2019-2020学年英语高中人教版必修3学案:Unit 2 Period 2知识讲练课
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1、Unit 2 Healthy eatingPeriod 2 知识讲练课学习目标单词:strength;balance;consult;glare;limit;benefit短语:cut down;be tired of;get away with课堂探究一、词汇精粹学习建议:根据所列例句,理解并尝试总结下列词汇的用法。1.balance n.C天平;秤U平衡;权衡 vt.平衡; 权衡【教材原句】 What will happen to you if you dont eat a balanced diet?如果你不能均衡饮食的话,你会怎样呢?【观察思考】(1)It is difficult t
2、o keep ones balance on an icy pavement.人行道上结了冰,要想不摔倒可不容易。(2)He balanced the advantages against the disadvantages.他权衡了利弊。(1)balance 组成的短语有 (2)balance A against B 2.strength n.强项;长处;力量 strengthen vt.加强(派生词)【教材原句】 The strength of the diet in Wang Pengs restaurant was that it provided enough energy-givi
3、ng food.王鹏餐馆的饮食的优势在于它提供含有足够能量的食物。【观察思考】(1)The strength of the diet in Wang Pengs restaurant was that it provided much energy.王鹏餐馆的饮食的优势是它能提供很多能量。(2)The soldiers strengthened their defenses.士兵们加强了他们的防御工事。【辨析】区别 force,power,energy,strength3.consult vt.咨询;请教;商量【教材原句】 However,as she was so afraid of bei
4、ng laughed at by her friends,she did not consult a doctor.然而,因为她担心被朋友们嘲笑,所以她没有咨询医生 【观察思考】(1)If symptoms persist,consult a doctor without delay. 如果症状持续,立即就医。(2)The president consulted with (与 商议)European leaders before taking action.总统在决策之前与欧洲领导人做了商讨。(3)Has Tom consulted a map?汤姆查看地图了吗?consult 的基本结构有
5、哪些?4.glare vi.怒目而视(+at );闪耀 n.C 怒视; 炫目的光【教材原句】 She did not look happy but glared at him.她( 雍慧)瞪着他,看上去不高兴。【观察思考】(1)The men who were fighting glared ( 介词)each other.打架的人怒视着对方。 (2)He gave me an angry glare.他愤怒地瞪了我一眼。【辨析】区别 look at,glare at,stare at 与 glance at (1)The pupils are all looking at the chart
6、 on the wall.学生都瞧着墙上的挂图。(2)Dont glare at me like that;you deserve the scolding.不要那么瞪着我,你本该受到训斥的。(3)She raised her eyes and stared at me.她抬起眼来盯着我。(4)I glanced quickly at her.我很快地看了她一眼。5.limit n.C界限;限度 vt.限制; 限定【教材原句】 . I found your menu so limited that I stopped worrying and started advertising the b
7、enefits of my food.我发现你的菜谱上的菜太少了,所以我也不着急了,我也开始宣传我餐馆的食物的好处。【观察思考】(1)There is a limit ( 介词)what I can do for you. 我能为你做的事有限(不能什么事都为你做 )。(2)I shall limit myself (介词) three aspects of the subject. 我仅探讨这一问题的三个方面。(1)set a limit to . (2)without limit (3)there is no limit to . (4)limit . to. (5)be limited t
8、o 6.benefit n. 利益;好处 vt. 有助于; 受益【教材原句】 . I found your menu so limited that I stopped worrying and started advertising the benefits of my food.我发现你的菜谱上的菜太少了,所以我也不着急了,我也开始宣传我餐馆的食物的好处。【观察思考】(1)These facilities have benefited the whole town.这些设施使全城受益。(2)She went there for the benefit of(为了 )her health.她
9、为了自身健康去了那儿。【联想记忆】短语:(1)从 中受益 A benefits B = B benefits from/by A (2)beneficial adj.(+to sb./sth.)有益的; 有用的;有好处的bine vt. (使) 结合 combination n.组合;混合物派生词【教材原句】 Perhaps we ought to combine our ideas and provide a balanced menu with food full of energy and fibre.也许我们应该把我们的想法结合起来,做出一张含有能量和纤维素的食物的均衡菜单。 【观察思
10、考】Perhaps we ought to combine my ideas with your ideas;that is to say,my ideas ought to be combined with your ideas.也许我们应该结合你我二人的想法。也就是说,我们应该相互借鉴彼此的想法。(1)combine vi.(使) 联合(2)combine A with B=combine A and B 把 A 和 B 结合起来【联想记忆】 combined adj. 二、短语集锦1.cut down 削减 ;删减;砍倒【教材原句】 In this way they cut down t
11、he fat and increased the fibre in the meal.这样,他们减少了饭菜中脂肪的含量,增加了纤维素。【观察思考】They have cut down a tall tree and now they are cutting it up.他们已经把一棵大树砍倒了,现在正在把它截断。【联系拓展】 cut down 【思考】 cut 构成的其他短语:cut across cut back (on) cut off cut up 2.be tired of sth./doing sth. 对 感到厌烦/ 厌倦【教材原句】 Tired of all that fat?W
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