人教版（2019）选择性必修 第二册 Unit 1 Science and Scientists Learning about language课件（共20张））.pptxVIP

UNIT1SCIENCEANDSCIENTISTS

e7d195523061f1c0f0ec610a92cff745ee13794c7b8d98f89E8BE17CC3D63B9B1D6426C348A354AD505654C28F453CD7C8F90EADD06C08281DAED7140E5AAAED5880ECE414DFB6A93B82BE019406867034C3A8500A4827DCF3FBF74A471B736410707E336A01C9ADC9BE02ACCB8DF2121D81636A067B8AE80C6AB6F014154F4E7B7247①理解:表语从句的结构及意义②掌握:表语从句的连接词及使用规则③运用:表语从句,去表达自己的想法LearningAims

表语用来描述主语是什么，包括主语的身份，特征和状态等。表语接在系动词后面。在复合句中作表语的从句叫做表语从句。表语从句位于主句的系动词之后，对主语进行解释、说明，使主语的内容具体化。表语从句必须用陈述语序。Eg:Thequestioniswhobrokethevase.主语系动词表语从句Definitionofpredicativeclause连接词

Canyouguessthemeaningofthisword?Pneumonoultramicroscopicsilicovolcanoconiosis肺尘病pneumono-(oflung肺的)，ultra-(toanextremedegree非常)，micro-(small微小的)，scopic-(ofviewingorobserving观察或注意的)，silico-(ofsilicon硅的)，volcano-(mountainthatreleaseslavaandash火山的)，coni-(ofdust尘土的)，-osis(stateofadisease疾病)

Nowdoyouthinkitpossibleforyoutoguessthemeaningoftheword?Itisalungdiseasecausedbyinhalingveryfineashandsanddust.

Findthewordsfromthepreviouspageswiththefollowingprefixesorsuffixes.Thenaddtwowordsforeachprefixorsuffix,andexplaintheirmeanings.PrefixWordsPrefixWordsre-?micro-?dis-?trans-?remove,replace,reusediscover,disappear,disablemicroscope,microwave,microphonetransform,transport,transplant

1.Howtojudgewhetheritisapredicativeclause?主要依据：系动词后Theproblemisdifficult.TheproblemisthathecannotspeakEnglish.Sth

系动词有哪些？1.状态类:be动词;keep,remain,stay,2.感官类:look,feel(摸起来),smell,sound,taste3.变化类:become,grow,turn,get,go,come4.表像类:seem,appear5.终止类:turnout结果是,prove证明是

2Subordinatingconjunction引导词

1.Onetheorywas______badaircausedthedisease.2.Whatpeoplereallydoubtis__________thedoctorwilldefeattheseriousillness.3.Itseemed_______theworldwerecomingtoanend.4.Whydoesthisappliedscience,whichsavesworkandmakeslifeeasier,bringsuslittlehappiness?Thati