新教材-外语教研版高中英语必修1 UNIT 4 Section A　Starting out & Understanding ideas电子教案.doc

课时教案考试词汇advancesignificantlymaintainenabletendlose track ofthrow the baby out with the bathwater（2019全国卷II阅读C改编）It doesn't feel as alone as it may have before the advances in technology.它并不像科技进步之前那样感到孤独拓展】in advance预先，事先in advance of在……之前；超过make advances设法接近，拉关系，献殷勤with the advance of 随着……的增加；随着(时间)的推移advance vt. & adj. 使向前，前进；先进的，事先的advance on / upon 向……推进 / 进攻advance to / towards 晋升到，达到某种状态【图形助记】The effects of the failure can be significantly reduced if we face it bravely.如果我们勇敢面对的话，失败的影响会大大降低。

【拓展】significant adj. 重要的，暗示的，有含义的；明显的significance n. 重要性，重要；意思，意义There are no significant differences between the two groups of students. 这两组学生没有明显差别The new teaching method has great significance for the improvement of the students in study. 新的教学方法对提高学生的学习水平具有重要意义2019天津卷阅读C改编）How does an early-warning system help us maintain the ecological balance？预警系统如何帮助我们维持生态平衡？【拓展】maintain … at 把……保持在maintain on依靠……供养maintain with与……保持maintainable adj. 可维持的，可保存的maintainability n. 修护性，可坚持性，可维持性Based on modern software engineering technique, it has high maintainability.基于现代软件工程技术，具有高度可维护性。

图形助记】MaintainThis dictionary enables you to understand English words.这本词典使你能理解英语词汇拓展】enable sb. to do sth.使人能做某事able adj. 能be able to do sth.能做某事A bird's wings enable it to fly.鸟的翅膀使鸟能飞I hope at least my daughter was able to offer you some useful pointers. 我希望至少我的女儿为你提供了一些有用的建议词语辨析】enable, able这两个词都可接动词不定式其区别在于：able to- v 的意思是“能够”；而enable to- v 的意思是“使能够”另外，able是形容词；而enable是动词，其后须接宾语图形助记】（2019全国卷I七选五改编）Just as importantly, we tend to associate air with health care.同样重要的是，我们倾向于将空气与医疗保健联系起来拓展】tend to do sth.倾向于做某事tend on / upon照顾，服侍tend to / towards照料，照管tendency n. 倾向，趋向Ambulance crews were tending to the injured. 救护车上的救护人员在照料受伤者。

She is tending on the old woman to go to bed. 她正服侍那位老太太去睡觉图形助记】Sometimes we are so engrossed in our work that we lose track of time.有时我们工作时太全神贯注了以至于都忘记了时间拓展】on sb's track / on the track of 追踪某人；寻找某人或某物keep track of保持联系track down追捕到，追查出I use a small notebook to keep track of all the new sentences I learn. 我用一个小笔记本记录我所学到的所有新句子We finally tracked down our lost companion in a public house.我们终于在一家酒馆里找到了我们失散的伙伴图形助记】In looking at this problem, though, we didn't want to throw the baby out with the bathwater.尽管是有这样的问题存在，我们也不会不分良莠一起抛弃的。

She is always a person who throws the baby out with the bathwater if something is wrong.一旦有问题发生，她是一个一起否定的人拓展】throw about 盛气凌人，骄横跋扈throw at投向，掷向throw down抛弃，拒绝throw dust in sb's eyes欺骗throw into把……扔进……；投身于throw out提出（暗示、建议等）【词语辨析】throw sth to sb和throw sth at sb二者区别在于：前者是“把某物扔给某人”，含有让某人接住某物的意味，是善意的；而后者的意思是“把某物向某人扔去”，含有寻衅的意味，是恶意的图形助记】n. 进步，进展adv. 重大地，显著地vt. 保持，维持vt. 使可能，使发生vt. 易于做某事，往往会发生某事失去联系不分良莠一起抛弃阅读词汇lick vt. 点击faraway adj. 遥远的digital adj. 数字的，数码的unusual adj. 异常的，不平常的meaningful adj. 有意义的site n. 网站criminal n. 罪犯关键句型1. What if the only way of getting news from faraway friends was writing letters? 如果从远方的朋友那里得到消息的唯一途径就是写信怎么办?（P38）【句型分析】本句中what if …?是一个常用句型，意为“如果……怎么办？”其实what后面省略了will you do，即What will you do if …？【思维拓展】本句型是询问对方对某事的看法的句型，类似的句型还有：What are your comments about ...? What's your opinion about ...? Do you have any idea about ...? How do you see ...? What do you think of / about...? How do you think ...?How do you find …？2. Thanks to advances in technology, how we make friends and communicate with them has changed significantly. 由于科技的进步，我们交朋友和与他们交流的方式发生了很大的变化。

P38）【句型分析】本句是一个主从复合句，thanks to是复合介词，其短语在句中作状语，含有感激之意；how引导的名词性从句在句中作主语句型结构】原因状语 谓语（不跟宾语）Thanks to …, how we make friends and communicate with them has changed significantly. 主语从句 程度状语【思维拓展】名词性从句在句中可作主语、表语、宾语和同位语；当一个名词性从句作主语时，谓语动词的单复数是由从句的数量决定的，即一个句子是单数，两个以上是复数；若what引导的名词性从句作主语，谓语动词的数是由该句所表达的含义而定，即本句含义为复数，谓动用复数，反之用单数3. Social media tools let us see what our friends are up to, and maintain friendships without missing a beat.社交媒体工具让我们了解我们的朋友在做什么，保持友谊而不失控制。

P38）【句型分析】本句是一个主从复合句let sb. do sth.是动词复合结构，意为“让某人做某事”，省略to的不定式作宾补；what引导名词性从句作see的宾语；be up to固定搭配，意为“正在做”思维拓展】表示“某人正在做某事”be doing sth是常用结构，表达一般用法，即正在发生的动作；而be up to常用语一种带有感情色彩的意为，含有娱乐、调侃、责备等含义—What are you doing now, Xiao Wang? —Oh, I’m reading a new article in the newspaper.——小王，你现在在干什么？——哦，我正读报纸上的一篇新文章When our teacher saw us playing with our cell-phones,。