人教版（2019）選擇性必修 第二冊Unit 1 Science and Scientists Assessing Your Progress 課件

人教版（2019）選擇性必修二

Unit1SCIENCEANDSCIENTISTSAssessingYourProgressLearningObjectives1.ToreadabouthowJohnSnowdefeated“KingCholera”2.Toworkoutthestagesofscientificresearch3.Tounderstandtheimportantroleofquestioningspiritinscientificresearch.4.Tosolvethereadingtasksbythinkinglogicallyandcooperatingwithpeers.0601040302050708brilliantsolidmicroscopefindingcontradictorygiftastronomertheoryActivity1

Completethepassagewiththecorrectformsofthewordsbelow.

Thescientist'smaintaskistodiscoverhowthingsworkintheuniverse.Butfewscientistshaveplacedthemselvesunderthe___________.Soeventhoughthe_______________scientificmethod,whichmainlyincludeshypotheses,datacollection,andstatisticalanalysis,iswrittendown,themethodbywhichscientistscometo________________conclusionsishardtoidentify.Twooftheessentialqualitiesascientistneedstohaveseemtobecuriosityandcreativity.Peoplewhoarecurioususuallyhaveamixtureofseemingly____________desires:Theyarelookingfororiginalityandyettheyalsowanteverythinginitsproperplace.microscopebrilliantsolidcontradictoryTosettletheconfictbetweenstatisticsand_______,scientistsoftenhavetobecreative,andthinkoutsidethebox—approachtheproblemfromdifferentdirections.Theymusthaveavividimaginationandastrongintuitioninorderfornew________tobemade.Itechoessomethingthe_______CarlSaganoncesaid.Hebelievesthateverychild"startsoutasascientist"andeverychildis__________withthe“senseofwonderandawe".theoryfindingsastronmergifted作主語：主語從句作賓語：賓語從句作表語：表語從句作同位語：同位語從句Whateverisdone

cannotbeundone.Idoubtwhetherhewillstruggletoachievehisdream.Theproblemishowthenuclear-pollutedwaterwillbedisposed.Thespokesmancan’tanswerthequestionwhyChinacan’tbanAmericanproducts.名詞從句Activity2

Reviewpredictiveclauses定義：表語從句放在

之后，充當(dāng)復(fù)合句中的

。結(jié)構(gòu):

_______________________________

主語+系動詞+引導(dǎo)詞+簡單句系動詞表語1.右面圖表里的動詞，不總是用作連系動詞。2.代詞充當(dāng)表語時，通常用代詞的賓格形式。3.做題時，區(qū)分該用動詞過去分詞、V-ing形式還是動詞的不定式充當(dāng)表語：主語是動作的發(fā)出者，并且動作在持續(xù)進(jìn)行時，用V-ing形式；主語是承受者時，動詞使用過去分詞；而當(dāng)主語為動作執(zhí)行者時，動詞多用不定式。

表語從句前的系動詞Sheremained_________thereforagoodhour,whichsurprisedeveryone.令所有人吃驚的是，她在那里站了很長時間。standingScienceissimply__________youcando.Anddoingsciencemakesyouascientist!So,whatdoscientistsdo?Actually,whatmattersisnotonly__________theyobserveintheworldaroundthemandwhatquestionstheyask,butalso__________theyuseevidence

ordatatoanswerthequestions.Theyidentifyusefuldataandtakenewmeasurements.Someofthekeyissuesthatscientistsfaceare__________calculationstheydoand

__________

theyanalysetheirdatatodrawconclusionsaboutthequestionstheyask.Thefinalissue,whichmanybelievetobethemostimportant,is__________theyneed

tocommunicatetheirresults.Thisis__________theywanteveryonetobenefitfromtheirwork!Itseems__________scienceisallaroundus.Yousee,bydoingscience,scientists

getabetterunderstandingoftheworldaroundthemandsharethatunderstandingwiththewholeworld.whatwhathowwhathowwhybecausethat/asifActivity3

Fillineachblankwithawordorexpressionthatintroducesapredicativeclause.Activity3

SelfassessmentandreflectionWhatnewideasdidyoulearnaboutscienceandscientistsfromthisunit?Whatnewvocabularyandstructuresdidyoulearninthisunit?Howwellcanyouusethem?Didyouuseanyoftheminyourlanguageactivities?Doyouthinkthe"askingquestions"strategywasusefulinunderstandingthetexts?Whatproblemsdidyouoryourfr