人教版英语必修三Unit 2　Healthy eating知识点课件43张

课件43张PPT。
Book 3　Unit 2　Healthy eating
1.balance vt.平衡;权衡 n.天平;平衡;结余;余额
教材原句
①What will happen to you if you don't eat a 　balanced????(balance) diet? 你如果没有均衡的饮食将会怎么样?◆单句填空
②Rich countries gain more from powerful Ni?os, 　on???? balance,than they lose. (2016江苏)
③You have to balance the advantages of living in the countryside　against????
the disadvantages.
④You'd better keep a 　balanced???? (balance) diet for the benefit of your health.◆完成句子
在做出最后决定之前,你最好权衡利弊。
⑤Before making the final decision, 　you'd better balance the advantages against the disadvantages????.点拨
(1)keep one's balance保持平衡
lose one's balance失去平衡
recover/regain one's balance恢复平衡
on balance总的来说
balance sth. against sth.权衡两事物的重要性;比较两个相对的事物
(2)balanced adj.保持(或显示)平衡的
a balanced diet均衡饮食? [助记]2.limited adj.有限的
教材原句
①I don't want to upset you,but I found your menu so 　limited????(limit) that I stopped worrying and started advertising the benefits of my food.◆单句填空
②He limited each person　to???? one book at a time.
③My wife and I set a limit　on???? how much we spend on clothes.
④Speeches　were limited???? (limit) to ten minutes each in the last election.
⑤There is a limit to one’s life, but no limit to　serving???? (serve) the people.
⑥To people who are used to the 　limited???? (limit) choice of apples in supermarkets, it can be quite an eye opener to see the range of classical ap-ples still in existence. (2016课标全国Ⅲ改编)◆写作微练
你最好把文章限定在大约400词。
⑦　You had better limit your article to about 400 words.????点拨
(1)be limited to局限于……
(2)limit vt.限制;限定
limit...to...把……限制在……内
(3)limit n.限度;极限
within limits在合理限度内
set a limit on对……设定限度
there is a/no limit to……是有限的/无限的3.benefit n.好处;利益;优势 vt.& vi.有益于;有助于;受益
教材原句
①I don't want to upset you,but I found your menu so limited that I stopped worrying and started advertising the 　benefits????(benefit) of my food.
◆单句填空
②There are a lot of benefits to 　working????(work) out, especially in the mornings. (2018课标全国Ⅱ)
③Reading books is 　beneficial????(benefit) to shaping a child's character.◆写作微练(用benefit的不同形式完成下面的句子)
图书馆应该购买一些科普类图书和文学类图书,因为它们对我们很有益。
The library should buy some popular science books and literary books be-cause
they?
we ⑦　benefit a lot from them????.(动词)点拨
(1)benefit from/by...从……中受益;得益于……
benefit sb. 对某人有益
be of (great) benefit to sb.对某人(非常)有益处
for the benefit of...为了……的利益
(2)beneficial adj.有益的
be beneficial to sb.对某人有益4.strength n.[C]长处;强项 [U]力量;体力
教材原句
①The 　strength???? of the diet in Wang Peng's restaurant was that it pro-vided plenty of energy-giving food. 王鹏餐馆里的饭菜的优点是提供含有足够热量的食物。◆单句填空
②To make members of a team perform better, the trainer first of all has to know their 　strengths???? (strength)and weaknesses.◆完成句子
③This activity 　has strengthened our understanding???? of the British cul-ture, education and customs.这项活动已经加强了我们对英国文化、教育和风俗的理解。(2016天津书面表达)点拨
(1)build up one's strength增强体力
strengths and weaknesses 优点和缺点
The strength of...is that...……的优点是……
(2)strengthen vt. & vi.加强5.lie n.谎话;谎言 vi.说谎;躺;位于
教材原句
①He could not have Yong Hui getting away with telling people 　lies????!他可不能让雍慧哄骗人们却不受惩罚!◆语法填空
The naughty boy ②　lying???? (lie)in bed lied to his mother that the cock
③　had laid????(lay)an egg in the basket ④　laid????(lay)by her.His mother was very angry, saying “One of the most important qualities lies ⑤　?in????
honesty.”◆一句多译
他撒谎说他的成功在于他的努力工作。
⑥　He lied that his success lay in his hard work????.(宾语从句)
⑦　He told a lie that his success lay in his hard work????.(同位语从句)点拨
tell(sb.)a lie/lies(对某人)撒谎
a big/white lie弥天大谎/善意的谎言
lie to sb.对某人撒谎
lie in在于
lie on your back/side/front仰/侧/俯卧[词义辨析]6.combine v.使结合,使联合;兼有;使融合
教材原句
①Perhaps we ought 　to combine????(combine) our ideas and provide a balanced menu with food full of energy and fibre.◆单句填空
②If you can combine your ability 　with/and???? hard work, you are bound to be successful.
③The firm is working on a new product in combination 　with???? several
overseas partners.
④This 　combination????(combine) of healing myself and healing the world struck me as the perfect solution. (2017天津)◆完成句子
为了幸福地生活,你应该把工作和学习完美地结合起来。
⑤In order to live a happy life, 　You should combine your work and/with study wonderfully.????点拨
(1)combine...with/and...把……与……结合起来
combine against联合起来反对……
(2)in combination with与……联合;与……共谋
[联想]
表示“把……与……相连接”的短语还有:connect...with/to...,associ-ate...with...,link...with/to...,relate...to...。1.get away with 受到从轻发落;(做坏事)不受惩罚
教材原句
①He could not have Yong Hui getting away 　with???? telling people lies!◆单句填空
②The child ought to be punished. You shouldn't let him get away with
????telling????(tell) lies!
③It took a long time to get 　across???? the way the machine worked to the workers.
④Studying a foreign language is always hard at the beginning, but I'll get 　over???? it.◆完成句子
⑤You 　should/are supposed to get rid of the bad habit of smoking???? in order to keep healthy. 为了保持健康,你应该改掉吸烟的坏习惯。点拨
get over 克服……;从……中恢复过来
get across (to sb.) (向某人)解释清楚
get away (from) (从……)脱身
get along with与……相处融洽
get rid of 摆脱;除掉
get down to (doing) sth.开始认真地做某事
get sb. down 使(某人)沮丧或情绪低落
get in touch with与……取得联系2.cut down 削减;减少;砍倒;缩短;杀死或伤害(某人)
教材原句
①In this way they cut 　down???? the fat and increased the fibre in the meal.◆写出下列各句中cut down的含义
②My uncle hasn't been able to quit smoking, but at least he has cut down.　减少;削减????
③This article is too long, and you have to cut it down to 1,000 words.
????缩短????
④Immediate action should be taken, like stopping cutting down trees, to better the environment.　砍倒????
⑤Hunger, cold and illness cut down many of the villagers. 　杀死;夺去……的生命????◆完成句子
⑥It's bad manners 　to cut in????when others are talking.
别人谈话的时候插话是不礼貌的。点拨
cut back on减少,缩减　　　　 cut in插话
cut up切碎　　 cut out删除
cut across穿过(尤指抄近路)　　 cut off切断;停止;隔绝
cut sth. away切除, 剪去1.否定词+比较级
教材原句
①“Nothing could be 　better????(good),” he thought.◆单句填空
②Nothing is 　more precious????(precious)than health.
③So many people gave a willing hand when I was in trouble; it was not until then that I realized nobody was 　happier???? (happy) than I was.
④Our women athletes achieved great success in the Olympic Games; no
one could perform so well 　as???? them, I think.◆单句改错
⑤You can be too careful with the gas.　can改为cannot或can't????
◆一句多译
这本书对我影响最大。
⑥The book has a greater effect on me than　any other book????.
⑦The book has a greater effect on me than　all the other books????.点拨
否定词与比较级连用,实际上表示的是最高级的含义。
[联想]
表示最高级意义的几种结构:
(1)never+比较级
(2)?(3)比较级+than+?
(4)can't/cannot...too...;can never...too...2.can't have sb. doing sth.不允许某人做某事
教材原句
① He could not have Yong Hui 　getting????(get) away with telling people lies!◆单句填空
②I can't have you 　speaking????(speak)to your mother in such a rude manner—you must apologize to her immediately.
③I have a lot of work 　to do???? (do)today, so I have no time to spare.
④ “Tom, do you have anything　to be washed????(wash)?” asked the mother.
⑤It is not polite to have your guest 　waiting????(wait) all the time.◆单句改错
⑥Every year, Tom remembers to have some flowers send to his mother on her birthday. 　send→sent????点拨
have sb. do/doing sth. 让某人做某事/处于某种状态
have sth. done让别人做某事
have sth. to do有事情要做
have sth. to be done有事情要做(主语不做)