2017届高考英语一轮复习指导课件：必修4 unit 2（新人教版）

　　必修四　Unit 2　Working the land

　　1. 课前自测 2. 课堂学案 词汇接龙

　　1. _______〔n. 饥饿；欲望 vt. & vi. (使)饥饿〕→_______ (adj. 饥饿的)

　　2. _______(n. 发现；发觉)→_______(vt. 发现；发觉)→_______(n. 发现者) 3. ______(n. 自由；自主)→_______(adj. 自由的；免费的)→_______(adv. 自由地；随意地 ) 4. _______(adj. 化学的；关于化学的)→_______(n. 化学)→_______(n. 化学家；药剂师) 5. _______(vt.& vi. 配备；装备)→_______(过去式/过去分词)→_______ (n. 设备；装备) 6. _______(n. 工作；职业；占领)→_______(vt. 使用；占领；使忙于)→_______ (adj. 使用中的；无空闲的) 7. ______(adj. 引起烦恼的；令人不安的)→_______(adj. 被烦扰的；精神失常的)→ _______(vt. 扰乱；打乱) 课前自测

　　Key:1. hunger; hungry　2. discovery; discover; discoverer　3. freedom; free; freely 4. chemical; chemistry; chemist　5. equip; equipped; equipment 6. occupation; occupy; occupied　7. disturbing; disturbed; disturb 词汇接龙

　　8. ________(vt. & vi. 输出；出口)→________(n. 输出；出品)→________(vt. 输入； 进口)→________(n. 进口；进口货；输入) 9. _______(vt. 使迷惑)→________(adj. 令人困惑不解的)→________(adj. 糊涂的；迷惑的)→________(n. 混乱；迷惑) 10. ________(n. 生产；制造)→________(vt. 生产；制造 n. 农产品)→________(n. 生产者；制造者；产地)→________(n. 产品；制品； 产物；结果)

　　Key:8. export; export; import; import 9. confuse; confusing; confused; confusion 10. production; produce; producer; product 词块互译 1. __________________

　　thanks to his research 2. 对他的生活非常满意

　　be quite satisfied ________ his life 3. 关注环境保护

　　________ the protection of the environment 4. 宁死不屈

　　would rather die ________ 5. 消除世界饥饿

　　rid the world ________ hunger 6. 导致癌症或其他的疾病

　　________ cancer or other illnesses 7. 创办一家成功的企业

　　build ________ a successful business 8. 使土壤不受化学物质毒害

　　keep soil ________ chemicals 9. __________________

　　work the land 10. __________________

　　struggle for a living Key: 1. 由于他的研究　2. with　3. focus on　4. than give in　5. of　6. lead to 7. up　8. free from　9. 耕种土地　10. 为了生计而努力 句型补全

　　1.

　　Indeed, his sunburnt face and arms and his slim, strong body are just like those of millions of Chinese farmers, ________ he has struggled for the past five decades. 的确，他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躯，就跟其他千百万中国农民一样。过去50年来，他一直在努力帮助他们。(“介词＋关系代词”引导的定语从句) 2.

　　Dr Yuan Longping grows ________ super hybrid rice. 袁隆平博士种植的是被称为“超级杂交水稻”的稻种。 (what引导的名词性从句) 3.

　　This special strain of rice ________ 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地多收获三分之一的产量成为可能。 (it作形式宾语) 4.

　　Dr Yuan searched for a way ________ rice harvests ________ the area of the fields. 袁博士要在不增加土地面积的基础上寻求增收稻谷的途径。(非谓语动词) 5.

　　Using his hybrid rice, farmers are producing harvests ________ before. 用他的杂交水稻种子，农民们种出的粮食比以前多了一倍。(倍数的表达法) Key: 1. for whom　2. what is called　3. makes it possible　4.

　　to increase; without expanding 5. twice as large as

　　课文回顾 Key: 1. finding　2. the　3. parts　4. to increase　5. could　6. however　7. that 8. developing　9. hunger　10. as

　　Yuan Longping was born in 1930. Since he graduated from Southwest Agricultural College in 1953, he has devoted his life to __1__ (find) ways to grow more and more rice. As a young man, he saw __2__ great need for increasing the rice output. At that time hunger was a serious problem in many __3__ (part) of the countryside. Yuan searched for a way __4__ (increase) rice harvests without expanding the areas of the fields. In 1950, Chinese farmers __5__ produce about 56 million tons of rice. In a recent harvest, __6__， nearly 200 million tons of rice were produced. These increased harvests mean

　　__7__ 22% of the world’s people are fed from just 7% of the farmland in the world. Yuan Longping is now circulating his knowledge in India and many other

　　__8__ (develop) countries to increase their rice harvests. Thanks to his research, the UN is trying to rid the world of

　　__9__ (hungry). Using his hybrid rice, farmers are producing harvests twice as large __10__ before.

　　　 阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。 课堂学案 1. struggle

　　vi. & n. 斗争； 拼搏； 努力； 挣扎 1. (2017江西卷) They have to struggle for their independence.

　　他们不得不为他们的独立而斗争。 2. (2015陕西卷) Robinson suggested that may be because parents themselves struggle to understand the tasks.

　　罗宾逊认为那可能是因为父母自己在努力地去理解这些任务。 3.

　　Lisa struggled with her conscience before talking to the police. 丽莎经过一番良心上的斗争，终于向警方交代了。 4.

　　The wounded young man struggled to his feet. 那位受伤的年轻人挣扎着站了起来。 【词块助记】 struggle to do sth. 艰难地做某事；挣扎着做某事 struggle for sth. 为……而斗争 struggle with/against sb./sth. 与……作斗争； 同……搏斗 struggle on 在困难中坚持；勉力维持 struggle to one’s feet 挣扎着站起来 1. Being struggled along for several days, he suddenly fell down and died. 2. Ann, having struggled for months to find a place to live, finally rent a small apartment in downtown. Key：1. Being 改为Having　2. rent改为rented 【词块助记】 2. reduce

　　vt. 减少；缩减；使……陷入某种更糟的状态

　　1. (2015海南卷) A home environment in blue can help people reduce food intake. 蓝色的居家环境能帮助人们减少食物的摄入量。 2. (2017全国卷Ⅱ) The number of cities producing CO beyond the standard has been reduced from 40 to 9. 一氧化碳排放量超标的城市的数量已经从40个减少到9个。 3. His bad behavior reduced me to despair. 他的恶劣行为使我陷入绝望。1 reduce sth. to… 把……减少到…… reduce sth. by… 使……减少了…… reduce…to…/be reduced to

　　(介词)

　　沦落为……；使陷入某种状态 1. (2017湖北卷改编) A public-health campaign has greatly reduced the number of heart disease deaths with 80 percent over the past three decades. 2. The poor boy is reduced to ________ (beg) in the street. Key：1. with 改为by　2. begging 【词块助记】 3. equip

　　vt. 装备；配备；使(某人)具备条件 1. (2017上海卷) The goal is eventually to equip it with a built-in power source. 目标是最终给它装上内置电源。 2. Equipped with new scientific farming methods, they have been able to use less farmland than in the past.

　　因为掌握了科学的农耕新方法， 他们已经可以用比过去更少的农田进行耕种。 equip sb. for/to do sth. 使某人具备做某事的条件；使某人能够做某事 equip…with…

　　用……装备…… be equipped with 装备着…… 　【拓展】equip 多用于被动语态和with 搭配。类似的结构还有： be filled with, be decorated with, be loaded with, be faced with, be satisfied with等。 The library of our school is ________ with computers. Those computers ________ us to deal with all kinds of difficulties we meet in our study. For us, computers have become essential learning ________. 我们学校的图书馆里配备了电脑。这些电脑使我们能够应对学习上的各种难题。对我们而言，电脑已成为必不可少的学习设备。 Key：equipped; equip; equipment 【词块助记】 4. regret

　　vt. 遗憾；悔恨

　　n. 遗憾；悔恨

　　1. I regretted to tell him that he had been dismissed. To my surprise, he said to me, “I have no regrets. I only regret having taken the wrong job. ”

　　我遗憾地告诉他他被解雇了。使我惊奇的是， 他对我说： “我没有什么遗憾。我唯一后悔的是选错了工作。” 2. Much to my regret, I am unable to accept your invitation. 非常遗憾，我不能接受你的邀请。 regret doing/having done sth. 后悔做过某事 regret to say/tell/inform… 遗憾地去说/告诉/通知做某事 regret sth./that… 后悔…… to one’s regret 令某人遗憾的是 with regret 遗憾地 【构词】 regretful adj. 后悔的；遗憾的

　　regretfully

　　adv. 懊悔地；遗憾地；抱歉地 1. Jenny didn’t regret giving the comment but felt that she could ________ (express) it differently. 2. (2017安徽卷改编) I regret to say that I remembered

　　________

　　(lock) the door before I left the office, ________ forgot to turn off the lights. Key：1. have expressed　2. to lock; but

　　【词块助记】 5. focus

　　vi. & vt.

　　(使)聚焦； 使集中；调节(……的)焦距　

　　n. 中心点； 集中点

　　1. (2015福建卷) I wouldn’t scold anyone for deciding to party on weekends and in turn I wouldn’t expect anyone to give offence to me for focusing on my health. 我不会因为有人在周末决定聚会而责备他，相反，我也不希望有人因为关注我的健康而冒犯我。 2. When a photograph isn’t in focus, it isn’t clear, it’s out of focus. 当照片没对准焦距时就会不清晰，或者说会模糊不清。 focus on/upon 集中于……；聚焦于…… focus…on… 集中……于……；聚焦……于 in focus 焦点对准的；清晰的 out of focus 焦点未对准的；模糊不清的 　【拓展】表示集中注意力的词组有：focus one’s attention on，center/ concentrate/ fix one’s attention on，be absorbed / buried / lost in，be devoted to，be occupied with等。 1. The research mainly deals with the difficulty the students have focused their attention on their study all the time. 2. (2017福建卷改编) I realized he had been doing what music teachers always stress: focus to the music and pretend the others aren’t there.

　　Key：1. focused 改为focusing　2. to 改为on/upon 6. rid…of

　　使……摆脱或除去 1. (2015浙江卷) After having taught fifth-grade classes for four years, I decided to try at all costs to rid them of their fear. 教了四年的五年级之后，我决定不惜一切代价消除他们的恐惧。 2. (2015海南卷) Gradually, this noise began to appear during a show, and to get rid of it, I had to change to another channel and then change it back. 慢慢地，这种声音开始在演出中出现，为了摆脱它，我不得不调到另外一个频道，然后再换回来。 3. For students, the school uniform reminds them of their tasks to get an education. 校服提醒学生们他们的任务是受教育。 4. He cheated the old lady of her money. 他骗了老太太的钱。 5. You need to convince them of your enthusiasm for the job. 你要让他们相信你对这份工作的热情。

　　【头脑风暴】 get rid of 摆脱； 除去

　　cheat sb. of sth.

　　骗取某人某物 convince sb. of sth. 使某人相信某事 cure sb. of sth. 治愈某人的某种疾病 inform sb. of sth. 通知某人某事 remind sb. of sth. 提醒某人某事 rob sb. of sth. 抢了某人某物 suspect sb. of sth. 怀疑某人做了某事 warn sb. of sth. 警告某人某事 7. would rather 宁愿；宁可 1. Would you rather walk or take a bus? 你是愿意步行还是坐公交车？ 2. Mr. Jones would rather have stayed home last night. 琼斯先生宁愿昨晚待在家里。 3. I would rather he hadn’t told you the news that you failed in the exam.我宁愿他没告诉你你考试失败的这个消息。 4. (2017陕西卷) We would rather our daughter stayed at home with us, but it is her choice, and she is not a child any longer. 我们宁愿女儿和我们一起住，但是这是她的选择，毕竟她不是孩子了。 5. Who would you rather have go with you? 你宁愿让谁和你一块去？ 【头脑风暴】 【微解析】 8. This special strain of rice makes it 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地多收获三分之一的产量成为可能。 　这个句子的基本结构是由“make it…to do 使做(某事)成为……”构成的。句中it是形式宾语, possible是宾语补足语, to do是真正的宾语。有些动词后常跟这种结构, 如：find / feel / think / consider / make ＋it＋ adj./n. ＋不定式短语。 【仿写】 1. The two girls are so alike that strangers ________ one from the other. 这两个女孩长得很相像，不熟悉的人发现很难将她俩区分开来。 2. (2017四川卷改编) New technologies ________ to turn out new products faster and at a lower cost.

　　新兴科技已经使以更快地、更低的成本生产新产品成为了可能。 【单句改错】 3. As the busiest woman in Norton, she made that her duty to look after all the other people’s affairs in the town. Key：1.

　　find it difficult/hard to tell　2.have made it possible　3. that改为it

　　　①_______________________________， green food has begun to draw more and more attention by the public.

　　　Why does green food become so popular in China? Above all, compared with ordinary food, green food is healthier, safer and more nutritious. ② _____________________________. Besides, with the improvement of living standards, more people can afford a healthier but more expensive lifestyle. ③ ____________________________． 　However, nowadays the market is full of real and fake green food, ④ ________________. Therefore, the government must strengthen the supervision and administration of green food market. Besides, consumers should increase the knowledge of green food. 　⑤ ____________________________． 【写作导航】 1. 引出“越来越多的人关注健康饮食”这一话题。建议使用as引导的状语从句和focus on； 2. 承接上文分析原因：许多蔬菜由于使用化学农药遭到污染，但绿色食品无污染。可用while表对比，用moreover来衔接上下文； 3. 得出结论：价格虽高，绿色食品却仍然成为人们最喜爱的食物。表达句型可用：although/though让步状语从句或despite/in spite of等； 4. 造成的结果：使消费者感到困惑。可使用非谓语动词结构来表达； 5. 最后使用“only ＋状语”倒装结构来总结：只有通过这种方法，绿色食品才能在我们的生活中起到更为积极的作用。 近年来，“绿色食品”在中国变得越来越流行。请你分析这种现象产生的原因，并表达你对该现象的看法。 Key: ① As more and more people focus on healthy diet ② Moreover, many vegetables are polluted because of the use of agricultural chemicals, while green food is free of pollution ③ So green food, despite its higher price, still becomes people’s favorite food ④ making many consumers confused ⑤ Only in this way can green food play a more positive role in people’s life