2020-2021学年人教版高中英语必修3教案:Unit4 Astron

更新时间:2023-05-11 16:53:46 阅读: 评论:0

Unit 4 Astronomy:the science of the stars
□astronomy n.
□solar adj.
□atom n.
□billion pron&n.&adj.
□globe n.
□carbon n.
□fundamental adj.
□prence n.
□dissolve vt.&vi.
□acid n.
□chain n.
□multiply vi.&vt.
□oxygen n.
□mammal n.
□dioxide n.
□biology n.
□biologist n.
□gravity n.
□satellite n.
□physicist n.
□extinct adj.
□spaceship n.
□lesn vi.&vt.
□weightlessly adv.
□cabin n.
□comet n.
1(2020·天津卷)Making a full­length clay(黏土) figure would not exhaust my strength—and that is what I intend to do!     用尽;用完
2(2020·全国卷Ⅲ) “We floated the idea to my mum of sharing a hou,” says Kathryn Whitehead.    提出(想法)
3(2019·北京卷)Phytoplankton live at the ocean surface, where they pull carbon dioxide(二氧化碳) into the ocean while giving off oxygen.    排入
4(2017·浙江卷)Mac heard a large vehicle behind him. He pulled in front of it as the wolf was catching up fast, just a dozen yards away now.    停车
[单词 拼写·运用]
核心单词
语境运用
1.atmosphere n.大气层; 气氛
2exhaust vt.用尽;耗尽;使精疲力尽
3thus adv.因此;于是
4gentle adj.温和的;文雅的
5climate n.气候
6crash vi.&vt.碰撞;坠落
7pull n.&vt.拉(力);拖;牵引力
8float vi.&vt.(使)浮动;(使)漂浮
n漂浮
9system n.系统;体系;制度
10theory n.学说;理论
用所给词的适当形式填空。
1A truck went out of control and crashed (crash) into the back of a bus.
2He found something floating (float) on the lake, which frightened him.
3After his journey from abroad,Richard Jones returned home,exhausted (exhaust).
4The old scientist told his students that scientific theories (theory) must be bad on facts.
5My uncle's car caught fire suddenly.Fortunately, he was pulled (pull) out of the car by a pasr­by.
派生单词
语境运用
1.violent adj.猛烈的;激烈的;强暴的→violence n.暴力→violently adv.暴力地;猛烈地
2like vt.喜欢 prep.像→unlike prep.与……不同;不像→ dislike vt.不喜欢;讨厌
3harm n&vt.伤害→harmful adj.有害的→ harmless adj.无害的
4exist vi.存在;生存→existence n.存在;生存
5puzzle n.谜;难题 vt.&vi.(使)迷惑;(使)为难→puzzled adj.感到困惑的→puzzling adj.令人困惑的
6religion n.宗教;宗教信仰→religious adj.宗教上的;信奉宗教的;虔诚的
7. react v.反应→ reaction n.反应;回应
用所给词的适当形式填空。
1There was a puzzled look on the little girl's face becau a puzzling problem puzzled her.(puzzle)
2In the face of violence, people can act violently if they feel threatened.(violence)
3Playing computer games does harm to your physical health, and it is also harmful to your mental health.So there is no harm in advising you to give it up.(harm)
4He doesn't believe in any religion but meanwhile he respects others' religious freedom.(religion)
5Do you believe in the existence of ghosts? Perhaps they only exist in the minds of some people.(exist)
[短语 理解·运用]
高频短语
语境运用
1.in time及时;终于
2prevent...from阻止;制止
3cheer up感到高兴;感到振奋
4give birth to产生;分娩
5in one's turn 轮到某人
6watch out for密切注意;当心;提防
7break out突发;爆发
8block out挡住(光线)
9get the hang of熟悉;掌握;理解
填入一个适当的词。
A conflict broke ①out when the villagers tried to prevent the factory workers ②from nding waste water into their fields. The villagers had been watching out ③for the waste water for veral weeks. It was, they concluded, very harmful to their crops, thus giving birth ④to a fierce quarrel. Officials came just ⑤in time to stop the situation getting wor. They managed to block ⑥out the anger of the villagers, promising to punish the factory for what they had done. On hearing this, the villagers cheered ⑦up and the conflict ended finally.
[句式 辨识·运用]
教材原句背诵
句式结构仿写
1.make it adj.to do
This produced a chain reaction,which made it possible for life to develop.
科技的发展会让我们有可能知道宇宙是如何形成的。
The development of science and technology will make it possible to know how the univer came into existence.
2.倍数表达法
But when I tried to step forward,I found I was carried twice as far as on the earth and fell over.
我付出的时间和精力是以前的三倍多所以我相信我这次能成功。
I have devoted three times as much time and energy as I did before,so I believe I will succeed this time.
3now that引导原因状语从句
...walking does need a bit of practice now that gravity has changed.
(2018·全国卷Ⅲ)既然你对我校这么感兴趣为什么不来看看呢?
Now that you are so interested in our school, why not come here and have a look
1.harmful adj.有害的
[高考原句·2020·全国卷Ⅰ]The include plants that have nsors printed onto their leaves to show when they're short of water and a plant that can detect harmful chemicals in groundwater.
(1)be harmful to对……有害
harmless adj.无害的
(2)harm n&v.伤害
cau/do harm to ...对……造成伤害/有害
(3)there is no harm in doing sth.做某事没有害处
a harmful inct害虫
the harmful effects of tobacco烟草的害处
be harmful to children's teeth对儿童的牙齿有害
[基础练习]——单句语法填空
①Some plants and animals contain natural poisons that are harmful(harm) to people.
(2019·浙江卷)However, no prai from parents also does harm to their lf­confidence.
③He may not be able to help but there's no harm in asking(ask) him.
[链接写作]——一句多译
有些男生对玩电脑游戏简直到了痴迷的程度这对他们的健康非常有害。
①Some boys are too crazy about playing computer games, which is very harmful to their health(harmful)
②Some boys are too crazy about playing computer games, which does great harm to their health(harm)
2.exist vi.存在;生存
[高考原句·2020·新高考全国卷Ⅰ] And contrary to existing rearch that says you should avoid eating with heavier people who order large portions(份), it's the beanpoles with big appetites you really need to avoid.
(1)exist in在于……
exist on=live on靠……生存
There exist(s)...有……
(2)existence n.存在;实有;生活;生活方式
come into existence出现;产生
(3)existing adj.现存的;现行的
[基础练习]—单句语法填空
①You can't imagine what difficulty they have existing on the little money he's earning.
(2019·北京卷) A lot of business is still done over the phone, and much of it is bad on trust and existing (exist) relationships.

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