Look into Science Lesson 30 science affects us课件(共24张PPT)（完整版）.pptxVIP

Lesson30;;Leadin;FunFacts:

·Yournoseandearscontinuegrowingthroughoutyourentirelife.

·Babiesblinkonlyonceortwiceaminutewhileadultsblinkaround10timesaminute.

·Yourfingerprintsareuniqueandsoareyourtongueprints.

·Theearthisn’tperfectlyround.ItisslightlyflattenedattheNorthandSouthpoles.

·Adog’shearingismoresensitivethanahuman’s.Dogscanhearnoisesthatwecan’t.

·Ittakesyourbody12hourstocompletelydigestameal.;discovery

affect

suggest

mobilephone

development;Ⅰ.Fillintheblankswiththecorrectformsofthewordsinthebox.

discover,affect,suggest,place,develop

1.Jennytheyuseastrongerpieceofcardboardfortheexperiment.

2.Theairpressuretheresultoftheexperiment.

3.Theexperimentledtoawonderful.

4.Whatareyourplansfortheofyourcompany?

5.Theyusedarocktoholdthemapin.;;ReadL30andfillintheblanks.;1.Isuggestyoutryit,too!

;2.Theexperimentyoudidsoundsinteresting.;3.Scientificdiscoveriesaremakingourlifebetterandbetter.;e.g.张家口变得越来越美丽了。

ZhangJiakouisgettingmoreandmore

beautiful.;7.Thehigherairpressureoutsidethejarholdsthecardboardinplace.

inplace意为“原位,在恰当的位置”。

【拓展】(1)inplaceofsb./sth.=insb.’s/sth’splace代替/顶替某人/物

(2)takeplace发生

(3)takesb.’s/sth.’splace=taketheplaceofsb./sth.代替/替换某人/物

8.Yes,scienceisinteresting,anditaffectsoureverydaylives.

affect为及物动词,意为“影响”,相当于influence,常构成短语:beaffectedby被……影响。

【拓展】effect为名词,意为“结果,影响”。haveaneffecton意为“对……有影响”。;10.Ialwayswonderwhatlifewouldbelikewithoutcomputersormobilephones.

wonder为及物动词,意为“惊奇,想知道”,相当于wanttoknow,其后可接“疑问词+动词不定式”结构和宾语从句。

【拓展】(1)wonder还可作不及物动词,意为“觉得奇怪,想知道”,可构成短语wonderabout/at。

(2)wonder还可作可数名词,意为“奇迹”。

(3)wonderful为形容词,意为“美妙的”。;FreeTalk;Ⅰ.单项选择。

()1.—Bobneverdoeshishomework_____

Mary.

—Yes,hemakeslotsofmistakes.

A.socareful