Unit 1 Section Ⅲ Using language & Developing ideas-【金版新学案】2025-2026学年高中英语必修第二册同步课堂高效讲义教师用书（外研版）

Section Ⅲ　Using language & Developing ideas Step One：Pre-reading Read the title and photos of the passage, guessing the meanings of the title. Possible answer： ·It means the cold food in the fridge can reflect people's lifestyles. ·It's a cruel fact that bad eating habits and lifestyles will influence people's health. Step Two：While-reading Ⅰ.Read for the main idea. What is the text mainly about? A．The suggestions about what you eat. B．The suggestions about how to keep a healthy diet. C．The suggestions about improving eating habits. D．The test about “You are what you eat”． 答案：D Ⅲ.Read for the structure. 学生用书第12页 Ⅲ.Read for details. 1．What is the truth behind the saying “You are what you eat”？ A．Keep a good eating habit. B．Eat fresh，seasonal fruit and vegetables. C．Diet can reflect a person's personality and living environment. D．A good diet is important for good health. 2．What does Max mean by saying “and I suppose the fridge could be kind of cleaner...”？ A．He dislikes putting food in the fridge. B．He has eaten all the food in the fridge. C．He doesn't cook by himself. D．The fridge has broken down. 3．Which of the following is TRUE according to the passage? A．Ellie is a doctor and she has a good eating habit. B．Ted likes to eat a big meat dinner because of tiredness. C．Max has three healthy meals every day. D．Jenny's husband doesn't like cooking at home. 4．What does Jenny think of her lifestyle? A．Healthy. B．Unhealthy. C．It needs to be changed. D．It doesn't need to be changed. 答案：1～4：CCBA Step Three：Post-reading Ⅰ.难句解构 1． [尝试翻译] 　如果我们有了孩子，我想按照我们的生活方式养育他们，但我丈夫说，每个人都应该有权选择自己的生活方式。 2． [尝试翻译] 　我知道我们应该多吃新鲜的水果和蔬菜，但是即食餐太方便了。 Ⅱ.佳句仿写 1．教材佳句　There's not enough room to swing a cat in my small apartment，so I don't cook very often.(环境描写) 学后仿写　店里光线不太充足，但小女孩看得出里面摆满了东西。 There was not much light inside the shop，but the little girl could see that the place was full of things. 2．教材佳句　We like cooking at home and make our meals from fresh，seasonal fruit and vegetables.(心理描写) 学后仿写　这个男孩很喜欢打篮球。 This boy takes great delight in playing basketball. Ⅲ.品质升华 The saying “You are what you eat.” is about food and health.Can you think of some other English sayings？And what are their Chinese meanings? (Creative Thinking创造性思维) (1)If food is deficient in calcium, the bones and teeth will be damaged. 食物缺了钙，骨牙就损坏。 (2)People should be safe and eat less dinner. 人要自安，少吃夜餐。 (3)An apple a day keeps the doctor away. 每天一个苹果，无需医生进门。/每天一苹果，医生远离我。 学生用书第13页 ◎ ①cold truth 客观事实 ②behind prep.是……产生(或发展)的原因 ③saying n．谚语，格言，警句 ④put...to the test 使……受考验，使……受检验 ⑤lifestyle/'laɪfstaɪl/n.生活方式 ⑥belong to 属于 belong/bɪ'lɒ/v.属于 ⑦recognise vt.辨别出 recognition n．认出；承认 ⑧not enough room/no room to swing a cat(地方或空间)小得无法转身 swing/swɪ/v.(使)(前后)摆动，(使)摇摆 ⑨end up(尤指经历一系列意外后)最终处于，到头来 ⑩dairy-free adj.不含乳制品的 [构词法]-free加在名词后构成形容词，表示“无……的，不含……的”，如trouble-free(无忧无虑的)，salt-free(不含盐的)，duty-free(免税的)等。 ⑪catch up打听(不在时所发生的事情)，别后叙谈 ⑫bring up 抚养，养育 ⑬construction/kən'strʌkʃ(ə)n/n.建造，建筑 construction workers 建筑工人 a construction site 一片建筑工地 ⑭more or less 几乎，差不多；大约 ⑮satisfying/'sætɪsfaɪ-ɪ/adj.令人高兴的，令人满意的 satisfied adj.满意的，满足的 satisfy vt.使满意，使满足；满足(要求，需要等) ⑯pretty adv.很，非常；相当 ⑰do a shop 去采购 ⑱ready meal n．预制餐(加热即可食用) ⑲convenient/kən'viːniənt/ adj.方便的，便利的 convenience n．方便；便利的事物(或设施) ⑳be busy doing sth 忙于做某事 ㉑kind of有点儿，有几分 ◎ Cold Truths① Healthy You! Is there any truth behind② the saying③“You are what you eat”？We put this to the test④by asking five people to open their fridge doors and talk about their lifestyles⑤.Can you guess which fridge belongs to⑥ which person？Maybe you can recognise⑦ your own fridge here! Ellie 24　 Junior doctor There's not enough room to swing a cat⑧ in my small apartment，so I don't cook very often.My fridge is usually half empty and I'm often too tired to eat much anyway[1].I often end up⑨ saving part of my meal for the next day.Some evenings，I'll just have something quick，like toast，or even just a yoghurt with honey.As a doctor，I know I had better change the way I eat，but I just don't have the time or the energy right now.[2] [1]“too...to...”意为“太……而不能……”，too后接形容词或副词，动词不定式作结果状语。 [2]本句为but连接的并列句。第一个分句中，I had better change the way I eat为省略了连接词that的宾语从句作动词 know 的宾语，其中I eat是省略了关系词that的定语从句，修饰先行词the way。 Jenny 31　 Teacher My husband and I avoid all products that come from animals.This means we don't eat meat，and any milk or cheese had better be dairy-free⑩.We like cooking at home and make our meals from fresh，seasonal fruit and vegetables.Cooking together gives us a chance to relax and catch up⑪ on each other's days.[3]If we have children，I want to bring them up⑫just like us，but my husband says that everyone should be able to make their own lifestyle choices. [3]动词-ing 形式短语Cooking together作主语，谓语动词用单数形式。and连接两个并列的动词不定式to relax和catch up on each other's days作后置定语(catch前省略了to)，修饰名词a chance。 Ted 35　 Construction⑬ worker Each day at the construction site is more or less ⑭ the same—tiring! When I get back home，there's nothing more satisfying⑮ than a big meat dinner[4].I guess 学生用书第14页 I've always been a big meat eater and in this house，no family meal is complete without some form of meat[5].I still don't think that anything can beat my mum's homemade sausages，though. [4]此处使用“否定词＋比较级”表示最高级含义，意为“再没有比……更……，再……不过了”。 [5]此处使用了双重否定结构，表示肯定含义。 Mike 49　 Chef With five children，we're one big family! My wife and I both work full-time，so life can get pretty⑯ busy! Like a lot of chefs I know，I don't really do much cooking at home.Sometimes I bring home food from the restaurant where I work.Once a week，we do a big shop⑰ and buy a lot of frozen food.I know we should eat more fresh fruit and vegetables，but ready meals⑱ are so convenient⑲. Max 19　 College student There are five of us living in our shared student house.[6]My mum says I need to have three healthy meals a day，but I'm too busy⑳ studying and meeting friends! We don't really buy fresh food，and I suppose the fridge could be kind of㉑ cleaner...I daren't let my mum see this photo! [6]本句是There be句型，动词-ing 形式短语living in our shared student house 作后置定语，修饰名词 five of us，其中过去分词shared作前置定语修饰student house。 ◎ 客观事实 你要健康！ 俗话说“人如其食”，这是真的吗？为了检验这句话，我们邀请五个人打开自己的冰箱，并聊聊他们的生活方式。你能猜出哪个冰箱属于哪个人吗？也许你能在这里看到自家冰箱的影子哦！ 埃莉　24岁　实习医生 我的小公寓连转身的空间都没有，所以我不常做饭。我的冰箱通常都是半空的，反正我也经常累得吃不下多少。我常常会把一部分饭菜留到第二天吃。有的晚上，我会只吃些快捷食品，比如吐司，或者只是酸奶配蜂蜜。作为医生，我知道我最好改变这种饮食方式，但我现在完全没有时间和精力。 珍妮　31岁　教师 我和我丈夫什么动物制品都不吃。这意味着我们不吃肉，奶或奶酪也最好不是动物乳制成的。我们喜欢在家做饭，用新鲜的时令水果和蔬菜来烹饪。一起做饭给了我们放松的机会，也让我们有机会聊聊彼此日常的情况。如果我们有了孩子，我想按照我们的生活方式养育他们，但我丈夫说，每个人都应该有权选择自己的生活方式。 特德　35岁　建筑工人 建筑工地上每天都差不多——累！回家后，什么都比不上一顿肉食大餐更让人心满意足了。我想我一直都挺爱吃肉的，在我家没有一顿饭是完全没有肉的。不过，我还是觉得什么也比不上我妈妈做的香肠。 学生用书第15页 迈克　49岁　厨师 我们有五个孩子，是一个大家庭！我和我的妻子都有全职工作，所以日子过得相当忙碌！就像我认识的许多厨师一样，我在家里并不怎么做饭。有时候我会从上班的餐馆带一些吃的回来。我们每周大采购一次，会买许多速冻食品。我知道我们应该多吃些新鲜水果和蔬菜，但是即食食品真的很方便。 马克斯　19岁　大学生 我们五个人共住一间学生公寓。妈妈常说，每日三餐要吃得健康，但我的学习和社交生活太忙了！我们不怎么买新鲜食物，而且我觉得冰箱应该再干净点儿……我可不敢让我妈妈看到这张照片！ ◎核心单词——练通 1．the door's handle 门把手 2．download the material 下载材料 3．a balanced diet 均衡的饮食 4．accept our tips 采纳我们的建议 5．various customs 各种各样的风俗 6．table manners 餐桌礼仪 7．trick or treat 不给糖就捣乱 8．dinner plates 餐盘 9．differ in colour 颜色不同 10．be incredibly shy 非常地害羞 11．the construction site 建筑工地 12．no room to swing a cat 连转身的空间都没有 13．identify the theme of the meeting 确定会议主题 ◎拓展单词——用活 1．function n．(事物的)功能；作用→functional adj.实用的；功能的 2．related adj.有关系的，相关的→relate v．与……有联系，相关联→relative n．亲戚→relation n．关系 3．addict n．对……着迷的人→addicted adj.入迷的，上瘾的→addiction n．上瘾，沉溺 4．slightly adv.略微，稍微→slight adj.轻微的，少量的 5．recommend v．推荐→recommendation n．推荐信 6．attack v．侵袭，侵蚀→attacker n．攻击者 7．satisfying adj.令人高兴的，令人满意的→satisfy v．使满意，使满足→satisfied adj.感到满意的→satisfaction n．满意 8．convenient adj.方便的，便利的→conveniently adv.便利地→convenience n．便利 9．adapt v．(使)适应，(使)适合→adapted adj.适应的→adaptation n．适应 10．official n．官员，高级职员→officially adv.正式地；官方地 11．resist v．忍住，按捺→resistant adj.抵抗的；抵制的→resistance n．反对；抵制 规律：动词＋-ing构成形容词 第一种：表示感觉、感受的动词＋-ing表示“令人……”。 示例：satisfy → satisfying adj.令人高兴的，令人满意的 interest → interesting adj.有趣的 annoy → annoying adj.令人烦恼的 frighten → frightening adj.令人害怕的 ◎阅读单词——识记 1．a bottle of honey 一瓶蜂蜜 2．an experienced chef 一位有经验的厨师 3．read the food blog 阅读美食博客 4．taste bitter 尝起来很苦 5．acid soils 酸性土壤 6．a nice big steak 一块美味的大牛排 7．at the local bakery 在当地的面包店 学生用书第16页 8.try a new recipe for the first time 首次试用新的食谱 ◎重点短语——再现 第一组　汉译英 1．解决，算出；实现 work out 2．购买，买 pick up 3．以防万一 in case 4．属于 belong to 5．(尤指经历一系列意外后)最终处于，到头来 end up 第二组　英译汉 6．catch up 打听(不在时所发生的事情)，别后叙谈 7．bring up 教育；养育；提出 8．make the most of 充分利用 9．share...with... 同……分享…… 10．try out 试用；试验 ◎典型句式——默背 根据课文语境及汉语提示完成句子 1．句型公式　what引导的表语从句 教材原句　Is there any truth behind the saying “You are what you eat”？ 俗话说：“人如其食”，这是真的吗？ 2．句型公式　the way后跟定语从句 教材原句　As a doctor，I know I had better change the way I eat，but I just don't have the time or the energy right now. 作为医生，我知道我最好改变这种饮食方式，但我现在完全没有时间和精力。 3．句型公式　动词-ing 形式短语作主语 教材原句　Cooking together gives us a chance to relax and catch up on each other's days. 一起做饭给了我们放松的机会，也让我们有机会聊聊彼此日常的情况。 Ⅰ.核心词汇练全 related adj.有关系的，相关的 (1)(be) related to 与……有关系/有关联 (2)relate v. 联系；讲述 relate sth to sb 向某人讲述某事 relate to 与……有关系/关联；涉及；谈到 (3)relation n. 关系；联系 in/with relation to 关于；与……相比 (经典例句)(2023·全国乙卷) Apart from the knowledge and skills related to my major, I'm really good with computers.除了专业相关的知识和技能外，我还很擅长电脑。 单句语法填空/完成句子 ①We were all concerned about the side effect the medicine brings, so we asked the related (relate) doctor ahead of schedule. ②The husband and wife are always quarreling and their relations (relate) are breaking up. ③He later related the whole story to me, which made me very happy. ④据说这部英文短片主要与我们学校的发展有关。 It is said that the short English film is mainly related to the development of our school.(应用文写作之告知信) addict n．对……着迷的人 学生用书第17页 (1)addicted adj. 上瘾的；入迷的 be/become addicted to... 沉迷于……；迷上……(to为介词) (2)addiction n. 上瘾；入迷 addictive adj. 使人上瘾的 (教材原句) So, if you're a sugar addict and aren't able to say no to chocolate or cola, you had better download it now！所以，如果你是一个爱吃糖的人，不能拒绝巧克力或可乐，你最好现在就下载它！ 单句语法填空/句式升级 ①He was addicted to playing (play) the violin and didn't notice someone walk into his house. ②Some students are now fighting their addiction (addict)to computer games. ③Because he was addicted to computer games, the boy didn't want to study. →Addicted to computer games, the boy didn't want to study.(过去分词短语作状语) [名师点津]　addicted多用于形容人，不用于名词前，一般作表语或后置定语；addictive多用于修饰物。 in case 以防万一 in case of 如果；假使 in any case 无论如何，不管怎样 in no case 决不(置于句首时，句子要用部分倒装) in that/this case 既然那样/这样；在那种/这种情况下 as is often the case (with...) (对……来说)这是常有的事 (教材原句) Sometimes there are so many knives and forks that you dare not pick them up in case you get it wrong.有时有这么多的刀和叉，你不敢拿起它们，以防万一你弄错了。 用case的相关短语填空/句式升级 ①As is often the case, he was late for class, which made his teacher very angry. ②Leaving for work early can keep you calm in case of delays. ③In any case, find an opportunity to have a full and frank talk with her. ④We should in no case do anything that goes against the interests of people. →In no case should we do anything that goes against the interests of people.(部分倒装) (应用文写作之建议信) recommend v．推荐 (1)recommend sth to sb 向某人推荐某物 (2)recommend (doing) sth 建议(做)某事 recommend sb to do sth 建议某人做某事 recommend that...(should) do... 建议……(应该)做…… It is/ was recommended that...(should) do... 有人建议……(应该)做…… (教材原句) Highly recommended! 重点推荐！ 单句语法填空/一句多译 ①The doctor recommended me to take(take) a long rest. ②If you go to Beijing, I recommend visiting(visit) the Summer Palace first. ③He recommended that we (should) read (read)the books related to our lessons. ④老师建议每一个人都应积极参加英语晚会。 →The teacher recommended that everyone (should) take an active part in the English party. →The teacher recommended everyone to take an active part in the English party.(应用文写作之日记) [名师点津]　recommend (建议)后的that从句用虚拟语气，即从句谓语用“(should＋)do”。 学生用书第18页 attack v. 侵袭，侵蚀 (1)attack sb with sth 用某物攻击某人 (2)attack n. 攻击；发作 make an attack on/upon... 对……发起进攻 under attack 受到攻击 have a heart attack 心脏病发作 (教材原句) The sugar in soft drinks forms acid and attacks our teeth for about 20 minutes each time we drink them.每次我们喝软饮料的时候，软饮料中的糖会形成酸并侵蚀我们的牙齿大约20分钟。 单句语法填空/完成句子 ①When an animal is under attack, it can run away or fight back. ②The enemy made an attack on/upon the city last night. ③在我们的日常生活中，我们有时会遇到一些人心脏病发作或突然生病的情况。 In our daily life, we sometimes come across a number of cases where people suffer from heart attacks or they fall ill suddenly.(应用文写作之投稿信) belong to 属于 (1)belong to不用于进行时态和被动语态，后面接人称代词作宾语时，要用宾格形式。 (2)belongings n．财产；所有物 (教材原句) Can you guess which fridge belongs to which person？你能猜出哪个冰箱属于哪个人吗？ 单句语法填空/完成句子 ①He walks in and out as if the house belonged to him. ②In the sixteenth century, fruit and vegetables were to be found only in gardens belonging (belong) to wealthy people. ③未来属于受过良好教育的人。 The future belongs to the well-educated.(应用文写作之演讲稿) [名师点津]　belong to中的to是介词，作后置定语时，形式为“...belonging to”。 end up (尤指经历一系列意外后)最终处于，到头来 end up with 以……结束(后接表具体事物的名词) end up in 以……结束(后接表抽象概念的名词) end up＋形容词/doing... 以……(状况) 而告终 end up as... 最终成为/变成…… (教材原句) I often end up saving part of my meal for the next day. 我常常会把一部分饭菜留到第二天吃。 单句语法填空/完成句子 ①All their efforts end up in failure because of the wrong decision. ②At the dinner we usually begin with soup and end up with fruit. ③He began his life as a poor man and ended up as a millionaire. ④如果你试图记住每件事，你最终会什么都记不住。 If you try to remember everything, you will end up remembering nothing．(应用文写作之建议信) satisfying adj.令人高兴的，令人满意的 学生用书第19页 (1)satisfy vt. 使满意 satisfy one's needs / demands/ curiosity 满足某人的需要/要求/好奇心 (2)satisfied adj. 感到满意的 be/feel satisfied with/ to do... 对(做)……感到满意 (3)satisfaction n. 满意 (much) to one's satisfaction 令某人(非常)满意的是 (教材原句) When I get back home, there's nothing more satisfying than a big meat dinner. 回家后，什么都比不上一顿肉食大餐更让人心满意足了。 单句语法填空/一句多译 ①From the satisfied smile on her face, we can see the performance was satisfying．(satisfy) ②People feel more satisfied with their job if they've achieved something. ③Sarah looked at the finished painting with satisfaction (satisfy). ④使我感到满意的是他通过了考试。 →To my satisfaction，he passed the exam.(satisfaction) →What satisfied me was that he passed the exam.(satisfy) →I was satisfied that he passed the exam.(satisfied) convenient adj.方便的，便利的 (1)It is convenient (for sb) to do sth. (某人)做某事很方便。 sth be convenient to/for sb 对某人来说……是方便的 (2)convenience n. 方便，便利 at one's convenience 在某人方便时 for convenience 为方便起见 (教材原句) I know we should eat more fresh fruit and vegetables, but ready meals are so convenient.我知道我们应该多吃些新鲜水果和蔬菜，但是即食食品真的很方便。 单句语法填空/一句多译 ①Our house is very convenient to/for schools and stores. ②When you are abroad, you'll need some cash in local currency but you can also use your credit card for convenience. ③我们希望在您方便时能接受我们的邀请。 →We hope that you will accept our invitation when it is convenient for you．(convenient) →We hope that you will accept our invitation at your convenience．(convenience) (应用文写作之邀请信) resist v．忍住，按捺 (1)resist doing sth 反对做某事 can't resist doing sth 禁不住做某事 (2)resistant adj. 对……有抵抗力的，抵制的，反抗的 be resistant to... 对……有抵抗力 (3)resistance n. 反抗，抵抗 (教材原句) The combination of spicy, salty, sweet and sour flavours makes Gong Bao Chicken hard to resist. 宫保鸡丁把辣、咸、甜和酸融合在一起，让人难以抗拒。 单句语法填空/升级加黑词汇 ①On arriving home, my son couldn't resist showing (show) off his prize in the English competition. ②You should exercise more to build up your resistance (resist) to infection in cold winter. ③When shopping, people often can't help buying something they don't really need.can't resist buying (应用文写作之投稿) 学生用书第20页 adapt v．(使)适应，(使)适合 (1)adapt to 适应 adapt oneself to... 使自己适应…… (2)adapt...from... 根据……改编 adapt...for... 改编……为……之用 (3)adaptation n. 适应；改编本 (教材原句) What's more, it is easy to make and can be adapted to individual tastes. 而且，它很容易制作，可以适应个人口味。 单句语法填空/同义句转换 ①Gone with the Wind is an American romantic film adapted from the novel of the same name. ②The adaptation (adapt) of the play by the famous writer became popular in the country. ③I believe that you can make a quick adaptation to the new environment. →I believe that you can adapt yourself to the new environment soon.(应用文写作之安慰信) pick up买，购买 (教材原句) So, don't forget to pick up some chicken on your way home and try this recipe out! 所以，别忘了在回家的路上买些鸡肉，试试这个菜谱！ 写出下列句中pick up的含义/完成句子 ①He picked up some French words while living with a Frenchman.(无意中)学会 ②We managed to pick up a few bargains at the auction.(廉价地)买到 ③The equipment picked up the signal from the satellite.接收(信号) ④他自出院以来，身体慢慢地康复了。 He has picked up slowly since he came out of hospital. Ⅰ.一词多义 1．trick A．n. 技巧，诀窍　B．v. 哄骗　C．n. 花招 ①(2023·全国甲卷)However, research suggests that if we practiced patience, we'd be a whole lot better off.Here are several tricks.A ②Many a person has been taken in by that trick.C ③Don't try to trick me with words into giving the secret out.B 2．pick up A．拾起　B．学会　C．好转　D．(开车)接人 ①He picked himself up soon after his failure in business.C ②If you live in Paris, I am sure you will pick up French easily.B ③We drove to the airport the next morning to pick up Susan.D ④The boy picked up the hat for the old man.A Ⅱ.熟词生义 1．Can you tell us your recipe for happiness and a long life？秘诀 2．No sugar in my coffee, please.I'm dieting.节食 学生用书第21页 Ⅱ.典型句式讲透 句型公式：each time 引导的时间状语从句 名词短语each time可用作从属连词，引导时间状语从句，意为“每次”。 用作连词的名词短语还有： (1)表示习惯性、经常性的动作或“第几次做某事”，常见的这类短语有(the) next time、(the) last time、the first/second/...time等。 (2)表示具体的某个时间概念，含有“……的那天/那年”等，常见的这类短语有the year、the day、the week、the month等。 (3)表示“一……就……”，常见的这类短语有the moment、the instant、the minute、the second等。 (教材原句) The sugar in soft drinks forms acid and attacks our teeth for about 20 minutes each time we drink them. 每次我们喝软饮料的时候，软饮料中的糖会形成酸并侵蚀我们的牙齿大约20分钟。 完成句子 ①每次我去北京的时候，我都会去参观长城。 Each time I went to Beijing, I would visit the Great Wall.(应用文写作之告知信) ②我记得最后一次你访问我们学校时，你让我看了有关那个主题的照片。 I remember you showed me some photos on that theme the last time you visited our school．(应用文写作之咨询信) ③老师一进教室就被同学们团团围住了。 The moment/ instant/ minute/ second the teacher entered the classroom, she was surrounded by students.(应用文写作之日记) 句型公式：too...to...太……而不能…… 句中为“too...to...”句型，意为“太……而不能……”，是一个表示否定意义的句型。 (1)在“too...to...”句型中，too后跟表示情感的形容词anxious、eager、glad、happy、pleased、ready、willing等时，该句型表示肯定意义。 (2)“too...to...”结构和never或not连用时，表示肯定意义，意为“再……也不过分；越……越好”。 (教材原句) My fridge is usually half empty and I'm often too tired to eat much anyway. 我的冰箱通常都是半空的，反正我也经常累得吃不下多少。 完成句子/ 句型转换 ①他太累了，不能再往前走了。 He was too tired to walk any farther.(读后续写之情景描写) ②他急于想知道考试的结果。 He is too anxious to know the result of the examination. ③活到老，学到老。 One is never too old to learn．(应用文写作之投稿) ④The boy is so weak that he can't lift the heavy box by himself. →The boy is too weak to lift the heavy box by himself.(用too...to...结构改写) →The boy isn't strong enough to lift the heavy box by himself.(用enough结构改写) 学科网（北京）股份有限公司 $