Unit 1 Science and Scientists 詞匯2-高中英語人教版（2019）選擇性必修第二冊

Unit1

ScienceandscientistsVocabulary2

Learningaims:1)Tolearntwowords’usage:decrease/thanksto/transform/sb/sthbelikely（not）todo...2)Tousethemfreely.Thinkandstudyindependently(10')

1.learnthethreesentencesof

decrease/thankstoonp5&6inyourexercisebook.2.finishthe“探究總結(jié)”.3.trydoingsomeexercises.Answers:(探究總結(jié))1.oninby

toin2.tofor

decreasen.

減少；降低；減少量onthedecrease在減少a/somedecreasein在某方面減少、下降

decreasevt&vi(使大小、數(shù)量等)減少；減??；降低

decreaseby減少了（表程度）

decreaseto減少到（表結(jié)果）

decreasein在某方面減小、下降thanksto幸虧；由于thanksfor感謝......近義詞：becauseof/dueto/owingtofinishP5、6“應(yīng)用實踐”Answers1.to2.by3.on5.in2.ThankstoThanksfor

becauseof/dueto/owingtoSelf-learningguidance2:(5')1.Tofinishthe“探究總結(jié)”ofthetransform/sb/sthbelikely（not）todo...2.TosummarisetheirusageAnswers:(探究總結(jié))1.intointo2.todoItisItisforsb/sthtodotransformvt.使改觀；使改變形態(tài)改變；轉(zhuǎn)變

transforminto轉(zhuǎn)變成.......o...把........轉(zhuǎn)變成........transformationn.轉(zhuǎn)變；改變1.Sb/sthbelikelytodo...

某人、某物可能不會......Itislikelythat...很可能.......Itispossible/probablethat...可能......Itislikely/possibleforsb/sthtodo

某人、某物可能會......Answers:（應(yīng)用實踐）1.transformheatintopowertransformasonginto2.ItislikelyarelikelynottoItisprobableItispossibleItispossiblethatdecreasen.

減少；降低；減少量onthedecrease在減少a/somedecreasein在某方面減少、下降

decreasevt&vi(使大小、數(shù)量等)減少；減?。唤档?/p>

decreaseby減少了（表程度）decreaseto減少到（表結(jié)果）

decreasein在某方面減小、下降thanksto幸虧；由于thanksfor感謝......近義詞：becauseof/dueto/owingto

Summary

transformvt.使改觀；使改變形態(tài)改變；轉(zhuǎn)變

transforminto轉(zhuǎn)變成.......o...把........轉(zhuǎn)變成........transformationn.轉(zhuǎn)變；改變Sb/sthbelikelytodo...

某人、某物可能不會......Itislikelythat...很可能.......Itispossible/probablethat...可能......Itislikely/possibleforsb/sthtodo

某人、某物可能會......

在減少

decreaseby

在某方面減小、下降thanksto

把........轉(zhuǎn)變成........

Sb/sthbelikelytodo...

可能......

Itislikely/possibleforsb/sthtodo

TestHomework：1.reviewwhatyouhavelearned2.recitedthemanddictatethemtohandinyourgroupmoni