人教版（2019）选择性必修 第二册Unit 1 Science and Scientists Assessing Your Progress 课件

人教版（2019）选择性必修二

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作主语：主语从句作宾语：宾语从句作表语：表语从句作同位语：同位语从句Whateverisdone

cannotbeundone.Idoubtwhetherhewillstruggletoachievehisdream.Theproblemishowthenuclear-pollutedwaterwillbedisposed.Thespokesmancan’tanswerthequestionwhyChinacan’tbanAmericanproducts.名词从句Activity2

Reviewpredictiveclauses定义：表语从句放在

之后，充当复合句中的

。结构:

_______________________________

主语+系动词+引导词+简单句系动词表语1.右面图表里的动词，不总是用作连系动词。2.代词充当表语时，通常用代词的宾格形式。3.做题时，区分该用动词过去分词、V-ing形式还是动词的不定式充当表语：主语是动作的发出者，并且动作在持续进行时，用V-ing形式；主语是承受者时，动词使用过去分词；而当主语为动作执行者时，动词多用不定式。

表语从句前的系动词Sheremained_________thereforagoodhour,whichsurprisedeveryone.令所有人吃惊的是，她在那里站了很长时间。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