2021版外研版必修三英语Unit 3 The world of science Section A ppt课件.pptx

1、UNIT 3 The world of science Section A Starting out & Understanding ideas 题组练领悟方法 核心词汇核心词汇 词汇一词汇一 press （1）v. 按，压；催促，敦促按，压；催促，敦促 （2）n. 新闻界；新闻报道新闻界；新闻报道 教材原句 Presently I am going to press the lever，and off the machine will go. 现在我要按一下操纵杆，机器就开动了。 要点必记 （1）press. against. 把贴在上 press sb. to do sth. 催促某人做某

2、事 （2）under pressure 处于压力下 relieve/reduce pressure 减轻压力 put pressure on sb. 向某人施压 blood pressure 血压 单词积累 pressure n. 压力；劝说，强迫 单句语法填空 （1） Michael took a few steps backwards and pressed his back_ the wall. （2） They are pressing us_（make） a quick decision. （3） In recent years，stress has been regarded as

3、 a cause of a whole range of medical problems，from high blood_（press）to mental illness. 单句写作 （4）Im_ _（处于压力下）from my parents to become a teacher. （5）The company may have_ _ _ _ （向她施加压力） to agree. against to make pressure under pressure put pressure on her 词汇二词汇二 shoot v. 射出（光、亮等），放射；射杀，射伤射出（光、亮等），放射；

4、射杀，射伤 教材原句 A faint blue light shot across it，darkening to purple，and presently she could see the image of her son， who lived on the other side of the earth，and he could see her. 一道微弱的蓝光射过 它，暗到紫色，不 一会儿她就能看见她儿子的影像，他住在地球的另一边，他也能看见她。 要点必记 （1）shoot sb. in the leg/head 射中某人的腿/头 shoot at 向射击（表示动作， 不一定射中） s

5、hoot sb. dead 开枪打死某人 （2）take a shot at 对射击 take a shot of 给拍照 图解辨异 shoot at/shoot 单句语法填空 （1） He ordered her to shoot _the apple with one of her arrows. （2） The cruel man took a_（shoot）at the camel，but missed. （3） The murderer shot the expert in_ back and stole the diamond from his suitcase. （4） I to

6、ok_ shot of the beautiful scenery in the desert. 单句写作 （5） As the birds rise，the hunters_ _ _（向它们射击）. （6） He admitted that he had_ _ _ _ _ _ （打中了熊的腿）. （7） I_ _ _ _ _ _（射门）when I was open. at shot the a shoot at them shot the bear in the leg took a shot at the goal 词汇三词汇三 as well as 以及，也，还以及，也，还 教材原句

7、For example，advances in virtual reality and wearable tech，as well as the flexible battery，mean we should soon be seeing further developments. 例如，虚拟现实、 可穿戴技术 以及柔性电池的 进步，意味着我们应该很快就能看到进一步的发展。 要点必记 （1）A as well as B（A 和 B 所作的句子成分相同） （2）as well as +v. -ing；As well as.= In addition to./Besides. （3）to do.a

8、s well as do. 学法点拨 （1）A as well as B 强调 A，作主语时，谓语动词与A 的单复数保持一致。 （2）not only A but（also）B 强调 B，作主语时，谓语动词与 B 的单复数保持一致。 单句语法填空 （1） As well as _ （play）the piano，the actress can sing well. （2） You cannot expect her to do the housework as well as_ （educate） the children. （3）词汇复现Helen as well as I_（be）eage

9、r to read the adventure stories. （4）词汇复现I as well as they_（be）unable to recognise our old teacher. （5）词汇复现Not only I but also Mary_（make）a living by teaching. 单句写作 （6） Electric energy can be changed into light energy_ _ _ _（也 可转化成）sound energy. （7） 玛丽和我都填写了一张表格。 _ _ playing educate is am makes as we

10、ll as into Mary as well as I has filled out a form./Not only I but also Mary has filled out a form. 词汇四词汇四 in addition 除此之外，另外除此之外，另外 教材原句 In addition，important advances have been made in medicine and environmental science thanks to increasing computer power. 此外，由于计算机能 力的提高，医 学和环境科学也取得了重大进展。 要点必记 in

11、 addition 可用于句首、句中或句末，用于句首或句中时，通常用逗号与句子的其他部 分隔开。 词语辨析 in addition 与 in addition to in addition“除此之外，另外”，是副词短语，单独作状语。 in addition to“除之外（还）”，是介词短语，后接名词、代词或动名词。 选词填空（in addition/in addition to） （1） I can post the letter for you. _，doing some walking does me good. （2）_ the names on the list，there are s

12、ix other applicants. （3）_ the school，the village has a clinic，which was also built with government support. 单句写作 （4） The products are of high quality._ _（另 外），the price is low. （5）_ _ _ _（ 除 了 游 泳），she likes playing the guitar. In addition In addition to In addition to In addition In addition to swi

13、mming 词汇五词汇五 in terms of 根据，依照；就根据，依照；就而言，在而言，在方面方面 教材原句 In terms of the environment，it is now possible to create an intelligent walking house. 在环境方面，现在有可能创造一个 智能步行屋。 要点必记 describe/measure/evaluate sth. in terms of sth. 根据描述 / 衡量 / 评价 be on good/bad terms （with sb.） （与某人）关系好 / 不好 in the long/short t

14、erm 从长期 / 短期来看 单句语法填空 （1）_ terms of environmental protection，he governed this region very well. （2） Learning is not always easy，but it is always good_ the long term. 单句写作 （3） You can choose landscapes or paintings_ _ _ （根据） your own taste. （4）_ _ _ _（从长远来看），the agreement will have a great influence

15、on us. （5）They have_ _ _ _ _（与关系 好）their neighbours ever since they moved there. In in in terms of In the long term been on good terms with 词汇六词汇六 capable adj. 有能力的有能力的 教材原句 It is capable of using GPS technology to travel to different places，with computing technology controlling its“legs”. 它能够使用 GPS

16、 技术到不同的地方旅行，通过计算技术控制它的“腿”。 要点必记 be capable of doing sth. 有能力做某事 单句写作 （1）词汇复现Actually，we_ _ _ _ （有 能力阻止）the disease from spreading. （2） The company isnt_ _（能）dealing with an order that large. capable of are capable of preventing 词汇七词汇七 lead to 导致，造成；通向，通往导致，造成；通向，通往 教材原句 Now，reduced energy supplies a

17、nd environmental pollution have led to more advances in the technology of new energy vehicles. 现在，能源供应的减少和环境污染导致了新能源汽车技术的更大进步。 要点必记 lead to the traffic accident 导致交通事故 lead to health problems 造成健康问题 lead to the top of the hill 通到山顶 归纳拓展 “导致，引起”的多种表达：result in，bring about，contribute to 写出 lead to 在句中

18、的意思 （1） Some people fear that air pollution may lead to changes in the climate around the world._ （2） All roads lead to Rome._ 单句写作 （3） War never settles anything. It only_ _ _（导 致暴力）. （4） As we all know，bad eating habits and a lack of exercise may_ _ _ _ （造成健康问题）. （5） It doesnt matter whether you t

19、urn right or left at the crossingboth roads_ _ _ _ （通向公园）. 导致导致 通向通向 leads to violence lead to health problems the park lead to 词汇八词汇八 desire n. 欲望，渴望欲望，渴望 v. 渴望，期望渴望，期望 教材原句 But what remains important is that we have an incredible desire to think and create，and thats the real spirit of invention .

20、但仍然重要的是，我们有不可思议的渴望去思考和创造，这才是真正的发明精神。 要点必记 （have）a desire to do （有）做 的渴望 for desire to do. 渴望做 误区警示 desire 后的主语从句、宾语从句和同位语从句用虚拟语气，谓语动词用“should+ 动词原 形”，should 可以省略。 单句语法填空 （1） Fashion is a competitive and hard business where peoples desire _new ideas is hard to satisfy. （2） It was desired that the exp

21、ert_（come）at once. 单句写作 （3） I_ _ _ _ _ _ _ （不想惹任何麻烦）. for （should）come have no desire to cause any trouble 句式一句式一 There have/has been .（there be句型的现在完成时）句型的现在完成时） 教材原句 There have been golden ages of invention throughout history. 历史上曾有发明 的黄金时代。 要点必记 there be 句型可以用于多种时态，基本结构是“there+be 的各种时态”。 （1）一般现在时

22、： There is a map of China on the wall. 墙上有一张中国地图。 （2）一般将来时：There is going to be rain soon . 天马上就要下雨了。 There will be thousands of football fans in London next month. 下个月伦敦将有成千上万的足球迷。 （3）一般过去时：There were some children swimming in the river. 有些小孩在 河里 游泳。 （4）过去将来时：There would be endless rows if I was at

23、 home. 如果我在家会 有吵不完的架。 （5）现在完成时：There have been two shops and a hospital here. 这里已经有两家商店和一家医院了。 单句语法填空 （1） There_（be）a building at the corner. （2） There_（be）a plan for the project tomorrow. （3） There_（be）going to be a film in our school this weekend. （4） There_（be）a third reason for haste. （5） There_

24、（be）a rich man in the village. （6） The teacher said there_（be）a football match on TV this evening. （7） There_（be）many such accidents this year. （8） There_（be）lots of complaints about the boys，but none about the smoke. （9） There_（be）no need arguing about this matter. is will/is going to be is is/was

25、was/is would be have been were/are is 句式二句式二 with 复合结构复合结构 教材原句 It is capable of using GPS technology to travel to different places，with computing technology controlling its “legs”. 它能够使用 GPS 技术到不同的地方旅行，通过计算技术控制它 的“腿”。 要点必记 with 复合结构：with+ 宾语 + 宾补，常在句中作状语，表示原因、方式、时间、条件 或伴随等。具体形式主要有： （1）with + 宾语 + 现

26、在分词（表示主动或正在进行） （2）with + 宾语 + 过去分词（表示被动或完成） （3）with+ 宾语 + 动词不定式（表示尚未发生） （4）with + 宾语 + 形容词 （5）with + 宾语+ 副词 （6）with+ 宾语+ 介词短语 学法点拨 with 复合结构在句中还可作定语。 单句语法填空 （1） With all the work _（finish），they hurried back home for lunch. （2） With a lot of problems_（settle），I cant go skating with you. （3） The manag

27、er came in with his assistant_（follow）him. （4） A young lady came up to me_ some literature books in her hand. （5） The old man walked in with a stick_ his hand. 单句写作 （6）_ _ _ _ _ _ _（有这么多事情需要处理），I cant go on holiday. （7） Do you know the lady_ _ _ _ _ _（怀里 抱着一个婴儿）? （8） We completely solved the problem_ _ _ _ _（很多科学 的方法被使用）. finished to settle following with in with many scientific methods used with a baby in her arms With so many things to deal with