人教版英语必修四Unit 2　Working the land知识点课件37张

课件37张PPT。
Book 4　Unit 2　Working the land
1.struggle vi.& n.斗争;拼搏;努力;挣扎
教材原句
①Indeed, his sunburnt face and arms and his slim, strong body are just like those of millions of Chinese farmers, for whom he 　has struggled????(struggle) for the past five decades. 重点单词◆单句填空
②Diana, 　having struggled???? (struggle) for months to find a job as a waitress, finally took a position at a local advertising agency.
③We have to struggle 　against/with???? all kinds of difficulties.
④Despite his terrible injuries, he wouldn't give up the struggle 　 for???? life.
⑤They struggled 　to keep???? (keep)at a constant speed and so were more likely to break the speed limit and be at risk of getting fined. (2017课标全国Ⅲ)◆写作微练
⑥我们必须努力保护环境。(2016北京书面表达)
　We must struggle to protect the environment.????点拨
struggle for为……而斗争
struggle with/against sb./sth.与……做斗争
struggle to do sth.努力做某事
struggle free逃脱
struggle to one's feet挣扎着站起来2.equip vt.& vi.装备;配备
教材原句
①He therefore gives millions of yuan 　to equip????(equip) others for their research in agriculture.◆单句填空
②Unfortunately, you must carry the necessary 　equipment???? (equip) with you, since it's all but impossible to find natural substitutes. (2017课标全国Ⅰ)
③All riders 　are equipped????(equip) with reflective vests and safety lights. (2018课标全国Ⅰ)◆完成句子
为了让我们的学生更好地适应社会,我们想让他们具备某些特殊技能。
④In order to make our students adapt to the society better, 　we want to equip them with some special skills????.点拨
(1)equip sb./sth. with sth.用……装备某物;让某人具备(知识、技能等)
equip sb./sth. to do sth.使……有条件做某事
(2)equipment n.设备
[点津]
(1)equip 的过去式和过去分词均为equipped;
(2)equipment 为不可数名词,“一件设备”为a piece of equipment。3.regret v.可惜;后悔;遗憾;惋惜 n.遗憾;抱歉
教材原句
①His father says that he has never regretted　sending????(send) his son to study abroad.◆单句填空
②I regret　to tell???? (tell) you that I can't travel to Beijing together with you at the appointed time.
③　To???? my regret,we have no much time left to discuss the problem.◆单句改错
④Jerry did not regret give the comment but felt that he could have ex-pressed it differently.　give→giving????◆写作微练
⑤令我们遗憾的是,很多人没有很好地执行他们制订的计划。(2016浙江书面表达)
　To our regret, a great many people didn't carry out the plan that they had made very well.????点拨
regret?后悔做了某事
regret to say/tell/inform...that...遗憾地说/告知/通知……
regret that...后悔……
with great/deep regret 很遗憾
have no regrets about...对……不后悔
to one's regret 让某人感到遗憾的是[点津]
regret后接动名词时,表示“后悔做了某事”;后接不定式(多为to say/to tell/to inform)时,一般表示“对即将发生的事表示遗憾/抱歉”。4.focus vt.集中;聚焦n.焦点;中心点
教材原句
①They focus 　on???? keeping their soil rich and free of disease.◆单句填空
②With the attention 　focused???? (focus) on the task, they had no time to take part in the party.
③We were respectful of craft(技艺) and focused on 　digging????(dig) into the characters we were going to play. (2017课标全国Ⅱ)
④Health and environmental problems have become increasingly 　　the????
focus of attention.◆句型转换
My eyes were focused on the article so that I didn't notice someone come in.
→⑤　With my eyes focused on the article, I didn't notice someone come in.
(with复合结构)
→⑥　My eyes focused on the article, I didn't notice someone come in.? (独立主格)点拨
(1)focus on集中于……
focus one's attention/eyes/energy on...集中注意力/目光/精力于……
(2)the focus of...……的焦点
[联想]
表示“集中注意力/精力于……”的短语还有:pay attention to sth.;put one's heart into sth.;fix one's attention on sth.;concentrate one's attention on
sth.。5.comment n.评论;议论 vi. & vt.表达意见;作出评论
教材原句
①Swap summaries with your partner and give each other 　comments???? (comment).◆单句填空
②My 10-year-old noticed him and made a comment 　 on???? how bad it must be to have to stand outside in the cold wind.
③Everyone was making appreciative 　comments????(comment)about the
delicious food.◆句型转换
The teacher often comments on how different the two boys are.
→④The teacher often 　makes comments on???? how different the two boys are.点拨
comment on/upon sth.对……发表评论
comment that...评论……
make comments on/about...对……加以评论
no comment无可奉告
[点津]
comment用作及物动词时,其宾语通常只能是that从句,一般不能接名词或代词,如果语义上需要接名词或代词作宾语,则常用comment on/upon sth.结构。1.build up 逐渐增强;增强……的体力;建立;创办;开发;增加;积累
教材原句
①These chemicals in the food supply build 　up???? in people's bodies over time.随着时间的推移,食物中的这些化学成分会在人体中堆积。重点短语◆写出下列各句中build up的含义
②His confidence built up as he gained more and more experience in teach-ing.　逐渐增强????
③Taking exercise helps us build up our bodies and keep a clear mind.
????增强……的体力????
④It's said that she's built up a very successful business. 　创办????◆完成句子
⑤读了司马迁的故事之后,我增强了与困难做斗争的勇气。(2016北京书面表达)
After reading the stories about Sima Qian, 　I built up the courage to fight against difficulties????.点拨
pick up捡起;(无意中)学会;接收;搭载
take up拿起;开始从事　　　hang up挂起来;挂断电话
dress up穿上盛装;打扮　　make up编造;补上;组成
show up出现;露面　　bring up抚养;教养
break up分裂;打碎2.lead to 导致;造成(后果);通向……
教材原句
①Many of these chemicals can lead 　to???? cancer or other illnesses.
◆单句填空
②Questioning can lead to 　searching???? (search) for an answer.
③In class I will separate the students into small groups and lead them
　to practice???? (practice) speaking English in an interesting way.◆一句多译
毫无疑问,懒惰导致失败。
There is no
doubt that?点拨
(1)lead to中的to为介词,后接名词、代词或动名词
(2)lead sb. to do sth. 使某人做某事
lead/live a...life过……样的生活
lead the way 引路;带路
[点津]
表示“导致”的短语还有:result in, contribute to, bring about等。1.If so如果这样的话
教材原句
①　 If so ????(如果是这样的话),what did you do to grow them?重点句型◆单句改错
②Will you be free this Sunday?If not, let's go camping.　not→so????
③I think there's a train at midday. If so, you'll have to wait till 2:30.
　so→not????
◆完成句子
④　If not????(如果不行的话), do let me know what time suits you best.(2016课标全国Ⅲ书面表达)◆写作微练
⑤如果这样的话,我们的地球将会变成一个更美丽的家园。(2016北京书面表达)
　If so, our earth will become a more beautiful home.????点拨
该句型是if引导的条件状语从句的省略形式,表示肯定意义;如果表示否
定意义,则用if not。
[联想]
if ever 如果有过的话　　　　if any 如果有的话
if possible 如果有可能的话　　if necessary 如果有必要的话2.would rather(not) do sth.宁愿(不)做……
教材原句
①He would much rather 　keep????(keep) time for his hobbies.
◆单句填空
②I would rather you 　had finished???? (finish) your homework yesterday.
③She would rather you 　came???? (come) tomorrow.
④We would rather 　follow????(follow) our teacher's advice.◆单句改错
⑤Would you rather stayed at home?　stayed→stay????
◆完成句子
⑥To live a low-carbon life, some people　would rather take a bus than drive a car???? (宁愿坐公交车也不愿开车)to work.点拨
would rather(not) do sth.意为“宁愿(不)做……”。
[联想]
(1)would do...rather than do...宁愿做……也不愿做……
prefer to do sth. rather than do sth.比起……更愿意做……
would rather...than...宁可……也不……
(2)would rather后的宾语从句要用虚拟语气。表示与现在或将来相反的情况时,从句谓语用一般过去时;表示与过去相反的情况时,从句谓语用过去完成时。