人教版高中英語(yǔ)必修三《Space Exploration》SectionD PPT課件，共40頁(yè)。
重點(diǎn)詞匯
1.Some people argue that we should stop wasting time and money exploring space.
有些人認(rèn)為我們應(yīng)該停止浪費(fèi)時(shí)間和金錢(qián)去探索太空。
【詞匯精講】argue是動(dòng)詞,意為“論證;爭(zhēng)辯;爭(zhēng)論”。
We argued the matter over for hours.
我們?yōu)檫@事辯論了幾小時(shí)。
Columbus argued that the world was round.
哥倫布認(rèn)為地球是圓形的。
When I passed,they were arguing heatedly in the room.
我路過(guò)時(shí),他們?cè)诜块g里激烈辯論。
2.It has directly resulted in the many satellites that now orbit Earth.
它直接導(dǎo)致了現(xiàn)在繞地球運(yùn)行的眾多衛(wèi)星的出現(xiàn)。
【詞匯精講】result in是動(dòng)詞短語(yǔ),意為“導(dǎo)致;造成”。
This kind of things can result in many social problems.
這種事情可以引起許多社會(huì)問(wèn)題。
Stress and tiredness often result in a lack of concentration.
緊張和疲勞常導(dǎo)致人精神不集中。
3.While sleeping,they must attach themselves to something so as to prevent floating around.
睡覺(jué)時(shí),他們必須把自己綁在某樣?xùn)|西上,以防止四處飄浮。
【詞匯精講】attach是及物動(dòng)詞,意為“系;綁;貼”。
I attached a photo to my application form.
我把一張照片附到了申請(qǐng)表中。
重點(diǎn)句式
Countries around the globe are spending billions of dollars and lots of time on various space missions,whether to Mars or other planets much further away.
全球各國(guó)在無(wú)論是火星還是其他更遠(yuǎn)的行星相關(guān)的太空任務(wù)上花費(fèi)了數(shù)十億美元和大量時(shí)間。
【句式剖析】whether...or...意為“是……還是……”,whether表示一種選擇,其后可以跟介詞短語(yǔ)或不定式短語(yǔ)。
She made the mistake whether by accident or by design.
不知她是偶然還是故意去犯這個(gè)錯(cuò)誤的。
I don’t know whether to accept the offer or refuse it.
我不知道是接受這個(gè)提議好,還是拒絕好。
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關(guān)鍵詞：Space Exploration PPT課件免費(fèi)下載，.PPT格式；
