1、Unit 3Inventors and inventions1science n. 科学2.scientist n. 科学家3scientific adj. 科学的 4.analyse v. 分析5invent v. 发明 6.create v. 创造7creative adj. 有创造力的 8.creativity n. 创造力9register v. 登记；注册 10.advantage n. 优势11simplify v. 简化 12.equip v. 装备；配备13conclude v. 总结 14.research n. 研究15accurate adj. 精确的 16.downlo
2、ad v. 下载17technology n. 技术 18.replace v. 取代19function n. 功能 20.contribution n. 贡献1be flooded with充斥着2be faced with new opportunities and challenges面临新的机遇和挑战3become/feel comfortable with对得心应手4come into being/existence形成；产生5in the field of science在科学领域6carry out scientific experiments开展科学实验7improve th
3、e quality of life提高生活质量8make contributions to society为社会做贡献9make a breakthrough取得突破10remote control遥控1Well feel more comfortable in the room with its temperature controlled by new building materials.屋子的温度由新型建筑材料控制，因此在室内我们会更舒适。2Many scientists doubt whether the new type of medicine has side effects.许
4、多科学家怀疑这种新型的药物是否会有副作用。3We may think were a culture that gets rid of our worn technology at the first sight of something shiny and new.我们也许认为我们处在一个看到闪耀崭新的东西时就会扔掉用旧的科技的时代。1China has successfully launched the Change4 onto the moon, of_which we Chinese are all proud.中国成功发射嫦娥四号到月球，我们所有中国人为之自豪。2Stephen Haw
5、king believes that the earth is_unlikely_to be the only planet where life has developed gradually.斯蒂芬霍金认为地球不可能是唯一的生命逐渐发展的星球。3The professor is easy_to_approach,_and all the young teachers like to ask for advice from him.这位教授平易近人，所有的年轻教师都喜欢向他请教。 教材单词写准并记牢.重点单词1dial vt. 拨(电话)2claim n& vt. 要求；声称；主张3abru
6、pt adj. 突然的；意外的4seize vt. 抓住；捉住；夺5file n. 文件；档案；文件夹 vt. 提交；将归档6ripe adj. 成熟的；熟的7bear vt. 忍受；忍耐；负担8tap v. 轻打；轻拍；轻敲 n. 轻轻地敲击(声)；(水)龙头9stable adj. 稳固的；稳定的；安定的10current n. (水或气)流；电流 adj. 现在的；当前的11passive adj. 被动的；消极的；被动语态的.拓展单词1distinguish vi.& vt. 显示的差别；使有所不同；辨别distinguished adj. 著名的；卓越的2merciful adj.
7、宽大的；仁慈的；慈悲的mercy n. 宽恕；仁慈3product n. 产品produce v. 生产producer n. 生产者；制片人4convenient adj. 便利的；方便的；就近的convenience n. 方便；便利conveniently adv. 便利地5caution n. 小心；谨慎cautious adj. 小心的；谨慎的cautiously adv. 小心地；谨慎地6expectation n. 预料；期待；期望expect v. 预料；期待；期望；认为7recognition n. 认出；认可；承认recognize vt. 认出；承认8freezing a
8、dj. 冰冻的；严寒的freeze v. 冰冻frozen adj. 冻结的9identification n. 鉴定；辨认；确定；身份证明identity n. 身份；同一性identical adj. 同一的；完全相同的identify v. 确定；鉴别10innocent adj. 清白的；天真的；无罪的innocence n. 天真；清白11occasionally adv. 偶然地；不时地occasional adj. 偶然的occasion n. 时机；机会；场合12associate vt. 联想；联系 n. 同伴；伙伴association n. 联系；联盟；协会13pract
9、ical adj. 实际的；实践的；实用的practice n& vt. 实践；练习.阅读单词1patent n专利证书；专利权2courtyard n院子；庭院；天井3perfume n. 香水；香味 4cube n. 立方体；立方5merry adj. 愉快的；高兴的 6string n. 线；绳子；一串7valid adj. 有效的；确凿的 8greengrocer n. 蔬菜水果商；蔬菜水果店9jam n. 堵塞；阻塞；果酱 10microphone n. 麦克风；话筒11dynamic adj. 充满活力的；精力充沛的；动态的；发展变化的12personnel n. 人力资源；人事部
10、；全体人员13multiple adj.多种的；多样的；多类型的n倍数14extension n. 电话分机；扩大；延伸 15directory n. 电话簿；商行名录16rainfall n. 降雨 17forehead n. 额头18competence n. 能力；胜任；本领高考与教材1.(2019天津卷)I was ready to pay for my bananas at the grocery one night, when fear seized (seize) me.2(2018江苏卷)In that case, it is both convenient (convenie
11、nce) and economical to buy books according to the ratings.3(2017北京卷)Machines with specific purposes are associated (associate) with living things partly because they might be able to prevent themselves from being destroyed.4(2017天津卷)As expected (expect), I got a roasting, but I now understand why I
12、needed discipline. 教材短语写准并记牢1.call_up 给打电话；使想起2now_and_then 偶尔；有时3set_about_doing 开始做；着手做4dive_into 迅速把手伸入；一心投入5set_out_(to_do) 开始(做)6hang_on 不挂断；稍等；紧紧握住7out_of_order 次序颠倒；发生故障8get_through 设法联系上(尤指打通电话)；(设法)做完；通过；度过9ring_back 回复电话10ring_off 挂断电话11distinguish.from. 把与区别开来高考与教材1.(2019北京卷)This task int
13、erdependence distinguishes baseball from (把与区别开) football and basketball.2(2017北京卷)After a heated discussion, we set_out (开始做) to make a video to record our experiences at school. Three weeks later, we managed to get_through (完成，通过) it. 教材句式写准并记牢1.before 引导的时间状语从句The next morning I got up early befo
14、re_the_sun_was_hot.第二天早上趁天还不太热，我就早早地起床了。2状语从句的省略But once_picked_up,_they tried to bite me.但是它们一旦被捡起来，就试图咬我。3“only状语”置于句首的倒装句Only_after_you_have_had_that_recognition_can_you say that you are truly an inventor.只有你获得那种认证之后，你才能说你是一个真正的发明者。4every time. 每次，引导时间状语从句Every_time you do you will be certain to
15、find something that you have never seen before.每当你这么做的时候，你一定会发现你从未见过的东西。5祈使句and陈述句Follow it up, explore_all_around_it,_and before you know it, you will have something worth thinking about to occupy your mind.跟踪下去，不断探索，不知不觉中，你就会发现某种值得思考的东西占据着你的头脑。高考与教材1.(2019天津卷)Stand_over_there_and (站在那儿) youll be a
16、ble to see it better.2(2018天津卷)The first step in awakening senses is to stop predicting what we are going to see and feel before_it_occurs (在它发生前)1形容词ly 后缀变副词abruptabruptly 突然地convenientconveniently 方便地cautiouscautiously 小心地；谨慎地unexpectedunexpectedly 出乎意料地occasionaloccasionally 偶然地；不时地2后缀ive形容词集锦act
17、ive 主动的passive 被动的positive 积极的negative 消极的subjective 主观的objective 客观的3“偶尔；有时”词汇全接触now and then 偶尔；有时on occasion 偶尔；有时from time to time 偶尔；有时at times 偶尔；有时once in a while 偶尔；有时occasionally 偶尔4“v.into”结构的短语荟萃dive into 一心投入burst into 突然闯入run into 撞上look into 调查knock into 撞上break into 破门而入5“动词back”短语一览t
18、ake back 拿回；撤销bring back 带回；使恢复look back 回顾date back 追溯到keep back 隐瞒；忍住hold back 控制住高频词汇精讲1call up 给打电话；(使)回忆起；召集(开会等)；(海、陆、空军)征召入伍When I called up my mother in the countryside on the telephone she was very upset.我给住在乡下的母亲打电话的时候，她感到很不安。call for 需要；要求；呼吁；(去)接某人call at(火车等)停靠；拜访某地call on 拜访某人call on s
19、b. to do sth. 号召/要求某人做某事call off 取消call out 大声说；召唤某人call in 叫某人进入call back 回电话；再打电话完成句子During the war, many young men were_called_up to fight in the army, the navy or the air force.战争时期，很多年轻人都被征召参加陆军、海军或空军。We called_off the sports meeting because of the rainstorm.由于暴雨我们取消了运动会。Success in school calls
20、_for much hard work.在学校的成功需要付出大量的辛勤工作。Your letter calls_up those pleasant days when we worked together.你的来信使我回想起那些我们一起工作的快乐日子。2distinguish vt. & vi.显示的差别；使有所不同；辨别Here was a chance for me to distinguish myself by inventing something merciful that would catch snakes but not harm them.这回我有机会来表现一下自己了，我要
21、发明某种仁慈的东西，既可以把蛇捉住，而又不会伤害它们。(1)distinguish between A and B区分A和Bdistinguish.from. 把与区分开来distinguish oneself as 作为而出名(2)distinguished adj. 卓越的；著名的；杰出的be distinguished for. 因而出名be distinguished as. 作为而出名(1)单句语法填空Honestly speaking, I admire your distinguished (distinguish) achievements.It is the superior
22、 intelligence and the use of language that distinguish man from the other animals.It is not easy to distinguish between cultured pearls and natural ones.(2)完成句子Its not always easy to_distinguish the good guys from the bad ones.分清好人和坏人并不总是那么容易。3set about 开始；着手；出发；动身I set about researching the habits
23、of snakes to find the easiest way to trap them.我着手研究蛇的习性，以便能找到捕蛇的最简易的方法。set about sth./doing sth.set out to do sth. 开始/着手(做)某事set out 出发；起程set off 出发；动身；使爆炸set aside 留出；对不予以考虑set down 记下；写下set up 建立；开办；开业；树立；造成；产生(1)单句语法填空We will set about putting (put) up tents for victims in the earthquake as soon
24、 as we reach there.After the meeting, I set out to_write (write) a report on our next terms work.As a traditional way to celebrate the Spring Festival, setting off firecrackers is welcomed by most Chinese people.He is used to setting down his important thoughts in his diary.(2)完成句子She set_about_writ
25、ing_the_report/set_out_to_write_the_report after breakfast and handed it in at noon.她早饭后开始写报告，中午就上交了。4.convenient adj.便利的；方便的；就近的They abruptly disappeared into a convenient hole in the wall.它们突然就消失在附近的墙洞里去了。(1)It is convenient for sb. to do sth.做某事对某人来说是方便的be convenient to. 对方便(2)convenience n. 方便；便
26、利；适宜；省事at ones convenience 在某人方便的时候；在适宜某人的地方for convenience 为了方便完成句子I live just by the market, and its_very_convenient (for me) to go shopping.我家就住在市场旁边，买东西很方便。We bought this house for_convenience;_its near the shops and the railway station.为了方便起见我们买了这座房子，它靠近商店和火车站。Ill call in two weeks to arrange a
27、 meeting at_your_convenience.我会在两周后再打电话，把会议安排在您方便的时候。5caution n&vt. 小心；谨慎；警告This time with great caution I bent down to examine the snakes and I found them very sleepy.这一次我小心翼翼地蹲下去检查，我发现蛇正在犯困。(1)with caution 小心地give sb.a caution 告诫某人(2)cautious adj. 小心的；谨慎的be cautious about/of. 对小心谨慎be cautious to d
28、o sth. 做小心谨慎(1)单句语法填空The teacher gave Tom a caution (cautious) and told him never to do it again.The students should be cautious not to_make (make) any mistakes in spelling.The girls were afraid of snakes and picked their way along with extreme caution.(2)完成句子As far as Im concerned, we should be_cau
29、tious_about investing in this project.在我看来，我们应该对这个项目的投资持谨慎态度。6.seize vt.抓住；捉住；夺取；攻占I decide to seize the opportunity to get recognition for my successful idea by sending my invention to the patent office.我决定抓住这次机会把我的发明送到专利局去，请他们对我这次成功的想法给予认定。seize sb. by the collar/the arm抓住某人的衣领/胳膊seize the opportu
30、nity 抓住机遇；抓住机会seize the day 把握今天seize the moment 把握时机；把握此刻(1)单句语法填空The policeman seized him by the arm and took him to the police station.Seize (seize) the chance, otherwise youll regret it.(2)完成句子Seize_the_day because you never know what tomorrow will be like.珍惜今天，因为你永远不知道明天将会怎样。7bear (bore, borne)
31、 vt. 忍受；忍耐；负担；生育I cannot bear the smell of burnt sausage on the barbecue.我忍受不了架子上烤香肠的味道。(1)cant bear doing/to do sth.不能忍受做cant bear sb./sb.s doing/to do sth.不能忍受某人做某事bear a heavy burden肩负重担bear responsibility承担责任bear/keep sth. in mind记住bear in mind that. 记住(2)bearable adj.可忍受的；忍得住的(1)写出下列句中bear的含义Wh
32、y do I have to bear all the costs of repair？负担；承担She couldnt bear the thought of leaving her parents.忍受She did bear a healthy baby in hospital yesterday.生育The document bore her signature, address and telephone number.带有(2)单句语法填空I cant bear people smoking/to_smoke (smoke) in my office while Im workin
33、g.I think this task is bearable (bear), so I will take it.The truth was that she bore (bear) the responsibility for most of the changes.The ice was not thick enough to_bear (bear) the weight of marching men.(3)完成句子My mother often reminds me to bear/keep_in_mind that failure is the mother of success.
34、妈妈经常提醒我要记住“失败乃成功之母”。8associate vt.联想；联系；n.同伴；伙伴Although he is most often associated with the invention of the telephone, he was indeed a continuing searcher after practical solutions to improve the quality of everybodys life.虽然他最常与发明电话联系在一起，但是他的确是一个永不停息的探索者，不断寻求着改善人们生活质量的可行方法。(1)associate.with. 使与联系
35、起来；结合；合伙associate with sb. 与某人交往；共事be associated with 与有关(2)association n. 联合；联想；交往；协会；社团in association with 与联合；与有关联(1)单句语法填空There are many serious health problems which are associated (associate) with smoking.We naturally associate the name of Darwin with the theory of evolution.We are working in
36、association (associate) with a local company to raise money for the homeless.(2)写作运用This exhibition was organized by the local government in_association_with several papercutting artists.这次展览是由当地政府联合一些剪纸艺术家共同组织的。9.get through完成；通过；接通电话；度过(时间)；消耗；用完I cant get through.我打不通电话。get along with sb.与某人相处；进展
37、get away with sth.携某物潜逃；不因某事受惩罚get down to sth./doing sth.开始做某事；认真处理某事(1)写出下列句中get through的汉语意思Hardly could he get through this amount of work in such a short time.做完Ive been trying to ring up for a long time but I couldnt get through.打通电话She found writing helped her get through the rough days.度过Luc
38、kily, he got through the exam and his efforts paid off.通过The little boy got through all his money in just one week and had to ask his mom for some more.用完(2)完成句子He felt very ashamed to get_away_with a fine for such a serious mistake.犯了这么严重的错误只交了罚款了事，他感到非常羞愧。As an outgoing girl, I nearly get_along_we
39、ll_with everyone around me.作为一个外向的女孩，我几乎和我身边的每个人都相处得很好。His father telephoned the police station, but it couldnt get_through.他父亲给警察局打电话，但是无法接通。重点词汇点拨1now and then 偶尔；有时every now and then 常常；不时地up and down 上下；来回here and there 到处；处处to and from 来来回回；往返day and night 夜以继日地Every_now_and_then I like to walk
40、 along the beach and forget my problems.我常常喜欢沿着海滩散步来忘记我的难题。2merciful adj.宽大的；仁慈的；慈悲的(1)be merciful to 对仁慈(2)mercy n仁慈；宽容；怜悯 对怜悯at the mercy of 任的摆布(3)merciless adj.无情的；残忍的I pray you to show mercy to the child.After the Paris attacks, French President said his country wouldnt have mercy on IS and wou
41、ld intensify air strikes against it.Wed better teach all other people to be merciful (mercy)3abrupt adj. 突然的；意外的abruptly adv. 突然地；唐突地abruptness n. 鲁莽；唐突He abruptly (abrupt) changed his mind before the final day.4expectation n. 期待；预料；前程(1)beyond expectation/all expectations 出乎意料；没想到in expectation of
42、期待/期望live up to sb.s expectations 不辜负某人的期望(2)expect vt. & vi. 期待；期望；预期；指望as expected 正如料想的(那样)expect (sb.) to do sth. 期盼(某人)做某事I am sure that you can perfectly live_up_to_my_expectations.我相信你决不会辜负我的期望。5innocent adj. 无辜的；清白的；无罪的；天真的(1)be innocent of a crime 无罪的an innocent child 一个天真的孩子innocent fun 无恶
43、意的玩笑be innocent of sth. 缺乏/没有某物(2)innocence n. 无罪；无知；天真In a courtroom it is sometimes difficult to recognize who is innocent (innocence) and who is guilty.6practical adj. 实际的；实践的；适用的(1)practical experience 实践经验(2)practice v. & n. 练习；做法put.into practice 把付诸实施in practice 在实践中out of practice (因久不练习)荒废；
44、生疏practice doing sth. 练习做He practised playing (play) the piano in his spare time.His invention was so practical (practice) that he soon got a patent.7hang on 不挂断；稍等；紧紧握住hang up挂电话hang off挂断(电话)；踌躇不前We all hung_on as the bus swung around a sharp turn.公共汽车急转弯时，我们都紧紧抓住扶手。8out of order 次序颠倒；发生故障(1)in or
45、der 按顺序；整齐；状况良好place an order (for)订购(2)order sb. to do sth. 命令某人做某事order that.(should) do 命令Not that the machine is out_of_order,_but that I have not learned to operate it.不是机器出了故障，而是我还没有学会操作它。Lets number the letters of the alphabet, in_order,_from 1 to 26.让我们把字母表里的字母从1排到26。典型句式精析1Follow it up, exp
46、lore all around it, and before you know it, you will have something worth thinking about to occupy your mind.跟踪下去，不断探索，不知不觉中，你就会发现某种值得思考的东西占据着你的头脑。本句为“祈使句and陈述句”句式。祈使句相当于if引导的条件状语从句(1)“祈使句and陈述句”表示祈使句与后面的句子是顺承关系(2)“祈使句or/or else/otherwise陈述句”相当于“if否定条件状语从句主句”(3)“名词词组and陈述句”也有上述句式功能，名词词组中常含有more, ano
47、ther等词(1)单句语法填空Lend her a hand, and she will be grateful to you.Send an email to your parents, or they will get annoyed.(2)完成句子Find_ways_to_praise_the_students_often,_and youll find they will open their hearts to you.经常找一些方法表扬学生们，你会发现他们将会向你敞开心扉。2Snakes come near the house now and then，and they seem
48、to have made their home here.蛇偶尔出现在房子附近，它们好像在这里安了家。(1)seem 是连系动词，to have made.作表语，表示动作发生在seem之前(2)It seems as if.看起来好像seem to do 好像做seem to be doing 好像在做单句语法填空What he saw seemed to_have (have) the form of a man.Her mind seemed to_be_wandering (wander) and she didnt recognize us.Frank seemed to_have_
49、undergone (undergo) a change of personality.3But it was not until five days later that Bell sent his first telephone message to his assistant Watson.但是直到五天以后贝尔才跟他的助手沃森通了第一次电话。(1)该句为含有 not.until 的强调句，其构成形式为“it is/was not until.that.”(2)not until位于句首时，主句要用倒装语序，构成“not until从句助动词/系动词/情态动词主语其他”结构(1)单句语法填
50、空It was not until the 1940s that such machines could be built.Not until he informed me of the meeting was (be) I aware that I had not prepared for my proposal.(2)完成句子Bach died in 1750, but it_was_not_until_the_early_19th_century_that his musical gift was fully recognized.巴赫在1750年去世，但直到十九世纪初他的音乐天赋才得到
51、了充分的认可。.单词拼写1The only way not to fall down into the valley is to seize (抓住) the big branch.2A marriage provides a safe and stable (安定的) home for the husband and wife.3You need special software to view the information in the file(s) (文件)4The recession brought an abrupt (突然的) halt to this happiness.5M
52、ore than 100,000 people died per year because of passive (被动的) smoking.6This year, the price of farm products (产品) is likely to go up as a result of drought.7She has such a(n) innocent (无辜的) face that I find it hard to believe anything bad of her.8With this discovery, stainless (不锈的) steel was born.
53、9The news on smartphones saves people much time reading through newspapers for current (当前的) affairs.10I dialed (拨打) 120 and waited there until she was taken to hospital.单句语法填空1The thief dived his hand into my handbag and robbed the wallet and ran away.2The number of tigers has reduced abruptly (abr
54、upt) in the last fifty years.3We all have an expectation (expect) that he can pass the driving test next week.4Id like to place things where it is convenient (convenience) to get them.5He is a very merciful (mercy) man as he always shows great sympathy for those homeless animals.6Leave a basin of wa
55、ter outside in freezing (freeze) weather, and it will soon be covered with ice.7He is a practical (practice) man and doesnt like empty talk.8He took measures to make up his fault, which received our recognition (recognize)9He is always so busy with his work that he has no choice but to go to see his
56、 parents occasionally (occasion)10I cautiously (caution) climbed the stone steps to the front door, but found it shut and locked.11The Chinese Nation which is distinguished (distinguish) for its diligence and courage has attracted the attention from the world.12Those always associating (associate) m
57、oney with happiness may never feel happy, for they are never content.13Follow my advice, and you will make great progress.14The blind man tapped (tap) his cane on the sidewalk and walked to the supermarket.15I cant bear young people casting (cast) away their youth.选词填空call up，now and then，set about，
58、dive into，set out，hang on，out of order，get through，ring back，ring off1The engines of the ship were out_of_order and the bad weather added to the helplessness of the crew at sea.2We set_out to paint the whole house but finished only the front part.3Someone called_up from downtown and asked to see you
59、 at five.4The girl goes to visit her English teacher now_and_then who retired from school last year.5Its the love, and responsibility that have driven him to get_through many hardships and survive.6If you hang_on for a while, I will go and see if I can find your mother.7When you were out, John rang
60、up, and he wanted you to ring him back.8I saw him dive_into the river to save a drowning child.9That evening he set_about writing a report on pollution.10Ill have to ring_off now, because I have a train to catch.完成句子1The water that bears_the_boat is the same that swallows it up.水能载舟，亦能覆舟。2Reading go
61、od books can not only enrich our minds but also teach us to distinguish_between_right_and_wrong.读好书既能丰富我们的知识又能教我们分辨是非。3It was not_until_I_began_to_work that I realized how much time I had wasted.直到我开始工作，我才认识到我已浪费了多少时间。4They are thinking of buying the house before_the_prices_go_up.他们正在考虑趁房价未涨时把房子买下来。
62、5If you have a job, (do)_devote_yourself_to it and finally youll succeed.如果你有了一份工作，为之付出努力，最后你定能成功。.课文回顾When I called up my mother, she told me snakes came near the house now and then and the snakes seemed _1_ (make) home there. Here was _2_ chance for me to distinguish myself by inventing something
63、_3_ (mercy) that would catch snakes but not harm them.I tried to find some products that might help me, but there only seemed to be powders _4_ (design) to kill snakes. I set _5_ researching the habits of snakes. _6_ (prepare) with some research findings, I decided on three possible _7_ (approach).
64、Later I chose the last one to cool the snakes so that they would become sleepy and could be easily caught.My third attempt was successful. I carried in my hand a small net in the _8_ (expect) that the snakes would bite again. But monitored carefully, the snakes proved to be no trouble. I collected t
65、he passive snakes _9_ the next day we _10_ (merry) released them all back into the wild.1to_have_made2.a3.merciful4.designed5.about6Prepared7.approaches8.expectation9.and10merrily.教材写作假定你是李华，你校将于4月26日“世界知识产权日”(The World Intellectual Property Day)举办一次以“科技让校园生活更美好”(Science Makes Life Better on Campus)
66、为主题的创意作品展。请你写封邮件，邀请美国交换生Henry参与展评活动。内容包括：1目的：尊重知识、崇尚科学；2展评时间、地点、内容；3报名方式及截止日期。注意：1.词数80左右；2可以适当增加细节，以使行文连贯；3邮件格式已给出，不计入总词数。Dear Henry，Im_delighted_to_tell_you_that_our_school_is_going_to_hold_an_exhibition_that_focuses_on_the_theme_“Science_Makes_Life_Better_on_Campus”_So_I_am_writing_to_invite_you_
67、to_join_in_it.The_exhibition_will_take_place_in_our_school_art_gallery_on_April_26th,_the_World_Intellectual_Property_Day,_aiming_to_encourage_students_to_respect_knowledge_and_advocate_science._Everyone_present_will_feel_amazed_to_see_lots_of_fantastic_creative_works_from_us_students._I_feel_that_y
68、ou_would_have_something_unique_to_display_in_this_exhibition._If_you_want_to_have_a_go,_you_are_required_to_register_online_at_Science_by_April_1st.Looking_forward_to_your_early_reply.Yours，Li Hua.课文概要写作根据课文内容写一篇60词左右的内容概要。When the writer learned that snakes seemed to have made their home in her hou
69、se. She considered it a chance for her to invent something merciful that would catch snakes but not harm them.(要点1)She set about researching the habits of snakes. She decided to cool them so that they could be easily caught. However, her first two attempts were not successful.(要点2)As a result, she attempted a third time, which fulfill her aim successfully.(要点3) She determined to send her invention to the patent office to get recognition for her successful idea.(要点4)
