英语一轮复习必修U2

1、话题话题1717农业技术农业技术 一、单词识记一、单词识记 1. _ n. 根；根源根；根源 2. _ n. 十年；十年期十年；十年期 3. _ n. 产量；输出产量；输出 4. _ n. 庄稼；农作物；产量庄稼；农作物；产量 5. _ n. 营养；滋养营养；滋养nutrition root decade output crop 6. _ n. 矿物；矿石矿物；矿石 7. _ n. 土壤土壤 8. _ v. 输出；出口输出；出口 9. _ vt. 使迷惑使迷惑 10. _ adj. 特级的特级的; 超级的超级的super mineral soil export confuse 11. _ ad

2、j. 化学的化学的 12. _ adv. 因此；所以因此；所以 13. _ vt. 使忙使忙 碌碌; 居住居住 _ n. 工作工作; 职业职业; 占领占领occupation nation national nationality occupy 二、单词拓展二、单词拓展 (A)单词派生单词派生 3. _ v. 生产；制造生产；制造 _ n. 产品产品 _ n. 生产；制造生产；制造 4. _ v. 发现发现 _ n. 发现；发觉发现；发觉 discovery produce product production discover 6._ v.使疑惑使疑惑, 使为难使为难 _ n. 疑惑疑惑,

3、困惑困惑 _ adj.疑惑的疑惑的, 难以理解的难以理解的 confuse confusion confused 5. _ vt. 减少；减缩减少；减缩 _ n. 减少；减缩减少；减缩 reduce reduction (B)灵活运用灵活运用 1. Your question really made me _ (confuse). 2. He said the earthquake could lead to a _ (reduce) in steel exports from Japan. 冠词后用名词冠词后用名词 confused reduction 形容词作宾补形容词作宾补 3. The

4、 _ (discover) of a childs body in this river has shocked the community. 4. What is your _ (nation)? 名词作表语名词作表语, nationality“国籍国籍” 5. His _ (occupy) is teaching in a primary school. 名词作主语名词作主语 discovery nationality occupation 名词作主语名词作主语 1. _摆脱摆脱; 除去除去 2. _幸亏幸亏; 由于由于; 因为因为 3. _ 对对感到满意感到满意 4. _ 宁愿宁愿; 宁

5、可宁可 三、短语翻译三、短语翻译 would rather rid .of thanks to be satisfied with 5. _ 使使免受免受(影影 响、伤害响、伤害) 6. _导致导致; 造成造成(后果后果) 7. _ 集中集中(注意力、精力注意力、精力)于于 8. _逐渐增强逐渐增强; 建立建立; 开发开发 build up keep .free from/of lead to focus on 9._过着过着生活生活 10._富含富含 11._另外另外 12._根据根据, 按照按照according to lead alife be rich in in addition 四

6、、课文回顾四、课文回顾 Dr. Yuan was born in Beijing in 1930.1_ he graduated from Southwest Agriculture College in 1953， he has devoted 2_ life 3 _ finding ways to grow more and more rice. As a young man, he saw the great need for increasing the rice output. At that time,hunger was 4_ serious problem in many pa

7、rts of the country. Since his to a Dr. Yuan searched for a way 5_ (increase)rice harvests without expanding the area of fields. In 1950，Chinese farmers could only produce fifty million tons of rice. Last year，however, 6_ (near) two hundred million tons of rice 7_ (produce). These increased harvests

8、mean 8_ 22% of the worlds people are fed from just 7% of the farmland in China. to increase nearly was produced that Dr. Yuan is now circulating his 9_ (know)in India， Vietnam and other less developed countries to increase their rice harvests. Thanks to his research， the UN is trying to rid the worl

9、d 10_ hunger. Using his hybrid rice farmers are producing harvests twice as large as before. knowledge of 五、课文概要五、课文概要 以约以约30个词概括课个词概括课 文内容要点。文内容要点。 Yuan Longping, an agricultural pioneer， regards himself as an ordinary farmer and has been working for five decades to produce super hybrid rice， which

10、 has proved very successful and is spread worldwide. 原句原句 Indeed, his sunburnt face and arms and his slim, strong body are just like those of millions of Chinese farmers, for whom he has struggled for the past five decades. 的确的确, 他那被太阳晒得黝黑的他那被太阳晒得黝黑的 脸庞和手臂脸庞和手臂, 以及他那消瘦而结实的身躯以及他那消瘦而结实的身躯, 就就 跟其他千百万中国

11、农民一样跟其他千百万中国农民一样, 过去过去50年来年来,他他 一直在帮助他们一直在帮助他们。(B4P10) 1. struggle vt. 从从中解脱中解脱 be/get rid of 摆脱摆脱; 除除 掉掉 运用运用 填入一个恰当词完成句子。填入一个恰当词完成句子。 They rid the house _ old furniture. Paul finally rid _ (摆脱了债务摆脱了债务). We must _ (处理掉处理掉) these old newspapers. get rid of of himself of debt 原句原句 Dr Yuan is quite sa

12、tisfied with his life. 袁博士对他的生活非常袁博士对他的生活非常 满意。满意。(B4P10) 例句例句 The teacher is quite satisfied with what the boy has answered. 老老 师对这个男孩的答案很满意。师对这个男孩的答案很满意。 3. be satisfied with 对对感到满意感到满意 运用运用 根据汉语意思完成句子。根据汉语意思完成句子。 她从来不满足于现状。她从来不满足于现状。 Shes never _ the present situation. 你对他的解释满意吗你对他的解释满意吗? Are you

13、 _ _? satisfied with explanation satisfied with his 原句原句 He would much rather keep time for his hobbies. 他宁愿把时间他宁愿把时间 花在自己的业余爱好上。花在自己的业余爱好上。(B4P10) 例句例句 I would rather stay at home on Sundays.我宁愿星期天呆在家里。我宁愿星期天呆在家里。 4. would rather (do sth.) 宁愿宁愿, 宁可宁可 (做某事做某事) 搭配搭配 would rather not do sth.宁愿不宁愿不 做某事

14、做某事 would rather sb. did sth. 宁愿某宁愿某 人做某事人做某事 would rather do A than do B宁宁 愿做愿做A事也不做事也不做B事事 would do A rather than do B宁宁 愿做愿做A事也不做事也不做B事事 运用运用 用所给词的正确形式完成句子。用所给词的正确形式完成句子。 I would rather_ (go) with you than _ (stay) by myself. I would rather you_ (go) to the cinema now. went go stay I would rather

15、 you _ (come) tomorrow. I would rather fail than _ (cheat) in the examination. cheat came 原句原句 Many of these chemicals can lead to cancer or other illnesses. 很多化学物质能导致癌症和其它疾很多化学物质能导致癌症和其它疾 病。病。(B4P14) 例句例句 His careless driving led to this terrible accident. 他的粗心驾驶他的粗心驾驶 导致了这次严重的事故。导致了这次严重的事故。 5. lea

16、d to 导致导致, 通往通往 (to是介词是介词) 联想联想 look forward to 盼望盼望 pay attention to 注意注意 stick to 坚持坚持 devote to 贡献，致力于贡献，致力于 turn to 转向转向 refer to 查阅，涉及，指的是查阅，涉及，指的是 add to 增加，增添增加，增添 运用运用 根据汉语意思完成句子。根据汉语意思完成句子。 This road _ (通向通向)that mountain village. Einstein did many experiments， _ (使他得出了这个结论使他得出了这个结论). which

17、 led him to this conclusion leads to 原句原句 Thanks to his research, the UN has more tools in the battle to rid the world of hunger. 由于他的研究由于他的研究, 联合国联合国 在消除世界饥饿的战斗中有了更多的方在消除世界饥饿的战斗中有了更多的方 法。法。(B4P10) 例句例句 Thanks to your support, we won the match.由于你的支持由于你的支持, 我们赢得了这我们赢得了这 场比赛。场比赛。 6. thanks to 幸亏幸亏; 由

18、于由于; 因为因为(=because of) 运用运用 根据汉语意思完成英文句子。根据汉语意思完成英文句子。 由于校长的努力由于校长的努力, 我现在又能回学校我现在又能回学校 上学了。上学了。 _ , I can go back to school now. 由于天气很糟糕由于天气很糟糕, 露天表演取消了。露天表演取消了。 _, the open-air show was cancelled. Thanks to the headmasters efforts Thanks to the bad weather 原句原句 This special strain of rice makes it

19、 possible to produce one third more of the crop in the same fields.这种特殊的稻种使得同样的田这种特殊的稻种使得同样的田 地多收获三分之一的产量。地多收获三分之一的产量。(B4, P10) 1. make it possible (for sb.) to do使使 (某人某人)做某事成为可能做某事成为可能 例句例句 The Internet has made it possible for us to get more information in much less time. 因特网已经使我们用更少的因特网已经使我们用更少的

20、 时间获得更多的信息成为可时间获得更多的信息成为可 能。能。 仿写仿写 根据汉语意思完成英文句子。根据汉语意思完成英文句子。 这些新技术将使得从废弃物中这些新技术将使得从废弃物中 回收可用之物成为可能。回收可用之物成为可能。 The new techniques _ _recover usable things from waste. possible to will make it 过去的几十年过去的几十年, 先进的医疗技术先进的医疗技术 已经使得人们比过去活得更长成为已经使得人们比过去活得更长成为 可能。可能。 In the last decades, advances in medica

21、l technology _ _ _than in the past. it possible for people to live longer have made 原句原句 Using his hybrid rice farmers are producing harvests twice as large as before.用他的杂交水稻种子用他的杂交水稻种子, 农民们种农民们种 出比以前多一倍的粮食。出比以前多一倍的粮食。(B4, P10) 2. 倍数词倍数词+as+原级原级+as. 是是的多少倍的多少倍 例句例句 The new building is three times as

22、 tall as the old one. 新大楼是旧大楼的三新大楼是旧大楼的三 倍高。倍高。 说明说明 英语中常用的倍数表达法还有：英语中常用的倍数表达法还有： 倍数倍数+形容词形容词/副词的比较级副词的比较级 +than. 倍数倍数+the+名词名词(length, width, height, size )+of. 仿写仿写 用三种表达方式翻译下句子。用三种表达方式翻译下句子。 这根绳子是那根的三倍长。这根绳子是那根的三倍长。 This rope is _that. This rope is_ that. This rope is _ that. three times the leng

23、th of twice longer than three times as long as 原句原句 It seems a strange name since all crops are organic no matter how they are produced.这个名字看这个名字看 起来很奇怪起来很奇怪, 因为不管怎样种植因为不管怎样种植, 农农 作物都是有机的。作物都是有机的。(L1, P13) 3. no matter what . 不管不管/不论不论 (后接状语从句后接状语从句) 例句例句 We will go to see the movie no matter how ha

24、rd it rains. 无论雨无论雨 下的多大下的多大, 我们都要去看电影我们都要去看电影。 仿写仿写 根据汉语意思完成英文句子根据汉语意思完成英文句子。 不管做什么事不管做什么事, 你都必须非常细心你都必须非常细心。 _, you must be very careful. No matter what you do 不论你选择哪一个不论你选择哪一个, 你都会满意的你都会满意的。 _, you will be satisfied. 不管你说什么不管你说什么, 我都喜欢听我都喜欢听。 _, I like to listen. No matter what you say No matter

25、which you choose 4. keep.free from/of使使免受免受 ( (影响、伤害等影响、伤害等) ) 原句原句 They focus on keeping their soil rich and free of disease. 农民关农民关 心的是保持土壤肥沃并且免受病害。心的是保持土壤肥沃并且免受病害。 (B4P14) 例句例句 Eating well and good exercise keep you free from/ of cold.良好的饮食和适度的良好的饮食和适度的 锻炼使你远离感冒。锻炼使你远离感冒。 运用运用 根据汉语意思完成英文句子根据汉语意思完

26、成英文句子。 我们把书放进书柜以避免落上灰尘我们把书放进书柜以避免落上灰尘。 We put our books in a bookcase _. 我们必须尽力使这条河流免受污染我们必须尽力使这条河流免受污染。 We must try our best _ _. to keep them free from dust river free from pollution to keep the 原句原句 Indeed, his sunburnt face and arms and his slim, strong body are just like those of millions of Ch

27、inese farmers, for whom he has struggled for the past five decades. 的确，他的确，他 那被太阳晒得黝黑的脸庞和手臂，那被太阳晒得黝黑的脸庞和手臂， 以及他那瘦削而又结实的身体就跟以及他那瘦削而又结实的身体就跟 过去五十年他一直在帮助的千百万过去五十年他一直在帮助的千百万 的中国农民一样。的中国农民一样。(P10 B4) 分析分析 句中句中for whom引导的是非限引导的是非限 制性定语从句，先行词是制性定语从句，先行词是_ _，相当于，相当于and he has struggled for Chinese farmers f

28、or the past five decades。 注意注意 “in /for the past or last +时时 间段间段”常与常与_时态连用。时态连用。现在完成现在完成 farmers Chinese 1.我的同学刘清以前我的同学刘清以前宁愿宁愿上课睡觉上课睡觉也不也不 愿愿听老师讲课。听老师讲课。 1. For a time, my classmate Liu Qing would rather sleep in class than listen to the teacher. 2. 无论他怎么无论他怎么努力努力, 他都无法他都无法把精力放把精力放 在在学习上。学习上。 2. N

29、o matter how hard he worked, he couldnt focus his mind on his studies. 3. 听懂老师的课听懂老师的课是不可能的是不可能的。 3. It was impossible for him to understand the teachers. 4. 他的这个习惯他的这个习惯导致导致了他考试不及格。了他考试不及格。 4. This habit led to his failure in the exams. 5. 为了为了使使自己自己免受免受父母的惩罚父母的惩罚, 他请求他请求 老师的帮助。老师的帮助。 To keep himse

30、lf free from his parents punishment, he went to his teachers for help. 6. 由于由于老师的帮助老师的帮助, 他终于他终于改掉改掉了这个了这个 坏习惯。坏习惯。 Thanks to the teachers help, he finally rid himself of this bad habit. 7. 老师老师对对他的改变很他的改变很满意满意。 7. The teacher was satisfied with his change. 8. 他现在的分数他现在的分数是是他原来的他原来的三倍三倍。 8. His mark

31、 now is three times as much as that of his past. 合并：合并： For a time, my classmate Liu Qing would rather sleep in class than listen to the teacher and no matter how hard he worked, he couldnt focus his mind on his studies. It was impossible for him to understand the teachers, which led to his failure

32、in the exams. To keep himself free from his parents punishment, he went to his teacher for help. Thanks to the teachers help, he finally rid himself of this bad habit. The teacher was satisfied with his change because his mark now is three times as much as that of his past. Earth is our only home in

33、 the universe. If we dont protect it from now on, we will have nowhere to go when the environment 1 _ (ruin). Look at what we have done 2 _ our land. 1. 由主语可知用被动语态。由主语可知用被动语态。 2. 根据前面的根据前面的done可知。可知。 is ruined to We let out so much exhaust gas 3 _ our atmosphere is no longer clear and healthy for br

34、eath. In many big cities, we can hardly see 4 _ bright blue sky. We use as many resources 5 _ we can find, and then turn 6 _ into rubbish. 3. 引导结果从句引导结果从句, 由前面的由前面的so可知。可知。 4. 不定冠词表示不定冠词表示“一片一片”。 5. 根据前面的根据前面的as many可知。可知。 6. 指代前面的指代前面的resources。 that a as them The rubbish is taking up more and more

35、 space in our planet. We also pollute water. Fishes and other living things 7 _ (suffer) due to our mistakes. Some died out, and others are dying out in future. All of us must do something 8 _ (protect) our earth. 7. 根据语境根据语境, 应用进行时态。应用进行时态。 8. 不定式作状语不定式作状语, 表目的。表目的。 are suffering to protect Take a

36、bus instead 9 _ private car; use goods that are made of recycled material. We can take many small steps in our 10 _ (day) life for the sake of our better future. 9. 由前面的由前面的instead可知。可知。 10. 形容词作定语。形容词作定语。 of daily 二、完形填空二、完形填空 Three of those rich men and their servants were 1 together on a road whe

37、n they came to a very 2 village. 1. A. standing B. running C. gathering D. travelling D 根据本句的根据本句的on a road when they came to可知。可知。 2. A. faraway B. poor C. different D. ancient B 由下一段的由下一段的The first could not stand seeing the poverty可推出可推出, poor 与与poverty是同根词复现。是同根词复现。 The first could not stand see

38、ing the poverty, so he took all the gold and jewels from his wagons (四轮马车四轮马车) and 3 them out among the 4 . 3. A. shared B. send C. picked D. found A 根据常识及后面的根据常识及后面的among the 4 可推出这里填可推出这里填 shared。 4. A. workers B. farmers C. villagers D. servants C 由前面的由前面的they came to a very 2 village可知。可知。 villa

39、ger与与village属同根词复现。属同根词复现。 He wished them all the best of luck, and he 5 . 5. A. cried B. stayed C. laughed D. left D 根据前面的临别祝福的话根据前面的临别祝福的话“He wished them all the best of luck”可知选可知选 left。 The first could not stand seeing the poverty, so he took all the gold and jewels from his wagons (四轮马车四轮马车) an

40、d 3 them out among the 4 . The second rich man, seeing the 6 situation, stopped for a short time and gave the villagers all his 7 and drink, since he could see that money would be of little 8 to them. 6. A. curious B. worrying C. dangerous D. puzzling B 根据上一段的根据上一段的seeing the poverty可推出。可推出。 worryin

41、g situation与与poverty是上下义复现。是上下义复现。 stopped for a short time and gave the villagers all his 7 and drink, since he could see that money would be of little 8 to them. He made sure that they each received their fair share and would have enough food to last for some time. 7. A. alcohol B. food C. bread D

42、. rice B 由下一句中的由下一句中的would have enough food可知。与可知。与 food是原词复现。是原词复现。 8. A. interest B. concern C. use D. attraction C 根据他给这些村民食物和饮品可判断出：他明白根据他给这些村民食物和饮品可判断出：他明白 钱对这些村民几乎无用。钱对这些村民几乎无用。 Three of those rich men and their servants weretogether on a road when they came to a very 2 village. The third rich

43、 man, on seeing such poverty, sped up and went straight through the 9 without stopping. 9. A. village B. land C. field D. road A 由前面的由前面的they came to a very 2 village可可 知。与知。与village是原词复现。是原词复现。 The two other rich men saw this from a distance and commented with each other how the third rich man lack

44、ed 10 . 10. A. experience B. exercise C. sympathy D. courage C 常识题。根据前面第三个富人的表现常识题。根据前面第三个富人的表现 (without stopping)，这两位富人认为他没有，这两位富人认为他没有 同情心同情心(sympathy)。 It was good that they themselves had been there to offer 11 . However, three days later, they 12 the third rich man, who was coming in the opposi

45、te direction. 11. A. advice B. help C. drink D. gold B 根据常识根据常识, 这两个富人为村民提供的都属于这两个富人为村民提供的都属于help。 12. A. welcomed B. accepted C. met D. persuaded C下文是他们所看见的情形下文是他们所看见的情形, 这里自然用这里自然用met, 否则否则 哪有下文呢？哪有下文呢？ He was still travelling 13 , but his wagons, instead of the gold and valuables they had been ca

46、rrying, were now full of farming tools and bags of 14 . He was rushing back to help them out of 15 . 13. A. happily B. safely C. slowly D. quickly D 根据上文的根据上文的The third rich mansped up以及本以及本 句中的句中的still可推出。可推出。 14. A. food B. jewels C. money D. seeds D 与与farming tools有关的只能是有关的只能是seeds。seeds和和 farmin

47、g tools词语同现。词语同现。 He was still travelling 13 , but his wagons, instead of the gold and valuables they had been carrying, were now full of farming tools and bags of 14 . He was rushing back to help them out of 15 . 15. A. poverty B. trouble C. curiosity D. question A本文的主题就是讲三个富人如何帮助村民脱贫本文的主题就是讲三个富人如何

48、帮助村民脱贫 (out of poverty)。与前面的。与前面的poverty是原词复现。是原词复现。 【助读词汇【助读词汇】 servant仆人仆人 comment评价评价 valuable贵重物品贵重物品 要求考生根据语境判断代词要求考生根据语境判断代词(this, that, it, they, them, one等等), 或代动词或代动词(do, does, did, do that等等)究竟指代什么。究竟指代什么。 1. What does the underlined phrase “ .” refer to? 三、阅读理解三、阅读理解 技巧点拨技巧点拨 判断指代内容判断指代内容

49、 2. What does the underlined word “they” refer to? 3. The underlined word “them” refers to_. 一般说来一般说来, 代词的指代内容大多在这代词的指代内容大多在这 一句的前、后句中一句的前、后句中(特别是前句特别是前句), 或者前几或者前几 个句子中个句子中, 有的甚至指代前一段话中的某个有的甚至指代前一段话中的某个 内容内容, 找到指代的内容后把它放在那个代词找到指代的内容后把它放在那个代词 的位置上的位置上, 看一看这句话是否合理看一看这句话是否合理, 与前后与前后 的内容是否一致的内容是否一致, 然后再判定它是否为正确然后再判定它是否为正确 答案。答案。 即时练习即时练习 A