Unit5 高频词汇课件（一) (1).pptxVIP

;设计说明;Unit5高频词汇一览;导入;alternative

看到上面两幅图，大家很容易想到风能和太阳能，这些自然?能源即为“替代能源”(alternative?energy)。此时，alternative?可译为“可替代的”。但当alternative用作名词译为选择”时，与我们所熟悉的choice有什么区别呢?;精准释义;alternativeenergy替代能源(指太阳能、风能水能等)

havenoalternativebuttodosth除了做某事别无选择

analternativeto...……的替代品

Thereisnoalternative...……别无选择

Youcanbepaidincashweeklyorbychequemonthly;thosearethetwoalternatives.你的工资可以按周以现金支取，或按月以支票支取。二者可选其一。

WehadnoalternativebuttofireGibson.我们别无他法，只有辞退吉布森。;词汇拓展;表示“别无选择只好做……”的常见句型：

havenochoicebuttodosth.

candonothingbutdosth.

havenoalternativebuttodosth.

Hehadnoalternativebuttoaccepttheoffer.他除了接受该项提议之外，别无选择。

;;词汇拓展;Theyoftenofferarealalternativetothecommonandregularwayofthinking.(高考北京卷2020阅读)

Butfortunatelythereisanalternative:cornflour.(高考重庆卷2014阅读)

Asanalternativeconsidercheckingintoaself-cateringflatwithitsownkitchen.(高考湖南卷2013阅读);练习;练习;练习;三、根据句意，写出画线部分的汉语意思。

9.?The?disappearance?of?dinosaurs?is?not?necessarily?caused?by?astronomical?incidents.?Butalternative?explanations?are?hard?tofind.

??(2017?江苏)其他的解释

10.?I?was?а?student?who?went?on?alternative?break?trips,?and?had?my?life?totally?transformedaby?that?experience.?(2011?天津)

非传统的假期;devote;devote[d?v??t]v.;精准释义;...to(doing)sth.把……用在/献给(做)某事上

oneselfto(doing)sth.献身于(做)某事；致力于(做)某事

sthtosth把…用于togiveanamountoftime,attention,

etc.tosth

Shedevotedherselftohercareer.她全力倾注于自己的事业。

Icouldonlydevotetwohoursadaytothework.我一天只能在这个工作上花???个小时。;词汇拓展;Forthepastfiveyears,PaulaSmith,ahistorianofscience,hasdevotedherselftore-creatinglong-forgottentechniques.(高考北京卷2020阅读)

Othersinsistthatwithchildrenunderincreasingpressuretodevotetheirdowntimetointernshi