冀教版九年級英語上冊《Science Affects Us》Loo k into Science課件

Lesson30ScienceAffectsUsLookintoScienceUnit5

Haveyoueverdoneanyinterestingexperiments?Canyoudescribeoneofthem?Readthepassageandwritetrue(T)orfalse(F).1.Brian,DannyandJennydidanexperimentatJenny’shome.()2.JennyandWangMeiboththinkscienceisinteresting.()3.WangMeithinkscomputerswillchangetheworld.()4.JennyenjoyedlearningaboutDNA.()FTFFReadthefirste-mailandfinish.1.HowdoesJennydotheexperiment?First,getajar________waterandapieceofcardboard._____thejar______thecardboardand_____thejar_____.Next,______yourhand_____.coverwithturnovertakeofffullof2.Whatcanwediscoverfromtheexperiment?Theairpressure___________onthecardboardishigherthan____ofthewater___________frominsidethejar.Thehigherairpressureoutsidethejar_____thecardboard_________.pushingupthatpushingdownholdsinplaceReadtheseconde-mailandfinish.Science______people’severydaylives.Withoutthescientific____________(develop)ofrecentyears,ourliveswouldbeverydifferent.Canyouimaginelifewithoutcomputersor_____________?Scientific__________aremakingourlivesbetterandbetter.DNAisreallyoneofthemostamazing______(thing)ontheearth.Manypeoplethinkitwill______theworld.mobilephonesdiscoverieschangethingsaffectsdevelopmentsReadthemindmapandretell.1.Isuggestyoutryit,too!我建議你也試一下！suggest動詞，意為“建議”?？山用~、動名詞或that引導(dǎo)的賓語從句。其名詞為suggestion，為可數(shù)名詞。Myfathersuggestedgoingforawalkafterdinneryesterday.昨天我父親建議晚飯后去散步。

Iwouldlikeyoursuggestions.我想要你的建議。2.Theairpressurepushinguponthecardboardishigherthanthatofthewaterpushingdownfrominsidethejar.向上推紙板的氣壓要比罐子里向下推的水的氣壓高。that用來替代前面提到的不可數(shù)名詞或單數(shù)可數(shù)名詞，以避免重復(fù)。Thepriceofriceislowerthanthat(theprice)ofmeat.米的價格比肉的價格低。Theweatherhereismuchhotterthanthatinmycity.這里的天氣比我們城市的天氣熱太多。3.Scientificdiscoveriesaremakingourlivesbetterandbetter.科學(xué)發(fā)現(xiàn)正在讓我們的生活變得越來越好。（1）discovery可數(shù)名詞，意為“發(fā)現(xiàn)，發(fā)覺”，其復(fù)數(shù)形式為discoveries。其動詞為discover，后跟名詞、代詞或賓語從句。Thisisanimportantdiscovery.這是一個重要的發(fā)現(xiàn)。Theyhavediscoveredoursecrets.他們已經(jīng)發(fā)現(xiàn)了我們的秘密。（2）betterandbetter“越來越好”，其構(gòu)成為“比較級+and+比較級”，意為“越來越……”。當(dāng)比較級用more構(gòu)成時，要用結(jié)構(gòu)“moreandmore+形容詞/副詞原級”。Theweatherisgettingcolderandcolder.天氣變得越來越冷。Ihopemyvillagebecomesmoreandmorebeautiful.我希望我的村子變得越來越漂亮。Discussingroups.Whatinventionsordiscoveriesaffectoureverydaylives?ScienceAffectsUsmobilephoneinternetlightbulbweatherforecastcameraDNAtelescopewashingmachinesolarenergycomputerTVScienceAffectsUsDiscussingroups.Whatinventionsordiscoveriesaffectoureverydaylives?用所給單詞的適當(dāng)形式填空。Withthe____________(develop)ofscience,ourlivesarebetterandbetter.2.YoungcouplesliketosearchtheInternetforsome__________(suggest)onhowtonametheirbabies.3.The_________newsoftheflightMH370madeusall________.(surprise)developmentsuggestionssurprisingsurprised4.Thesouthofthecountrywasbadly_______(affect)bytheflood.5.Everyone,pleaseturnoffyour_____________(