《Science Affects Us》Look into Science! PPT

《Science Affects Us》Look into Science! PPT下载

第一部分内容：Think About It!

1. Have you ever done any interesting experiments? Can you describe one of them?

2. What would life be like without computers or mobile phones?

New words

suggest v. 建议

development n. 发展

discovery n. 发现

affect v. 影响

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Science Affects UsPPT，第二部分内容：Listening Task:

write it is true or false. 

(     ) 1. Jenny did an experiment about the force of the air.

(     ) 2. Wang Mei thinks the life would be different without scientific developments.

(     ) 3. Brian learned about DNA this week.

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Science Affects UsPPT，第三部分内容：Language Points

1. I suggest you try it, too! 我建议你也试一试！

suggest意为“建议”，后接名词、动名词或that从句。

Danny suggested going to the park this afternoon. 丹尼建议今天下午去公园。

She suggested that we should go for a walk. 她建议我们应该去散步。

2. The air pressure pushing up on the cardboard is higher than that of the water washing down from the inside the jar. 托住纸板向上的空气压力大于广口瓶内不的向下的压力。

1) push up向上推，push down向下按。

Will you help me push up the window? 你能帮我把窗户推上去吗？

What they have done pushed down prices. 他们的做法压低了价钱。

2）that在句中为替代词，代替the air pressure，以避免重复。that替代不可数名词或可数名词单数。

The weather in Hainan is warmer than that in Shenyang in winter. 海南的冬天比沈阳要暖和。 

3. The butterflies that return to the south are the great-great grandchildren of the butterflies that left for the north. 这些飞回南方的蝴蝶是春天飞往北方蝴蝶的曾曾子孙。

1）that return to the south和that left for the north均为定语从句。

2）leave for意为“前往”，“leave+地点”则表示离开某地。

They left for Shanghai yesterday. 他们昨天去上海了。

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Science Affects UsPPT，第四部分内容：Practice

根据句意及提示补全单词

1. All of us _______ (建议) that we should travel by car.

2. The _________ (发现) surprised the scientists.

3. His words ______ (affect) my life.

4. My younger brother bought a new __________ (手机) yesterday. 

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