把这幅图画要是我们把这幅图画(thu)(thu)移到那又会怎移到那又会怎样呢？样呢？ 你认为会好看点吗？你认为会好看点吗？(What if )(What if )14.14.他犹豫了一会，然后直接走到柜台。他犹豫了一会，然后直接走到柜台。(hesitate)(hesitate)15.15.她有很多珍贵的价值她有很多珍贵的价值10010

27、0万美元以上的古董。万美元以上的古董。(antique, worth）第19页/共51页第二十页，共51页。第20页/共51页第二十一页，共51页。1.1.得出结论得出结论2.2.带领某人参观带领某人参观3.3.吓走吓走4.4.你意思是指你意思是指吗？吗？5.5.以某种方式，以某种方式，不知怎么不知怎么(zn me)(zn me)地地6.6.但愿要是但愿要是就好了就好了7.7.向前看向前看, ,为将来打算为将来打算8.8.埋伏等待埋伏等待9.9.轻松地轻松地10.10.别无选择别无选择, ,只好只好11.11.值得做值得做12.12.打断打断短语短语(du(dunyny) )翻译：翻译：第21

28、页/共51页第二十二页，共51页。1.1.得出结论得出结论2.2.领某人参观领某人参观3.3.吓走吓走4.4.你意思你意思(y s)(y s)是是指指吗？吗？5.5.以某种方式，以某种方式，不知怎么地不知怎么地6.6.但愿要是但愿要是就好了就好了7.7.向前看向前看, ,为将来打算为将来打算8.8.埋伏等待埋伏等待9.9.轻松地轻松地10.10.别无选择别无选择, ,只好只好11.11.值得做值得做12.12.打断打断e to /draw/reach a conclusion2.show sb. Around3.scare away4.Do you mean to say ?5.somehow

29、6.If only7.look ahead8.lie in wait for9.with relief10.have no alternative but to do 11.be worthwhile to do be worth doing/be worthy to be done/of being done 12.interrupt/cut in /break in 第22页/共51页第二十三页，共51页。2.Next time you come here, _ drop in on me.A.must B.do C.does D.did B3.They woke up _ everyth

30、ing around _.A.found; changed B.finding; changed C.to find; changing D.to find; changed 4.Hurry up. Dont have the driver _ outside.A.waiting B.to wait C.waiting for D.wait for 1How often do you go to the library? _ .AAfter a whileBIn no timeCEvery few days DTwo times a monthC CA AB BB B选择题：选择题：第23页/

31、共51页第二十四页，共51页。5.Have you seen new bike? I put it here just now. Is it white one? A boy has ridden it away. Aa ; aBa; the Cthe; theDthe; a6.Im not feeling well in the stomach. I _ so much fried fish.Ashouldnt eatBmustnt have eatenCshouldnt have eatenDmustnt eat7._,I have to put it away and focus my

32、attention on study this week.A.However the story is amusing B.No matter amusing the story is C.However amusing the story is D.No matter how the story is amusing A AC CC C第24页/共51页第二十五页，共51页。8. _, the vitamin C in them will be destroyed. A. If cooking too long B. If vegetables are cooked too long C.

33、If cooked too long D. If being cooked too long9.The air_ voices of the children.Afilled with Bwas filled with Cwas full with Dfull of10.The students on duty _the window, locked the door and left. .Ashut Bshutted Cto shut DshuttingB BA AB B第25页/共51页第二十六页，共51页。11.Dont cut in while I am talking.12.His

34、carelessness led to the accident.The accident _ _ his carelessness.13.I dont live in that village any long.I _ _ live in that village.14.I paid a visit to my uncle some weeks ago.I _ _my uncle _ _ _ weeks ago.15.He hurried to the school, but he found it was Sunday.Dont _ _ while I am talking.He went

35、 to school in a hurry,_ _ _ it was Sunday.break in /interrupt meresulted from/lay in /arose fromused to called ona couple of only to find句型句型(j xn(j xn) )转换：转换：第26页/共51页第二十七页，共51页。16.16.我想你总是很乐意帮助别人。我想你总是很乐意帮助别人。(assume )(assume )17.17.不知怎么地，我就是不喜欢那个人。不知怎么地，我就是不喜欢那个人。(somehow)(somehow)18.18.要是我跟爱因斯坦

36、一样聪明就好了要是我跟爱因斯坦一样聪明就好了, ,我就不用为考试而我就不用为考试而担忧了。担忧了。(if only(if only）19.19.她看见妈妈和姨妈她看见妈妈和姨妈(ym)(ym)正准备在炉火上烤鹿肉和猪肉。正准备在炉火上烤鹿肉和猪肉。(prepare)(prepare)20.20.她默默地笑了她默默地笑了, ,走出洞穴去迎接朋友和邻居。走出洞穴去迎接朋友和邻居。(welcome)(welcome)句子句子(j zi)(j zi)翻译：翻译：第27页/共51页第二十八页，共51页。20.20.她默默地笑了她默默地笑了, ,走出洞穴去迎接走出洞穴去迎接(yngji)(yngji)朋友

37、和邻居。朋友和邻居。(welcome)(welcome)16.16.我想你总是很乐意我想你总是很乐意(ly)(ly)帮助别人。帮助别人。(assume )(assume )17.17.不知怎么地，我就是不喜欢不知怎么地，我就是不喜欢(x(x huan) huan)那个人。那个人。(somehow)(somehow)18.18.要是我跟爱因斯坦一样聪明就好了。要是我跟爱因斯坦一样聪明就好了。 (if only(if only）19.19.她能够看见妈妈和姨妈们在炉火上烤鹿肉和猪肉。她能够看见妈妈和姨妈们在炉火上烤鹿肉和猪肉。(prepare)(prepare)I assume you are a

38、lways ready to help others.Somehow , I dont like that person.If only I were as clever as Einstein.She saw her mum and aunts preparing the meat of deer and pig over the fire.She smiled to herself and went out of the cave to welcome her friends and neighbours.第28页/共51页第二十九页，共51页。Words Unit 13 第29页/共51

39、页第三十页，共51页。1. Thousands were killed or forced into _.（奴役）（奴役）2. The _ （大多数）（大多数）were religious men who came to teach the C _ （天主教的）（天主教的） religion to the natives.3. They came to work in the ship and _（飞（飞机）机）industry.4. People from different parts of the world still _（移民）（移民）to California.5. It is b

40、elieved that before long the _ （混合）（混合） of _ (国籍，民族国籍，民族(mnz)）will be so great that there will be so great that there will be no major _ （种族的）（种族的）or cultural groups, but simply a _ （混合物）（混合物）of many races and cultures.第30页/共51页第三十一页，共51页。6. _（明显（明显(mngxin)地）地）, hed been shocked when he saw a terrib

41、le accident in which a tram _ （滑下）（滑下）down the hill.7. Its also the place to catch the _. （渡轮）（渡轮）8. the history of Chinese _ （移民者）（移民者）9. Gardeners use it all the time to produce _（商业的）（商业的）quantities of plants.10. Cloning plants is _ （简单明了的）（简单明了的） but the cloning of animals is more complicated.11

42、. The _ （步骤）（步骤）is difficult to _. (着手，从事）。着手，从事）。12. The determination and patience of the scientists was rewarded with a _（突破）。（突破）。第31页/共51页第三十二页，共51页。13. Then came the _ (烦扰的烦扰的) news that Dolly had become seriously ill.14. Cloning scientists were _ _ (感到感到(gndo)沮丧的沮丧的) to find that Dolly was se

43、riously ill.15. Sadly the same _ (任意的，反复无常的任意的，反复无常的) fate affected other species.16. _ (总共总共) Dolly lived for six years.17. Dollys appearance raised a storm of _ （反对）（反对）and had a great impact on the _ （媒体）。（媒体）。18. raised _ (道德的）道德的）questions.19. Governments _ (禁止禁止) research into human cloning.20

44、. _ (积累积累) evidence of the abundant aid.第32页/共51页第三十三页，共51页。21. the ability to _ (抵抗抵抗) that disease 22. It is _ (仅仅地仅仅地) a dream.23. apply for a _ (专利专利)24. Here was a chance for me to _ (显示出显示出差别）差别）myself.25. There were _ (产品产品) that might help me.26. They _ (突然地突然地) disappeared into a _ （便利的）（便利

45、的） hole in the wall.27. In the _ (预料，预期预料，预期), the snakes would bite again.28. I _ (监控监控) the _ (消极消极(xioj)的，的，被动的被动的) snakes again.29. The _ (标准标准) are so strict.第33页/共51页第三十四页，共51页。30. Your claims are _（有效的）。（有效的）。31. You _ （申请）（申请） for a patent will be published 18 months later.32. So I have fill

46、ed in the form and _ (提交提交) my patent application with the Patent Office.33. Leave the _ _ (被踩出来被踩出来的路的路)34. _ _ the woods (一心一心(yxn)投入投入)35. electrical _ (电流电流)36. Bell was fully aware of the _ (重要重要性性) of his invention.37. Being very _ (稳固的稳固的)，it has proved invaluable in the design of bridges.38.

47、 He cant find out _ (实际的实际的) solution. 第34页/共51页第三十五页，共51页。Unit 13 Words 第35页/共51页第三十六页，共51页。1. Thousands were killed or forced into _.（奴役）（奴役）2. The _ （大多数）（大多数）were religious men who came to teach the C _ （天主教（天主教的）的） religion to the natives.3. They came to work in the ship and _（飞机）（飞机）industry.4

48、. People from different parts of the world still _（移民）（移民）to California.5. It is believed that before long the _ （混合）（混合） of _ (国籍国籍(guj)，民族），民族）will be so great that there will be so great that there will be no major _ （种族（种族的）的）or cultural groups, but simply a _ （混合物）（混合物）of many races and culture

49、s.slaverymajorityatholicaircraftimmigratemixnationalitiesracialmixture第36页/共51页第三十七页，共51页。6. _（明显地）（明显地）, hed been shocked when he saw a terrible accident in which a tram _ （滑下）（滑下）down the hill.7. Its also the place to catch the _. （渡轮（渡轮(dln)）8. the history of Chinese _ （移民者）（移民者）9. Gardeners use

50、it all the time to produce _（商业的）（商业的）quantities of plants.10. Cloning plants is _ （简单明了的）（简单明了的） but the cloning of animals is more complicated.11. The _ （步骤）（步骤）is difficult to _. (着手，从事）。着手，从事）。12. The determination and patience of the scientists was rewarded with a _（突破）。（突破）。Apparentlyslippedfe

51、rryimmigrantscommercialstraightforwardprocedureundertakebreakthrough第37页/共51页第三十八页，共51页。13. Then came the _ (烦扰的烦扰的) news that Dolly had become seriously ill.14. Cloning scientists were _ _ (感到沮丧的感到沮丧的) to find that Dolly was seriously ill.15. Sadly the same _ (任意的，反复无常的任意的，反复无常的) fate affected othe

52、r species.16. _ (总共总共) Dolly lived for six years.17. Dollys appearance raised a storm of _ （反对）（反对）and had a great impact on the _ （媒体）。（媒体）。18. raised _ (道德的）道德的）questions.19. Governments _ (禁止禁止(jnzh) research into human cloning.20. _ (积累积累) evidence of the abundant aid.disturbingcastdownarbitrary

53、Altogetherobjectionsmediamoralaccumulateforbade第38页/共51页第三十九页，共51页。21. the ability to _ (抵抗抵抗) that disease 22. It is _ (仅仅地仅仅地) a dream.23. apply for a _ (专利专利)24. Here was a chance for me to _ (显示出差显示出差别）别）myself.25. There were _ (产品产品) that might help me.26. They _ (突然地突然地) disappeared into a _ （

54、便利（便利(binl)的）的） hole in the wall.27. In the _ (预料，预期预料，预期), the snakes would bite again.28. I _ (监控监控) the _ (消极的，被动的消极的，被动的) snakes again.29. The _ (标准标准) are so strict.resistmerelypatentdistinguishproductsabruptlyconvenientexpectationmonitoredpassivecriteria第39页/共51页第四十页，共51页。30. Your claims are _

55、（有效（有效(yuxio)的）。的）。31. You _ （申请）（申请） for a patent will be published 18 months later.32. So I have filled in the form and _ (提交提交) my patent application with the Patent Office.33. Leave the _ _ (被踩出来被踩出来的路的路)34. _ _ the woods (一心投入一心投入)35. electrical _ (电流电流)36. Bell was fully aware of the _ (重要重要性性

56、) of his invention.37. Being very _ (稳固的稳固的)，it has proved invaluable in the design of bridges.38. He cant find out _ (实际的实际的) solution. validapplicationfiledbeatentrackdiveintocurrentimportancestablepractical第40页/共51页第四十一页，共51页。Words Unit 45 第41页/共51页第四十二页，共51页。1. The play by George Bernard Shaw is

57、 an _ （改（改编）编） of Greek story.2. A gentleman passes and _（犹豫（犹豫(yuy)）for a moment.3. Now, dont be _ (使人心烦的使人心烦的), there is a good girl.4. She is disappointed at the _ （结果）（结果）but thinks it is better than nothing.5. There you are and you come from the west end of London, if I am not _ (判断错误的判断错误的)6.

58、Simply phonetics studied and _ (归类归类) from peoples own speech.7. But they _ (背叛背叛) themselves every time they open their mouths.第42页/共51页第四十三页，共51页。8. The English that will _ (谴责谴责) her to the gutter to the end of her days.9. At an _ （大使的）（大使的）garden party10. I came to England to make your _ (结识，了解结

59、识，了解) .11.He carelessly threw a _ of (一把一把) money into her basket.12. He looked at the collected money in _.(惊愕惊愕(jng )地地)13. I can _（发音）（发音）twenty-four distinct vowels.14. She had to _ (妥协妥协)15. I had known about the _ （令人反感的（令人反感的) thing.16. But you cant _ （忽视）（忽视）it.第43页/共51页第四十四页，共51页。17. How ab

60、out beginning with the _（字母（字母表）表）. 18.Try a _ (试探性的试探性的) guess about it.19. I am sorry to _ (打断打断) you.20. So we think it is reasonable to _ (认为认为) they lived in these caves.21. It seemed that they have used _ (削削尖的尖的) tools to cut up the animals.22. After that they would have had to rub an _ (足够的足