2021学年Section B说课课件ppt

这是一份2021学年Section B说课课件ppt，文件包含第四课时SectionB2a-2epptx、第四课时SectionB2a-2edocx、第四课时SectionB2a-2e原卷docx等3份课件配套教学资源，其中PPT共20页， 欢迎下载使用。
 第四课时　Section B (2a-2e)  Ⅰ.根据首字母或汉语提示完成单词1.Stones are very 　　(硬的),so you need special tools to deal with them. 2.There are a lot of tomatoes in that blue 　　(篮子). 3.Sometimes the children are　　into three groups to practice conversations. 4.[江苏连云港中考]Have you read the report?Those　　(英雄) stories really touched me deeply. Ⅱ.用方框中所给短语的适当形式填空achieve one’s dream,look up to,by mistake,all of a sudden1.—I’m sorry I took your book 　　. —It doesn’t matter.Just give it back to me tomorrow.2.Some teenagers　　the movie stars and dream of being a person like them. 3.Betty was scared because the light went out 　　 when she was doing homework carefully. 4.After working hard for a long time,Mrs.Green finally　　. Ⅲ.单项填空(      )1.Tina has seen a lot of cartoons,　　　　Tom and Jerry. A.with B.betweenC.without D.including (      )2.Whenever I see birds,I’ll　　　　flying in the sky. A.dream of B.end upC.work on D.pick up(      )3.—What have you learned after three years’ study in China,Maria?—I was taught　　　　knowledge　　　　good manners. A.either;or B.not only;but alsoC.between;and D.not;but(      )4.　　　　 I can’t help admiring the man’s courage,I don’t think his method is great. A.When B.AlthoughC.Because D.Unless(      )5.I will try my best to stop my son from　　　　the same mistake. A.make B.made C.makes D.making(      )6.[北京中考]My advice on how to save paper 　　　　by my class last Monday. A.accepts B.accepted C.was accepted D.is accepted Ⅰ.补全对话A:Do you know who the compass(指南针) was invented by?B:Of course.1.　　It’s one of the four great inventions of ancient China.They have changed the world greatly. A:2.　　And when was it first invented? B:3.　　But I know there were records of the South⁃pointing Fish(指南鱼) in the Song Dynasty. A:Exactly.People in the 10th century began to use the South⁃pointing Fish.B:4.　　 A:It was simple.When the fish was put into the water,its head would point to the south.B:It wasn’t the first recorded compass,was it?A:5.　　In the Warring States Period(战国时期),Sinan(司南) was widely used by people. B:So the history of the compass goes back to over 2,000 years ago?A:That’s true.A.I am not sure.B.How did it work?C.No,of course not.D.You’ve got a point.E.How was Sinan invented then?F.It was invented by the Chinese.G.The South⁃pointing Fish was invented by accident,right?Ⅱ.完形填空You have to be careful when throwing away wet waste,which may include food or other kinds of rubbish.Maybe these kinds of waste have made a big　1　when you’ve thrown them away before. Shi Yuan,a student from Shanghai Wenlai Middle School,has made a special bag to　2　this problem.The plastic bag has a band of adhesive tape(粘贴带).When one　3　of the tape is open,the bag can be turned upside⁃down.You can hold the bottom end and　4　throw wet garbage into a trash can. Shi　5　the idea after an unpleasant experience in which he got wet waste all over his trousers while throwing it away.He found that many other people had the same problem.He 　6　 to solve this problem and invented his special bag. However,the original bag was a one⁃off product and not environmentally friendly.So Shi kept on　7　his design.He　8　reading about the adhesive used for post⁃it notes(便利贴).Shi thought this weak glue could be used　9　the adhesive tape and allow the garbage bag to be reused. Shi’s bag has become　10　 in many communities.He has already sold two million bags online.His father is quite proud of him. (      )1.A.public B.menu C.mess D.method(      )2.A.solve B.mention C.notice D.check(      )3.A.side B.end C.start D.point(      )4.A.difficultly B.carefully C.probably D.easily(      )5.A.came up with B.got on with C.took part in D.took pride in(      )6.A.agreed B.asked C.decided D.required(      )7.A.improving B.looking C.leading D.bringing(      )8.A.encouraged B.remembered C.completed D.forgot(      )9.A.to B.by C.in D.for(      )10.A.polite B.similar C.popular D.busyⅢ.阅读理解We are often served single⁃use plastic cutlery(餐具) while eating out,like knives,forks and spoons.However,plastic cutlery is one of the biggest causes of pollution on our earth.Therefore,people are trying different ways to reduce plastic waste in their daily life.Some companies are also taking action and among them is Biofase.The company has found a new way to deal with plastic pollution—they succeeded in creating a kind of eco⁃friendly single⁃use cutlery with avocado seeds(鳄梨种子) that can biodegrade(生物降解) in 240 days.Biofase is based in Mexico(墨西哥) and there is one thing they can easily get their hands on—avocados.The avocado is a fruit with hard dark green skin and a large seed inside.Mexico is the world leader in avocado growing—about 50% of the world’s avocados come from the country.As many companies there process avocados to make oil,Biofase wanted to collect avocado seeds from the companies and make use of them.But it was not so easy to find a suitable way to turn them into biodegradable cutlery.The biggest challenge was to find a way to turn the material into a desirable(向往的) shape.Everything comes to him who works hard.After studying for over a year and a half,Biofase was able to make single⁃use cutlery with avocado seeds.Their products look no different from plastic cutlery.Kept in a fresh and dry place,they stay usable for one year,but after that,they start to biodegrade without leaving anything behind.(      )1.About 50% of the world’s avocados come from　　　　. A.China B.the USAC.Mexico D.Canada(      )2.What will happen to this eco⁃friendly single⁃use cutlery after one year without use?A.It will still stay usable.B.It will turn into avocado seeds.C.It will be harmful to people.D.It will start to biodegrade.(      )3.What can we learn from the passage?A.The eco⁃friendly single⁃use cutlery can biodegrade in 240 hours.B.The eco⁃friendly single⁃use cutlery was produced by Biofase.C.The eco⁃friendly single⁃use cutlery was made from the avocado skin.D.The eco⁃friendly single⁃use cutlery can be used for a year and a half.(      )4.What’s the best title for the passage?A.How to Use Eco⁃Friendly Single⁃Use CutleryB.It’s Not Good to Use Single⁃Use CutleryC.Eco⁃Friendly Single⁃Use Cutlery Was BornD.The Disappearance of Single⁃Use Cutlery