高考英语一轮复习unit2healthyeating课件新人教版必修3

Unit 2 Healthy eating,-2-,主题语境:人与自然健康的生活方式、积极的生活态度,-3-,高频单词,重点短语,难点句型,1.balance n.平衡;天平;秤;余额 vt.平衡;权衡;使相等,相抵 高考佳句 He had the rare balance of fun and compassion.(2017全国卷)他很难在娱乐和同情之间找到平衡点。 (1)on balance总的说来 keep/lose(ones)balance保持/失去平衡 off balance失去平衡;不知所措 balance.against权衡,比较 (2)balanced adj.保持(或显示)平衡的;和谐的;安定的 balanced diet均衡饮食,-4-,高频单词,重点短语,难点句型,四维热练 (1)单句语法填空 Before making the final decision,youd better balance the advantages the disadvantages. A (balance)diet is important to health. I was thrown balance when the bus came to a stop suddenly.,against,balanced,off,-5-,高频单词,重点短语,难点句型,(2)完成句子 When he was running after his brother,the boy and had a bad fall.(2015湖北卷) 这个男孩追赶哥哥的时候,他失去了平衡,狠狠地摔了一跤。 Rich countries gain more from powerful Nios, ,than they lose.(2016江苏卷) 总的说来,富裕国家因强大的厄尔尼诺得到的东西要比它们失去得多。 I found it hard to on the icy path. 我发现在结冰的路面上行走很难保持平衡。,lost his balance,on balance,keep my balance,-6-,高频单词,重点短语,难点句型,2.consult vt.意为“商量”时,多用作不及物动词,后跟with sb ,意为“和某人商量”。,-7-,高频单词,重点短语,难点句型,词语辨析 consult,refer to,look up 三者都可以用来表示“查阅,参考”,但是其宾语有所不同: consult/refer to+a book/dictionary,etc. look up sth in a book/dictionary,etc.,-8-,高频单词,重点短语,难点句型,四维热练 (1)用consult,refer to,look up的正确形式填空 the chart on Page 44 for the correct cooking times. You should the right pronunciation of this word in a dictionary. your doctor about how much exercise you should attempt. (2)完成句子 Now you had better a physician. 现在你最好去找内科医生商量一下。,Consult/Refer to,look up,Consult,consult with,-9-,高频单词,重点短语,难点句型,3.limit n.界限;限度 vt.限制;限定 高考佳句 For example,most of us would expect older drivers always go slower than everyone else but surprisingly,we found that in 30mph zones they struggled to keep at a constant speed and so were more likely to break the speed limit and be at risk of getting fined.(2017全国卷)例如,我们大多数人会想到老年司机总是慢于其他人,但令人惊讶的是,我们发现在时速30米的地带,他们努力保持在一个恒定的速度,因此更容易超速,有被罚款的风险。 (1)a limit to.的限制 set a limit to/on.限制 limit.to.把限定在范围内 (2)limited adj.有限的 be limited to.受限于,-10-,高频单词,重点短语,难点句型,四维热练 (1)单句语法填空 Ive been asked to limit my speech ten minutes maximum. In my opinion,taking cellphones with the students should not be banned,but (limit)to certain areas. How will you use the (limit)time you have? (2)同义句改写 You should limit the length of the article to 400 words or so.(改写为被动语态),to,limited,limited,The length of the article should be limited to 400 words or so.,-11-,高频单词,重点短语,难点句型,(3)完成句子 the amount of time we have? 我们的时间有没有限制? We must the expense of the trip. 我们必须给旅游费用定一个限额。 He was born in a poor family,and only received a education in his childhood. 他出生于一个贫穷家庭,童年只接受过有限的教育。,Is there any limit to,set a limit to,limited,-12-,高频单词,重点短语,难点句型,4.benefit vt.成效 高考佳句 Were looking at the benefits of systems which control their speed as a way of preventing that.(2017全国卷)我们正在研究控制速度的系统的好处,以防止那种情况的发生。 (1)benefit sb /sth 对某人/物有益 benefit from/by从中受益 be of benefit to(=be beneficial to)对有益 for ones benefit(=for the benefit of sb )为了某人的利益 (2)beneficial adj.有益的,-13-,高频单词,重点短语,难点句型,四维热练 (1)单句语法填空 I feel that I have benefited greatly her wisdom. A stay in the country will be (benefit) to his health.,from/by,beneficial,-14-,高频单词,重点短语,难点句型,(2)写作升级 The new regulation will be of benefit to everyone concerned. 满分表达The new regulation everyone concerned.(用beneficial改写) (用benefit from改写) The new regulation .(用benefit v.改写),will be beneficial to,Everyone concerned will benefit from the new regulation,will benefit everyone concerned,-15-,高频单词,重点短语,难点句型,(3)完成句子 Many of the things we now would not be around but for Thomas Edison.(2015江苏卷) 如果没有托马斯爱迪生的话,我们现在所受益的许多东西是不会出现的。 I a great deal reading. 我从阅读中受益良多。 The warning sign was put there the public. 那儿设立了警告牌是为了公众的利益。,benefit from,benefit,from,for the benefit of,-16-,高频单词,重点短语,难点句型,1.get away with (做坏事)不受惩罚;受到从轻发落;携带跑掉 教材原句He could not have Yong Hui getting away with telling people lies!(Page 10) 他可不能让雍慧哄骗人们后跑掉! get away from从脱离;逃离;摆脱 get across解释清楚;(使)被了解;传达 get over克服;恢复 get down to开始;着手 get round/around/about传播;流传;各处走动,-17-,高频单词,重点短语,难点句型,四维热练完成句子 Mr Brown is a good coach because he can the plays. 布朗先生是个好教练。因为他能把方法技巧讲清楚。 Dont think you can telling lies. 不要以为你可以撒了谎而不受惩罚。 He the language barrier. 他已克服了语言障碍。 Word that he had resigned. 传言他已辞职了。,get across,get away with,has got over,got round/around/about,One main idea possessed him:he must such a home. 他只有一个主要想法:他必须离开这个家。,get away from,-18-,高频单词,重点短语,难点句型,2.cut down削减;删节;降低(减少);砍倒;改小或缩短(衣服等);夺去生命 经典例句Your articles too longplease cut it down to 1,000 words.你的文章太长请把它删减到1000字。 cut in插话;插队;(马达或发动机)发动 cut up切碎;谴责 cut out删除;切断;(马达或发动机)突然熄火,停止运转;裁剪 cut through刺穿;抄近路走过 cut off切断;使中止;使隔绝 温馨提示表示“减少;缩减”时,可用cut down,也可用cut down on。,-19-,高频单词,重点短语,难点句型,四维热练 (1)写出下列句子中cut down的汉语意思 He tried to cut down on smoking but failed. Cut down the article so as to make it fit the space available on the paper. He cut down the tree and cut it up for firewood. (2)短语填空 cut out,cut up,cut off,cut down My uncle hasnt been able to quit smoking,but at least he has . If you dont pay your gas bill,they the supply. He the meat before his mother came back. Please my overcoat according to this pattern.,削减,删节;删减,砍倒,cut down,will cut off,had cut up,cut out,-20-,重点短语,难点句型,高频单词,1.“ Nothing could be better,” he thought.(Page 10)他想:“再没有比这些更好吃的了。” nothing could be better意为“没有比这更好的了(这是最好的)”,为否定词和比较级连用表示最高级含义。 最高级含义的多种表达法:,(2)否定词+so/as+形容词/副词原级+as (3)否定词+形容词/副词比较级(+than) (4)the+形容词/副词最高级,-21-,重点短语,难点句型,高频单词,四维热练完成句子 Mr Stevenson is great to work forI really boss. 为史蒂文森先生工作真好我实在找不到比他更好的老板了。 It was not until then that I suddenly realized than I was. 直到那时我突然意识到没有人比我更幸福了。 As far as I am concerned, travelling. 在我看来,没有什么比旅行更令人愉快的了。,couldnt find a better,nobody was happier,nothing is more pleasant than,-22-,重点短语,难点句型,高频单词,2.He could not have Yong Hui getting away with telling people lies!(Page 10)他可不能让雍慧哄骗人们后跑掉! cant have sb doing sth 意为“不允许某人做某事”,have sb doing 用于否定句时,have表示“容忍”。 have的其他用法: h