高中英语 Unit 2 Working the land 10教案 新人教版必修4

1、Unit2 Working the landPeriod 10 revision 教材分析 The emphasis of this period will be placed on reviewing the important new words, expressions and sentence patterns in the parts Warming up, Pre-reading, Reading and Comprehending. In order to make students grasp and use these important points thoroughly.

2、 2. 学情分析Our Ss dont like even hate to memorize words and language points; however they are the fundamental of learning English. This class will help them to memorize language points by exercises. 3. 教学目标1.知识目标1). Get Ss to go over the useful new words and expressions in this unit. 2). Have Ss review

3、 the new grammar item:动词-ing形式作主语和宾语 2.能力目标1). Develop Ss ability to use the important language points in this unit. 2). Enable Ss to learn about the usage of v-ing.3. 情感目标1）Stimulate students sense to form a revision habit2) Develop students sense of cooperative learning4. 教学重点1. Get Ss to review a

4、nd consolidate what they have learned in this unit. 2. Develop Ss ability to solve problems. 5. 教学难点1. Get Ss to turn what they have learned into their ability. 6. 教学过程Step 1 Revision1. Check the homework exercises. 2. Dictate some useful new words and expressions in this unit.Step 2 考 点 串 串 讲一重点单词1

5、. strugglev.挣扎；努力；拼搏；斗争 n. (为争取自由、政治权利等而进行的)斗争，奋斗常用结构：struggle with与斗争struggle for 为争取而斗争struggle against与斗争；为反对而斗争struggle to do sth. (=make great efforts to do sth.)努力做某事struggle to ones feet 挣扎着站起来She struggled to keep back the tears. 她努力忍住泪水。It was a hard struggle to get my work done on time. 为使

6、工作按时完成, 我做了一番努力。易混辨析struggle/fightstruggle指较长时间的、激烈的斗争，往往指肉体及精神上的战斗。fight意为“搏斗，打斗，打架”，表示“斗争”时，包含体力和勇猛的因素。2. expandv.扩大；扩展；增加；增长；（使）膨胀；阐述；使变大常用结构：o.将扩展/发展成expand on 阐述；详谈He is thinking of expanding his business. 他在正考虑扩大他的生意。In ten years the citys population expanded by 12%. 十年之中,该市人口增加了百分之十

7、二。联想拓展expansion n. 展开；膨胀；扩展 expansive adj. 广阔的；易膨胀的expand/extend/spread/stretch expand 意为“展开，扩大”，不仅指尺寸的增加，还可指范围和体积的扩大。 extend 意为“伸出，延伸”，指空间范围的扩大及长度，宽度的向外延伸，也可指时间的延长。 spread 意为“传播；蔓延；铺开”。一般指向四面八方扩大传播的范围，如传播（疾病），散布（信息）等。 stretch 意为“伸展(身体等)，拉长；连绵”，一般指由曲变直，由短变长的伸展，不是加长。 3. equipvt. & vi. 配备；装备常用结构：equip

8、 sb./sth. with 用武装某人；用装备某物 equip sb./sth. for 为而武装某人；为而装备某物 a piece of office equipment 一件办公设备They equipped themselves for the expedition. 他们为远征准备装备。A good education should equip you for life. 良好的教育能使你受用终生。4. regretvt.& vi. 后悔；遗憾n. 遗憾；懊悔常用结构：regret doing= regret having done=regret to have done 后悔做了某

9、事regret to do遗憾将要做某事regret to say/tell/inform 遗憾地说/告诉/通知much to ones regret 深感遗憾 with regret 遗憾地Tom regretted telling his parents the thing. 汤姆后悔告诉了父母那件事。I regretted to tell you you hadnt passed the driving test. 我很遗憾地告诉你你没有通过驾驶考试。He told me with regret that he couldnt come to the party. 他很抱歉地对我说他不能

10、参加这个聚会了。He gave up teaching in 1998, much to his students regret.他于1998年放弃了教学，这使他的学生很遗憾。5. reducevt.减少；缩小；降低；使陷入某种更糟的状态He is trying to reduce expenses. 他正试图减少开支。We must gradually reduce the wage gap. 我们必须逐步缩小工资差距。常用结构：reduce sth. to. 减少到reduce sth. by. 减少了be reduced to 沦落为The shopkeeper reduced the

11、price by 10. 店主把价格降了10美元。The poor boy is reduced to begging. 那个可怜的孩子已沦为乞丐。 6. commentvi.&vt. 表达意见；作出评论n.C&U 评论；议论常用结构：comment on/about sth./sb. 对某事/某人进行评论make comments/no comment on sth./sb. 对某事/某人进行评论/不进行评论The scandal caused a lot of comment. 这件丑闻遭到很多议论。“Will you resign, Minister?” “No comment!”“部长

12、，您是要辞职吗?”“无可奉告。”重点短语7. thanks to由于；多亏（有时用作反语）;因为Thanks to your help, we were successful. 由于你的帮助，我们成功了。Thanks to the bad weather, the match had been cancelled.多亏了这倒霉的天气，比赛被取消了（反联想拓展表示“因为，由于”的短语还有：because of，owing to，on account of，due to，as a result of。温馨提示以上这些都是介词短语，因此后面可以跟名词或动名词而不可以跟从句。8. rid .of摆脱；

13、除去You should rid yourself of that bad habit. 你应该改掉那个坏习惯。联想拓展be rid of 摆脱get rid of 摆脱；除掉；去掉rid oneself of debt 还清债务break away from 摆脱；放弃You must break away from such a bad habit. 你必须改掉这样的坏习惯。It wont be long before we can be/get rid of the pest altogether.不用太久，我们就能把这种害虫消除干净。9. would rather宁愿，宁可Id rat

14、her you didnt. (常用来委婉拒绝别人)我希望你不要。He would rather stay at home watching TV. 他宁愿待在家里看电视。Id rather not go there. 我宁愿不去那里。Id rather you came tomorrow than today. 我宁愿你明天来而不是今天来。Id rather have made a telephone call to him yesterday. 我昨天本想给他打个电话的。联想拓展would rather.than.是常用句式，意为“宁可（愿）（而）不要（愿）”would rather从句时

15、，从句要用虚拟语气，用动词的过去时表示。would rather have done 本想做（而实际上未做） 10. lead to通向；导致；造成（后果）注意：lead to中的to为介词，该短语后可跟名词或动名词。The car accident led to his being killed. 那次车祸导致他死亡。All roads lead to Rome. 条条大路通罗马。Eating too much sugar can lead to health problems. 吃太多糖会导致健康问题。His carelessness led to his failure. 他的粗心导致了

16、他的失败。联想拓展result in 导致 result from 由导致 11. build up逐步建立；逐渐增强；加强；树立；积累The company has built up a fine reputation. 该公司已建立起良好的信誉。You must build up your strength after your illness. 你在病后必须要增强体力。12. focus on集中（注意力、精力等）于；对(某事或做某事)予以注意；使聚焦于；使直射于He focused his mind on his lessons. 他把心思集中在功课上。 Today were goin

17、g to focus on the question of homeless people. 今天, 我们主要讨论无家可归者的问题。 联想拓展focus ones attention on sth.= center/concentrate/fix ones attention on sth. 集中注意力于重点句型13. In 1974, he became the first agricultural pioneer in the world to grow rice that has a high output. 1974年，他成为世界上第一位种植高产水稻的农业先锋。 不定式放在表示次序的词

18、the first, the last, the best以及the only, the very, the right等词后面, 且这些词与动词不定式有逻辑上的主谓关系，结构为：the first/last/best/only/very/right .+n. + to do sth.表示“第一个/最后一个/最好的一个/唯一的/恰好的/合适的做某事的人/物”。He is always the first to come and the last to leave. 他总是第一个来并且最后一个离开。The last man to leave the sinking ship was the ca

19、ptain. 最后一个离开正在下沉的船的那个人是船长。14. Using his hybrid rice, farmers are producing harvests twice as large as 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。倍数表达法：Abe倍数asadj.asBAbe倍数比较级thanBAbe倍数（由某些形容词变化而来的）n.ofBIm not going out with a man whos twice as old as me. 我不愿意和一个年纪比我大一倍的男人一起参加社交活动。We got three times as many p

20、eople as expected. 来的人超过我们预料人数的两倍。Youre not half as clever as you think you are. 你可不像自己想像的一半那么聪明。15. This also keeps the air, soil, water and crops free from chemicals.这还可以让空气、土壤、水以及农作物不受化学物质的污染。keep .free from 无的；免于；摆脱（常用作表语、后置定语或补语）联想拓展be free to do sth. 自由地做，随意地做set sb. free 释放某人get/give sth. for

21、 free免费得到/赠送a smokefree room/area无烟室/区free of charge免费板书设计1. struggle with与斗争struggle for 为争取而斗争struggle against与斗争；为反对而斗争struggle to do sth. (=make great efforts to do sth.)努力做某事2expand/extend/spread/stretch expand 意为“展开，扩大”，不仅指尺寸的增加，还可指范围和体积的扩大。 extend 意为“伸出，延伸”，指空间范围的扩大及长度，宽度的向外延伸，也可指时间的延长。 sprea

22、d 意为“传播；蔓延；铺开”。一般指向四面八方扩大传播的范围，如传播（疾病），散布（信息）等。 stretch 意为“伸展(身体等)，拉长；连绵”，一般指由曲变直，由短变长的伸展，不是加长。 3. equipvt. & vi. 配备；装备常用结构：equip sb./sth. with 用武装某人；用装备某物 equip sb./sth. for 为而武装某人；为而装备某物 4. thanks to由于；多亏（有时用作反语）;因为。 。问题研讨（课堂提问，练习和作业设计）课堂提问：1. What do you think would happen if tomorrow there was s

23、uddenly no rice to eat?2. What are some of the problems caused by chemical fertilizers?练习 单词拼写。根据下列句子及所缺单词的首字母或汉语意思，写出单词的正确形式。1. The new from the front is very （令人不安的）. 2. There were several new forms of _ (细菌) and nobody knew how they would affect humans. 3. Air e when heated. 4. If you blood (循环)b

24、adly, your hands and feet will get cold easily.5. This food provides the _(营养) your dog needs. 6. The average _(产量) of the factory is 20 cars a day.7. We e_ rice but import wheat.8. I bought the shirt because its price was r_ by 40%.9. Give me a s_ of your reportI have no time to read right through

25、it.10. The soldiers were e with the latest weapons.作业：A level单项选择1. - Shall I open the window to let some fresh air in? - No, . A. Id rather not B. Id rather you not C. Id rather you didnt D. Id like not to2. Vitamin B and C help to your resistance. A. set up B. give up C. build up D. stand up3. He

26、got completely when he saw both Lucy and Lily, who are twin sisters. A. confusing B. confused C. confuse D. confuses4. The professor referred to yesterday. A. come B. came C. coming D. comes5. He insisted that he from heart trouble, but I didnt think so. A. should suffer B. has suffered C. suffers D

27、. was suffering6. It is generally considered unwise to give a child he or she wants. A. however B. whatever C. whichever D. whenever7 - What happened to your shoes? - They want . A. to mend B. being mended C. mending D. mended8.-What do you think made Mary to upset? - her new bicycle. A. Losing B. L

28、ost C. As she lost D. Because of 9. The officers narrowly escaped in the hot battle. A. have killed B. to kill C. to be killed D. being killed10. The students are listening to the teacher with their eyes the blackboard. A. fixing on B. fixing to C. fixed on D. fixed toB level11. Did you find impossi

29、ble for him to tell the truth? A. this B. it C. that D. what12. You but he the prizes to these gifted students at the meeting. A. is hanging out B. are handing out C. are to hand out D. is to hand out 13. I will appreciate if you paid in cash. A. that B. you C. this D. it14. If I ruled the world, I

30、would _ the world _ everything that is bad. A. get rid of; byB. be rid of; byC. rid; ofD. get rid; of 15. As is known to all, oranges are _ Vitamin C.A. rich in B. poor with C. short of D. good for16. We found several _ of rice near the hole. The mice may have stored a lot of _ in the hole.A. grain;

31、 grain B. grains; grains C. grain; grains D. grains; grain 17. Only then how much damage had been causedA. did she realize B. she realized C. had she realized D. she had realized18. -Its five years since I worked here. - ?A. Where do you work now B. Have you worked here happily C. How long will you work here D. Do you want to here longer19. Three days enough to finish the work. Let my do it. A. are B. was C. is D. were20. Progress so far has been very good. , we are sure that the project will be c