Unit 1 Science and Scientists 词汇2-高中英语人教版（2019）选择性必修第二册

Unit1

ScienceandscientistsVocabulary2

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

1.learnthethreesentencesof

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

toin2.tofor

decreasen.

减少；降低；减少量onthedecrease在减少a/somedecreasein在某方面减少、下降

decreasevt&vi(使大小、数量等)减少；减小；降低

decreaseby减少了（表程度）

decreaseto减少到（表结果）

decreasein在某方面减小、下降thanksto幸亏；由于thanksfor感谢......近义词：becauseof/dueto/owingtofinishP5、6“应用实践”Answers1.to2.by3.on5.in2.ThankstoThanksfor

becauseof/dueto/owingtoSelf-learningguidance2:(5')1.Tofinishthe“探究总结”ofthetransform/sb/sthbelikely（not）todo...2.TosummarisetheirusageAnswers:(探究总结)1.intointo2.todoItisItisforsb/sthtodotransformvt.使改观；使改变形态改变；转变

transforminto转变成.......o...把........转变成........transformationn.转变；改变1.Sb/sthbelikelytodo...

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

某人、某物可能会......Answers:（应用实践）1.transformheatintopowertransformasonginto2.ItislikelyarelikelynottoItisprobableItispossibleItispossiblethatdecreasen.

减少；降低；减少量onthedecrease在减少a/somedecreasein在某方面减少、下降

decreasevt&vi(使大小、数量等)减少；减小；降低

decreaseby减少了（表程度）decreaseto减少到（表结果）

decreasein在某方面减小、下降thanksto幸亏；由于thanksfor感谢......近义词：becauseof/dueto/owingto

Summary

transformvt.使改观；使改变形态改变；转变

transforminto转变成.......o...把........转变成........transformationn.转变；改变Sb/sthbelikelytodo...

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

某人、某物可能会......

在减少

decreaseby

在某方面减小、下降thanksto

把........转变成........

Sb/sthbelikelytodo...

可能......

Itislikely/possibleforsb/sthtodo

TestHomework：1.reviewwhatyouhavelearned2.recitedthemanddictatethemtohandinyourgroupmoni