《Science Affects Us》Look into Science! PPT
第一部分內容：Fun Facts:
·Your nose and ears continue growing throughout your entire life.
·Babies blink only once or twice a minute while adults blink around 10 times a minute.
·Your fingerprints are unique and so are your tongue prints.
·The earth isn’t perfectly round.It is slightly flattened at the North and South poles.
·A dog’s hearing is more sensitive than a human’s.Dogs can hear noises that we can’t.
·It takes your body 12 hours to completely digest a meal.
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Science Affects UsPPT，第二部分內容：Main phrases:
·be like
·turn…over
·push up
·push down
·in place
Main sentences:
·Everyone here is fine.
·I suggest you try it,too!
·First,get a jar full of water and a piece of cardboard.
·Yes,science is interesting,and it affects our everyday lives.
·Our lives would surely be very different without scientific developments.
·I always wonder what life would be like without computers or mobile phones.
·Scientific discoveries are making our lives better and better.
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Science Affects UsPPT，第三部分內容：教材解讀
1.What would life be like without computers or mobile phones?
be like意為“像”,多指品質、性格等內在方面的相似。
【拓展】(1)look like偏于外貌上的形似。
(2)take after意為“(外貌或行為)像(父母)”。
2.Everyone here is fine.
everyone為不定代詞,意為“每個人,人人”。不定代詞作主語時,謂語動詞應用單數形式;不定代詞被形容詞修飾時,形容詞應后置;含有不定代詞的句子在進行肯定和否定轉化時,可將不定代詞進行變化;“不定代詞+else”意為“別的……”;不定代詞的所有格直接在詞尾加“’s”,“不定代詞+else”的所有格需在else后加“’s”。
3.I suggest you try it,too!
suggest為動詞,意為“提議,提出”,后可接名詞/v.-ing,或接that引導的賓語從句,that從句用“should+動詞原形”,should可以省略。
【拓展】suggestion作可數名詞,意為“建議,意見”。
4.First,get a jar full of water and a piece of cardboard.
本句中的短語full of water用在名詞jar之后作定語,不定式、介詞短語和定語從句等都可用在名詞后作定語。
5.Cover the jar with the cardboard and turn the jar over.
turn…over意為“將……翻過來。”
【拓展】 turn over還意為“移交,仔細考慮”。
6.The air pressure pushing up on the cardboard is higher than that of the water pushing down from inside the jar.
◆push up意為“向上推,提高”。
◆push down意為“向下按,推倒,壓倒”。
◆that用來替代“the+前述名詞”,以避免重復。
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Science Affects UsPPT，第四部分內容：Practice
Ⅰ.Fill in the blanks with the correct forms of the words in the box.
discover,affect,suggest,place,develop
1.Jenny_______ they use a stronger piece of cardboard for the experiment.
2.The air pressure_______the result of the experiment.
3.The experiment led to a wonderful_______ .
4.What are your plans for the_______of your company?
5.They used a rock to hold the map in_______.
Ⅱ.單項填空
1.They often_______experiments in class last term.
A.do B.did C.does D.to do
2.He covered the desk_______a cloth.
A.of B.with C.at D.in
3.I did an interesting experiment and wanted_______my classmates.
A.to surprise at B.to surprise
C.to be surprised at D.surprise
4.The air pushes_______on us_______above.
A.down,from B.up,from
C.from,down D.from,up
5.Students shouldn’t go to school_______breakfast.
It’s bad for their health.
A.with B.without C.for D.by
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Science Affects UsPPT，第五部分內容：Homework
1.Finish off the exercises in the activity book.
2.Finish off the exercises about Unit Review in the student’s book.
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