人教版高中英语必修三 《Space Exploration》SectionD PPT课件

人教版高中英语必修三《Space Exploration》SectionD PPT课件，共40页。

重点词汇

1.Some people argue that we should stop wasting time and money exploring space.

有些人认为我们应该停止浪费时间和金钱去探索太空。

【词汇精讲】argue是动词,意为“论证;争辩;争论”。

We argued the matter over for hours.

我们为这事辩论了几小时。

Columbus argued that the world was round.

哥伦布认为地球是圆形的。

When I passed,they were arguing heatedly in the room.

我路过时,他们在房间里激烈辩论。

2.It has directly resulted in the many satellites that now orbit Earth.

它直接导致了现在绕地球运行的众多卫星的出现。

【词汇精讲】result in是动词短语,意为“导致;造成”。

This kind of things can result in many social problems.

这种事情可以引起许多社会问题。

Stress and tiredness often result in a lack of concentration.

紧张和疲劳常导致人精神不集中。

3.While sleeping,they must attach themselves to something so as to prevent floating around.

睡觉时,他们必须把自己绑在某样东西上,以防止四处飘浮。

【词汇精讲】attach是及物动词,意为“系;绑;贴”。

I attached a photo to my application form.

我把一张照片附到了申请表中。

重点句式

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.

全球各国在无论是火星还是其他更远的行星相关的太空任务上花费了数十亿美元和大量时间。

【句式剖析】whether...or...意为“是……还是……”,whether表示一种选择,其后可以跟介词短语或不定式短语。

She made the mistake whether by accident or by design.

不知她是偶然还是故意去犯这个错误的。

I don’t know whether to accept the offer or refuse it.

我不知道是接受这个提议好,还是拒绝好。

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