冀教版九年级英语Unit5 Lesson 30Science Affect Us(共22张PPT).ppt

1、Unit 5 Look into Science油城学校高桂林Lesson 30Science Affects Us油城油城油城学校 1.Have you ever done any interesting experiments?Can you describe one of them?2.What would life be like without computers or mobile phones?Think about itNew wordsNew wordsdiscoverydiscoveryaffectaffectsuggestsuggestmobile phonemobile

2、 phonePresentation n.n.发现发现vv.影响影响vv.建议建议nn.手机手机Science affects peoples(1)lives.Without the scientific developments of recent years,our lives would be very different.Can you imagine life without computers or (2)?Scientific (3)are making our lives better and better.DNA is really one of the most amazi

3、ng things on the earth.Many people think it will (4)the world.1.Wang Mei didnt enjoy learning about DNA.()2.Who did an experiment in science class this week?_.3.Does Wang Mei think the experiment they did sounds interesting?_.4.The air pressure _ is higher than that of the water pushing down from in

4、side the jar.5.I always wonder what life would be like without computers or mobile phones._中考题型dang堂练FBrian,Danny and JennyYes,she doespushing up on the cardboard我一直想知道如果没有电脑和手机生活会是什么样子。1.suggest v.1.suggest v.建议，提议建议，提议1)suggest sth.to sb.1)suggest sth.to sb.向某人建议某事向某人建议某事2)suggest doing sth.2)sugg

5、est doing sth.建议做某事建议做某事3)suggest that 3)suggest that 建议建议4)suggestion n.4)suggestion n.建议建议Language Points:2.better and better这一句型的结构是：比较级+and+比较级意思是“越来越”。例如：酒泉变得越来越美丽了。Jiu Quan is getting more and more beautiful.3.3.【辨析辨析】lie,lay,lainlie,lay,lain与与 lyinglyinglie lie vivi.躺，平放躺，平放过去式过去式laylay，过去分词，

6、过去分词lainlain，现在分词，现在分词 lyinglyingHe was lying in the shade of the tree.He was lying in the shade of the tree.他正躺在树他正躺在树荫下。荫下。He lay down on his bed.He lay down on his bed.他躺在床上。他躺在床上。lie lie vivi.说谎说谎过去式过去式liedlied过去分词过去分词liedlied，现在分词，现在分词lyinglyingIm sorry I lied to you.Im sorry I lied to you.我很抱歉

7、向你撒了谎。我很抱歉向你撒了谎。He is always telling a lie.He is always telling a lie.他总是说谎。他总是说谎。lay lay vt vt/vivi 放，置放，置过去式过去式laidlaid，过去分词，过去分词laidlaid，现在分词，现在分词layinglayingLay it on the table.Lay it on the table.把它放在桌上。把它放在桌上。规则变化lie撒谎自由变化lie是躺lay是放置和下蛋变化与say是一样You shouldnt _ to me.I always believe you.A.lie B

8、.lying C.lay D.liesA4.careful adj.小心的;细心的Be careful!Come down.小心！下来。(1)_ _ _(小心)the glass.Dont break it.(2)_ _!(小心)There is a car coming here.(3)Tom is a c _ student.He often makes mistakes in the exam.【点拨】(1)填 Be careful with。be careful with.意为“对仔细/细心”。(2)填Be careful。be careful 意为“当心;小心”，相当于look ou

9、t 和take care,可以在祈使句中单独使用。(3)填careless。句意为:汤姆是一个粗心的学生。他经常在考试中犯错误。careless作形容词，意为“粗心的”，它与careful意思相反;carelessly作副词，意为“粗心地”，它与carefully相反。.单项选择(5分钟，10分)()1.Bob never does his homework _ Mary.Yes,he makes lots of mistakes.A.so careful B.as carefully asC.carefully D.as careful as()2.Do you know this boy?

10、Which boy?The one _ under the big tree.A.lay B.lain C.laying D.lying()3.How do you know that she likes singing?I often hear her _ after class.A.to sing B.sangC.sing D.sings()4.They stopped _,but there was no more sound.A.to listen B.to hearC.listening D.hearing()5.My younger brother isnt _ to take c

11、are of himself.A.enough old B.old enoughC.small enough D.enough small1.The man is _(bad)hurt.2.Dont be _(scary).You will be OK.3.Are you hurt?No,Im not _(injure).用所给词的适当形式填空。badlyscaredinjured.完成句子(5分钟，10分)1.Dont worry about your son.Its _ _(没什么严重的).2.We neednt _ _ _(叫救护车).3._ _(小心)！There is somethi

12、ng dangerous ahead.答案:1.nothing serious 2.call an ambulance3.Be careful4.He _ _ _(尽力赶上)the early bus,but it was too late.5.Dont worry about him.I can _ _ _(照顾)him.答案:4.tried to catch 5.take care of1.He didnt agree to go there with us.He _ there with us.2.Why dont you go swimming with me?Why _ swimming with me?3.Grandma takes care of my sister every day.Grandma _ my sister every day.4.You dont have to go home today.You _ home today.同义句转换。（每空一词）refused to go not go looks after neednt go Homework 1.Finish off the rest exercises.2.Preview lesson 31.