人教版高中英語(yǔ)必修三《Space Exploration》SectionC PPT教學(xué)課件，共44頁(yè)。
互動(dòng)探究
重點(diǎn)詞匯
1Astronauts’ bones and muscles can get very weak in space due to the lack of gravity,so they need to exercise every day,which will help them stay healthy.(教材P42)在太空中,宇航員的骨骼和肌肉會(huì)由于缺乏重力而變得非常脆弱,所以他們每天都需要鍛煉,這會(huì)幫助他們保持身體健康。
lack n.缺乏;短缺 vt.沒(méi)有;缺乏
I’m not worried about her lack of experience—we can easily train her.
我一點(diǎn)也不擔(dān)心她缺少經(jīng)驗(yàn),我們可以很容易地培訓(xùn)她。
The reason why he failed in the driving test was that he lacked confidence in himself.
他駕照考試失敗的原因是對(duì)他自己缺乏信心。
2Astronauts have to use tape to stick everything down while working in space because everything would float off otherwise.(教材P42)宇航員在太空工作時(shí)必須用膠帶把所有的東西都粘住,不然的話(huà)一切都會(huì)飄走。
otherwise adv.否則;要不然
I’m lucky that I’m interested in school work,otherwise I’d go crazy.
幸好我對(duì)學(xué)校作業(yè)感興趣,不然會(huì)瘋的。
I will try my best to do it.I would not make a promise otherwise.
我會(huì)盡全力去做的,否則我就不會(huì)作出承諾。
It was necessary to discover the truth or otherwise of these statements.
有必要查證這些說(shuō)法的真實(shí)性或虛假性。
The bike needs a new saddle,but otherwise it’s in good condition.
這輛自行車(chē)需要一個(gè)新車(chē)座,除此以外它完好無(wú)損。
Don’t start giving me problems otherwise I’ll have to be very unpleasant indeed.
不要開(kāi)始給我找麻煩,否則我就不客氣了。
Bob helped me.Otherwise,I wouldn’t have finished the task on time.
鮑勃幫助了我。否則我不可能按時(shí)完成任務(wù)的。
重點(diǎn)句式
...it would take over two years to get to the closest planet,Mars,and back.(教材P42)
……到達(dá)最近的行星——火星,并返回,需要超過(guò)兩年的時(shí)間。
【句式剖析】It takes/took sb some time to do sth意為“做某事花費(fèi)某人……時(shí)間”。
It takes a long time to get from London to Sydney.
從倫敦到悉尼要花很長(zhǎng)時(shí)間。
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關(guān)鍵詞：Space Exploration PPT課件免費(fèi)下載，.PPTX格式；
