人教版高中英語必修三《Space Exploration》SectionD PPT課件，共40頁。
重點詞匯
1.Some people argue that we should stop wasting time and money exploring space.
有些人認為我們應該停止浪費時間和金錢去探索太空。
【詞匯精講】argue是動詞,意為“論證;爭辯;爭論”。
We argued the matter over for hours.
我們為這事辯論了幾小時。
Columbus argued that the world was round.
哥倫布認為地球是圓形的。
When I passed,they were arguing heatedly in the room.
我路過時,他們在房間里激烈辯論。
2.It has directly resulted in the many satellites that now orbit Earth.
它直接導致了現在繞地球運行的眾多衛星的出現。
【詞匯精講】result in是動詞短語,意為“導致;造成”。
This kind of things can result in many social problems.
這種事情可以引起許多社會問題。
Stress and tiredness often result in a lack of concentration.
緊張和疲勞常導致人精神不集中。
3.While sleeping,they must attach themselves to something so as to prevent floating around.
睡覺時,他們必須把自己綁在某樣東西上,以防止四處飄浮。
【詞匯精講】attach是及物動詞,意為“系;綁;貼”。
I attached a photo to my application form.
我把一張照片附到了申請表中。
重點句式
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.
全球各國在無論是火星還是其他更遠的行星相關的太空任務上花費了數十億美元和大量時間。
【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或不定式短語。
She made the mistake whether by accident or by design.
不知她是偶然還是故意去犯這個錯誤的。
I don’t know whether to accept the offer or refuse it.
我不知道是接受這個提議好,還是拒絕好。
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