高中英语 必修三 unit4 reading 课件
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Unit+4+Reading+and+Thinking+课件-高中英语人教版选择性必修第三册
the quality of continuing to try to achieve a particular aim despite difficulties
A synonym for “perseverance” is “endurance”, the name of Shackleton’s ship.
experience
If one wants to succeed, one must have the will to continue and face all odds.
Great works are performed not by strength, but perseverance.
— Samuel Johnson
Then he _a_p_p__li_ed__t_o_j_o_in__t_h_e_e_x_p_e_d_i_ti_o_n___. However, hew__a_s_t_u_r_n_ed _d_o_w__n_b_y__S_h_a_c_k_le_t_o_n__b_e_c_a_u_se__h_e_w__a_s_t_o_o_y_o_u_n_g__a_n_d__n_o_t_q_u_a_l_if_ie_d_.
Unit 4
Adversity and Courage
Reading and Thinking
Ernest Shackleton
Sir Ernest Henry Shackleton was an Irish-born British explorer who was one of the giants of Antarctic exploration in the Heroic Age in the early years of the 20th Century.
A synonym for “perseverance” is “endurance”, the name of Shackleton’s ship.
experience
If one wants to succeed, one must have the will to continue and face all odds.
Great works are performed not by strength, but perseverance.
— Samuel Johnson
Then he _a_p_p__li_ed__t_o_j_o_in__t_h_e_e_x_p_e_d_i_ti_o_n___. However, hew__a_s_t_u_r_n_ed _d_o_w__n_b_y__S_h_a_c_k_le_t_o_n__b_e_c_a_u_se__h_e_w__a_s_t_o_o_y_o_u_n_g__a_n_d__n_o_t_q_u_a_l_if_ie_d_.
Unit 4
Adversity and Courage
Reading and Thinking
Ernest Shackleton
Sir Ernest Henry Shackleton was an Irish-born British explorer who was one of the giants of Antarctic exploration in the Heroic Age in the early years of the 20th Century.
Unit 4 Extended Reading 课件-高中英语人教版(2019)选择性必修第三册
1. Beethoven was so immersed in his playing Symphony No.9
that he didn’t notice audience’s enthusiastic cheers. F 2. As a talented child, Beethoven was willing to study music. F
adversity?
A Change the way you look at things. B Take action.
C Learn from your mistakes.
D Find someone to talk to.
E Focus on your goals.
F Develop healthy habits.
Listen
A school counsellor is giving a speech.Listen to the speech and choose the best answers.
1. What is the subject of his speech?
A What adversity means.
Read the adverse story of Beethoven.
Read the adverse story of Beethoven.
Read the adverse story of Beethoven.
Read the adverse story of Beethoven.
T or F
Cultivate Resilience
Assignment
Brainstorm and make a list of possible candidates and conduct research on them.
that he didn’t notice audience’s enthusiastic cheers. F 2. As a talented child, Beethoven was willing to study music. F
adversity?
A Change the way you look at things. B Take action.
C Learn from your mistakes.
D Find someone to talk to.
E Focus on your goals.
F Develop healthy habits.
Listen
A school counsellor is giving a speech.Listen to the speech and choose the best answers.
1. What is the subject of his speech?
A What adversity means.
Read the adverse story of Beethoven.
Read the adverse story of Beethoven.
Read the adverse story of Beethoven.
Read the adverse story of Beethoven.
T or F
Cultivate Resilience
Assignment
Brainstorm and make a list of possible candidates and conduct research on them.
Unit 4 Reading and Thinking知识点课件 高中英语选择性必修三
彻底被卡住了
we approached Antarctica. The ice froze around us and we were well
船被冰碾碎
and truly stuck! We saw the ship get crushed by the ice. And when the
心下一沉
assign sb sth=assign sth to sb 把某物分派给某人 李嘉诚给每个孩子都分派了不同的个人财产。
Li Jiacheng assigned different personal belongings to each child.
assignment n. [C, U]（分派的）工作，任务； [U]（工作等的）分派，布置
1.join the expedition
加入探险（队）
go on an expedition
去探险
2.of his day 某人所处的年代 在祖母那个年代，裙子都很长。 In grandmother’s day, the skirts are long.
3. was consider a great honour consider （to be） sth. 这被认为是好事。 It is considered good. consider as sth. 巩俐被认为是一个有经验的演员。 Gong Li is considered as an experienced actress. consider doing sth. 考虑做某事
2.dream of （doing） sth. 渴望，考虑 dream about (doing) sth. 梦到做某事 我梦想着有一顿大餐。I dream about having a big meal.
we approached Antarctica. The ice froze around us and we were well
船被冰碾碎
and truly stuck! We saw the ship get crushed by the ice. And when the
心下一沉
assign sb sth=assign sth to sb 把某物分派给某人 李嘉诚给每个孩子都分派了不同的个人财产。
Li Jiacheng assigned different personal belongings to each child.
assignment n. [C, U]（分派的）工作，任务； [U]（工作等的）分派，布置
1.join the expedition
加入探险（队）
go on an expedition
去探险
2.of his day 某人所处的年代 在祖母那个年代，裙子都很长。 In grandmother’s day, the skirts are long.
3. was consider a great honour consider （to be） sth. 这被认为是好事。 It is considered good. consider as sth. 巩俐被认为是一个有经验的演员。 Gong Li is considered as an experienced actress. consider doing sth. 考虑做某事
2.dream of （doing） sth. 渴望，考虑 dream about (doing) sth. 梦到做某事 我梦想着有一顿大餐。I dream about having a big meal.
Unit 4 Reading and Writing 阅读与写作 课件 高中英语人教选择性必修三
H他e受w了as伤inj，ur但ed他, b照ut 样he步wa行lk回ed了ho家m。e regardless (of the injury). M很a多ny人p反eo对ple他w的ere方a案ga，ins但t h他is不pla顾n,一bu切t h地e 实car施rie。d it out regardless (of their disagreement).
______
concern U 担忧
C 令人担忧的事；关切的事情
e. g. There is growing concern about the moral decay of citizens. (越来越担心公民的道德沦丧)
His concern was that his son might not support his family after he died.
_______
too … to do sth. 太……以致不能…… e. g. The task is too difficult to be accomplished in a short time.
She is too weak to climb the mountain. Nothing is too difficult for a strong-willed person to learn.
What are your main concerns as a parent of a pupil?
Education remains one of the main concerns of the ordinary Chinese.
___ ____________________
____ stay, remain, keep辨析
______
concern U 担忧
C 令人担忧的事；关切的事情
e. g. There is growing concern about the moral decay of citizens. (越来越担心公民的道德沦丧)
His concern was that his son might not support his family after he died.
_______
too … to do sth. 太……以致不能…… e. g. The task is too difficult to be accomplished in a short time.
She is too weak to climb the mountain. Nothing is too difficult for a strong-willed person to learn.
What are your main concerns as a parent of a pupil?
Education remains one of the main concerns of the ordinary Chinese.
___ ____________________
____ stay, remain, keep辨析
人教高中英语必修3Unit4Reading and Writing课件(共20张PPT)
With the development of scence and technology, we'll find more and more methods to deal with space
Task4: Difficult sentences
1. When we get closer to the moon, we shall feel its gravity pulling us but it will not be as strong a pull as the earth’s. 当我们更接近月球时, 就会感到月球的引力 在拉我们。但是, 月球的引力不像地球的 引力那么大。
reduces the amount of russbish in space.
With the development of scence and technology, ___（我们会找到越来越多的办法处理太空垃圾
Activity3: Ss presenting their works.
Activity4: Checking the sample for Ss to learn the structure 、the useful expressions so that they can write a similar composition on their own.
Unit4 Using language : A Visit to the Moon
Reading and Writing
Teaching goals
1. Students will be able to the changes of the earth in gravity by skimming scanning and careful reading.
Task4: Difficult sentences
1. When we get closer to the moon, we shall feel its gravity pulling us but it will not be as strong a pull as the earth’s. 当我们更接近月球时, 就会感到月球的引力 在拉我们。但是, 月球的引力不像地球的 引力那么大。
reduces the amount of russbish in space.
With the development of scence and technology, ___（我们会找到越来越多的办法处理太空垃圾
Activity3: Ss presenting their works.
Activity4: Checking the sample for Ss to learn the structure 、the useful expressions so that they can write a similar composition on their own.
Unit4 Using language : A Visit to the Moon
Reading and Writing
Teaching goals
1. Students will be able to the changes of the earth in gravity by skimming scanning and careful reading.
Unit4 Reading For Writing 课件 高中英语选择性必修三
✓ should +动词原形 (would/could/should/might)
语境领悟
1. 如果不是(因为)这流行病，我们不会困于上网课状态。
If it were not for the pandemic, we would not be trapped in online schooling.
发生在他们身上 如果....会怎么样？
for long. There was nothing like a good dinner and some music to cheer us up.
1. What if they were delayed? What if…?如果……会怎么样呢？(=What would happen if…?
发生在他们身上 如果....会怎么样？
感到如此孤独和绝望
for long. There was nothing like a good dinner and some music to cheer us up.
没有比···更····
使某人振奋起来
keep one’s spirits up cheer sb up
引导时间状语从句
驶离 sail away from sp 驶离某地
形式主语
to imagine the danger ahead of them. Would they ever return to find us? What might
真正主语
在他们前面
happen to them? What if they were delayed? We felt so alone and desperate. But it was not
Hale Waihona Puke 几乎，很好如果不是因为but for =without
Unit4ReadingforWriting课件高中英语人教版必修第三册
16. _a_r_g_u_efor the plan支持这个计划→cause many arguments (n. )造成很多争议
17. _l_i_m_i_tyour time限制你的时间→limited (adj. ) energy有限的精力
Ⅱ. 必备短语: 英汉双译
1.f_i_g_u_r_e__o_u_t
【话题素材】 1. 话题特点
通过摆事实、讲道理, 直接表达作者的观点和主张的文体属于议论文。正 反观点类议论文是其中的一种, 通常提出某观点或某话题, 并指出对此话题产 生的两种对立观点, 对正反两方面的论点进行论证, 最后给出自己的看法。
2. 话题词汇
(1)result in
导致
(2)in closing
【实践应用】 最近, 你班同学就“太空是否值得探索”这一话题展开了一场讨论。请你根据
下面提供的信息, 用英语写一篇短文介绍讨论的情况, 并谈谈自己的看法。 30%的同学认为太空不值得探索。理由: 1. 离我们及我们的日常生活太遥远; 2. 浪费金钱。 70%的同学认为太空值得探索。理由: 1. 人类已使用卫星进行通讯传播、天气预报; 2. 有望解决人口问题。 注意: 1. 词数80个左右; 2. 可适当增加细节, 以使行文连贯。
把他们自己系到某个东西上
13. a loss of _o_x_y_g_e_n_
氧气的流失
14. the l_a_c_k_of gravity 缺少重力→be lacking (adj. ) in confidence缺少信心
15. around the g_l_o_b_e_世界各地→global (adj. ) warming全球变暖
最后
(3)be opposed to
牛津译林版(2020)必修第三册Unit4extended reading 1 课件
of __d_i_sc_o_v_e_r_y_/_e_x_p_lo__ra_t_i_o_n__.
It is an analogy.(类比）
• Detailed information
para5-6 When a scientist doesn't know the answer to a problem, what changes would his mind experience?
Critical thinking
How do you understand the famous saying,”science is a double-edged sword”?
. advantage....... disadvantage....... advantages outweigh its disadvantages.....
Learn this:Parallel structures use the same pattern of words or sentences.They can add balance to sentences and make the language more powerful and effective.
Introduction to the topic(1-2)
*When I was young,I thought science was
___u_s_e__fu__l______.
*During the war, I found science was
obviously__s_e__r_i_o_u__s____.
para 1-2 What made the author change his attitude to science's value?
It is an analogy.(类比）
• Detailed information
para5-6 When a scientist doesn't know the answer to a problem, what changes would his mind experience?
Critical thinking
How do you understand the famous saying,”science is a double-edged sword”?
. advantage....... disadvantage....... advantages outweigh its disadvantages.....
Learn this:Parallel structures use the same pattern of words or sentences.They can add balance to sentences and make the language more powerful and effective.
Introduction to the topic(1-2)
*When I was young,I thought science was
___u_s_e__fu__l______.
*During the war, I found science was
obviously__s_e__r_i_o_u__s____.
para 1-2 What made the author change his attitude to science's value?
Unit 4 Extended Reading 课件高中英语牛津译林版(2020)必修第三册
Tu's education was soon to prove very useful. In the 1960s, many people were dying of malaria, and in 1969 Tu became head of a team that intended to find a cure for the disease. She collected over 2,000 traditional Chinese medical recipes for malaria treatment and made hundreds of extracts from different herbs. When they failed to produce any promising results, Tu referred to the ancient books of traditional Chinese medicine again.
Learning Aims:
Brainstorming: If science can bring harm to people, what should we do?
1.critical thinking
Try to predict the main idea of this passage.
further training 进一步培训 ; 继续教育
traditional Chinese medicine 中药 ; 中医
acquire 获得 ; 得到
traditional Chinese 繁体中文 ; 繁体字 Western medicine 西药 ; 西医
Take notes quickly！
人教版高一英语必修三Unit-4全套课件
star
(2)动词（及物） ( starred; starred; starring) 1）用星形物装饰 2）用星号标出 3）使成明星,由......主演 Yesterday we saw a film starring Charlie Chaplin. 昨天我们看了一部查理· 卓别林主演的电影。 3. 动词（不及物） ( starred; starred; starring) 1）当明星,主演。如： She has starred in some thirty films. 她主演过大约30部影片。
1. astronomy
天文学 n. Astronomy is the scientific study of the stars, planets, and other natural objects in space. 相关短语 radar astronomy radio astronomy
雷达天文学 电波(无线电)天文学
Answer key for question 1: Paragraph 1: A widely accepted theory about the formation of the universe. Paragraph 2: The formation of water for life. Paragraph 3: The importance of water for life. Paragraph 4: The development of plants and animals on the earth. Paragraph 5: The arrival of humans and their impact on the earth.
loud 意思是“大声地、高声地、响亮地”，强调声音响 亮。常与动词speak, talk, say, laugh等连用。如： Don’t talk so loud. 讲话声音不要这么大。 Facts speak louder than words. 事实胜于雄辩。 loudly 的意思是“高声地”，有时可与loud通用，但含 有“喧闹”的意味。如： Someone knocked loudly at the door. 有人在大声敲门。 Don’t talk so loudly/loud. 说话声音不要这么大。 在现代英语中有时在并不喧闹的场合也用loudly. 如： Will you please read the text loudly? 你能不能大声读 这篇课文？
新教材英语人教版(2019)必修第三册课件：Unit 4 Reading and Thinking
3. More recently, China has sent Chang’e 4 to explore the surface of the far side of the moon _to__m_a_k__e_m__e_a_su_r_e_m__e_n_t_s_a_n_d__o_b_se_r_v_a_t_io_n__s. 最近, 中国发射了“嫦娥四号”探测器, 探测月球背面, 进行测量和观测。
century, most people felt (1)_t_r_a_v_e_ll_i_n_g_(travel) into space was an impossible dream. However, (2)_w__it_h__the help of scientists, people succeeded in realizing their dream (3) _to__e_x_p_lo_r_e_(explore) space. On 4 October 1957, the Sputnik 1 satellite (4) _w_a_s_l_a_u_n_c_h_e_d_(launch) by the USSR. (5)_A_l_t_h_o_u_g_h_/T__h_o_u_g_h_ scientists try to make sure nothing goes wrong, accidents can still happen. These disasters made everyone (6)_d_i_sa_p__p_o_in_t_e_d_(disappoint), but people still believe in
the importance of (7)_c_a_r_r_y_in_g_(carry) on space exploration. In 2003, China became the third country to (8)_i_n_d_e_p_e_n_d_e_n_t_ly_ (independent) send humans into space. Then Shenzhou 6 and 7 completed (9)_a_ second manned orbit and the first Chinese spacewalk. In spite of the difficulties, scientists hope future (10)_d_is_c_o_v_e_r_ie_s_(discovery) will not only enable us to understand how the universe began, but also help us survive well into the future.
人教版高中英语必修三unit4-reading(公开课)
If you want to
⑦
know more, please⑤
turn to Page 25
7
第七页，共26页。
PPrree-readingg
Look at title and the pictures. Can you get some information about what we will learn from the text ?
people and factories from polluting the environment.
Secondly, everyone should realize the importance of the problem and try their best to protect the environment and fight against pollution. Besides,
22
第二十二页，共26页。
Sample
The earth we live in is becoming more and more terrible, so we must take measures to deal with it
Firstly:
Secondly:
Thirdly:
We hope the environment will become more and more beautiful.
it’s a good ideas to plant trees to improve the environment.
We hope our earth will become more and more beautiful.
24
第二十四页，共26页。
Unit4ReadingandthinkingLanguagespoints课件-必修第三册
not only ...but also ...
1. 要成为一名宇航员，他必须是聪明的，而且还要意志坚定。 To become an astronaut, he must be not only intelligent but also determined. 2. 我和我的父母都喜欢打羽毛球。（be fond of） Not only I but also my parents are fond of playing badminton. Not only my parents but also I am fond of playing badminton. 3. Jenny not only likes swimming, but she also likes cycling. （变成倒装句）
*I am always the first person __to__g_e_t__ to the classroom. 我总是第一个到达课室的人。 *Tu Youyou is the first Chineset_o_b_e__a_w_a_r_d_e_d__th_e__N_o_b. el Prize. 屠呦呦是第一个获得诺贝尔奖的中国人。
8. find out 找出
20. in the future 在未来
9. be determined to do 决心... 21. make measurements 测量
10. help sb. do 帮助某人...
11. 12.
rfeoacluisseoonnceo’sncdernetarmate实梦on现想
4. support life 维持生命
16. carry on继续
5. succeed in doing 成功做某事 17. on board 在机上
1. 要成为一名宇航员，他必须是聪明的，而且还要意志坚定。 To become an astronaut, he must be not only intelligent but also determined. 2. 我和我的父母都喜欢打羽毛球。（be fond of） Not only I but also my parents are fond of playing badminton. Not only my parents but also I am fond of playing badminton. 3. Jenny not only likes swimming, but she also likes cycling. （变成倒装句）
*I am always the first person __to__g_e_t__ to the classroom. 我总是第一个到达课室的人。 *Tu Youyou is the first Chineset_o_b_e__a_w_a_r_d_e_d__th_e__N_o_b. el Prize. 屠呦呦是第一个获得诺贝尔奖的中国人。
8. find out 找出
20. in the future 在未来
9. be determined to do 决心... 21. make measurements 测量
10. help sb. do 帮助某人...
11. 12.
rfeoacluisseoonnceo’sncdernetarmate实梦on现想
4. support life 维持生命
16. carry on继续
5. succeed in doing 成功做某事 17. on board 在机上
高一英语必修三 UNIT 4课文详解ppt课件
3.After that, atoms began to form and combine to create stars and other bodies. 然后，原子开始形成并结合成恒星和其他天体。
2
3
4
5
Par 2
1.For several billion years after the "Big Bang", the earth was still just a cloud of dust. 大爆炸后好几十亿年过去了，但地球还 只是一团尘埃。
2.It was not immediately obvious that water was to be fundamen tal to the development of life. 水对于生命的发展会起关键作用， 这一点在当时并不明显。
3.What many scientists believe is that the continued presence of
6.They produced young entirely by laying eggs. 他们一般是通过 孵蛋而繁衍后代的。
7.After that, some huge animals, called dinosaurs, developed. 再 后来一些叫做恐龙的巨型动物出现了。
8.They laid eggs too and existed on the earth for more than 140 million years. 他们也生蛋，在地球上生存了一亿四千多万年。
live on land as well as in the water. 随后，陆地上出现了动物，
其中有一些是昆虫，另外一些叫两栖动物，他们既能在陆上生活
2
3
4
5
Par 2
1.For several billion years after the "Big Bang", the earth was still just a cloud of dust. 大爆炸后好几十亿年过去了，但地球还 只是一团尘埃。
2.It was not immediately obvious that water was to be fundamen tal to the development of life. 水对于生命的发展会起关键作用， 这一点在当时并不明显。
3.What many scientists believe is that the continued presence of
6.They produced young entirely by laying eggs. 他们一般是通过 孵蛋而繁衍后代的。
7.After that, some huge animals, called dinosaurs, developed. 再 后来一些叫做恐龙的巨型动物出现了。
8.They laid eggs too and existed on the earth for more than 140 million years. 他们也生蛋，在地球上生存了一亿四千多万年。
live on land as well as in the water. 随后，陆地上出现了动物，
其中有一些是昆虫，另外一些叫两栖动物，他们既能在陆上生活
人教版必修三 Unit 4 Space Exploration Reading 课件(22张)
1977
_A__m_e_r_i_ca_’_s_N__A_S_A__s_p_a_c_e_a_g_e_n_c_y__launched _V_o_y_a_g_e_r_1__ to study _d_e_e_p__sp_a_c_e__.
Para. 3
Although scientists try to make sure nothing goes wrong, accidents can still happen.
Scientists’ enable us to understand how the
hope:
universe began
help us survive well into future
Your hope?
Post-reading
1. What does the title “Space: The final frontier” mean to you?
Paragraph 5: _T_h_e_f_u_tu_r_e__o_f _sp_a_c_e__e_x_p_lo_r_a_ti_o_n_l_o_o_k_s_bright, a_s_m__a_n_y_c_o_u_n_t_ri_e_s_a_r_e_p_l_a_n_n_in_g__fu_r_t_h_er_ m__is_s_i_o_n_s.________
Paragraph 3: _S_p_a_c_e_tr_a_v_e_l_h_a_s_a_l_w_a_y_s_i_n_v_o_lv_e_d__g_re_a_t_r_is_k_,_ b_u_t_d_e_s_p_i_te_t_h_e_r_i_sk_s__e_x_p_lo_r_a_ti_o_n_c_o_n_t_in_u_e_s_.__
“Challenger” ?
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2. What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acid into the oceans and seas. 3 make it possible for life to develop
Nobody understood plants were the start of multiplied and filled the first changes. They ___________ oceans and seas with oxygen. This encouraged the development _____________ of early shellfish and fish. Land animals such as insects, amphibians, reptiles and dinosaurs and so on followed _________ after the first green plants appeared. Dinosaurs disappeared, which made possible the rise of _____________ mammals on the earth. Then small clever animals ____________ all spread over the earth.
• Why was the earth different from the other planets?
• What a role the water played in the development of life?
1. According to a widely accepted theory, how did the stars form? The universe began with a “Big Bang” that threw matter in all directions, then atoms began to form and combine to create stars. 2. How did the earth’s atmosphere form? The earth was so violent. It exploded loudly with fore and rock to produce carbon, nitrogen, water vapor and other gases, which were to make the atmosphere.
Unit 4 Astronomy: the science of the stars
How life began on the earth
theory about how the universe was A________ Para.1 formed formationof the earth Para.2 The__________
Before life appeared.
Para.3 The importance of______ water for life
Para.4
The_______________ development of plants and animals
humans and their effects on Para.5 The arrival of _________ the earth
3. Why was the earth different from the other planets? Because the water on other planets had
disappeared later.
4. What a role the water played in the development of life?
Para4
1 on the surface of the water 2 fill the oceans and seas with oxygen 3 live on land as well as in the water 4 produce young by laying eggs 5 the age of the dinosaurs 6 remain a mystery 7. This disappearance made possible the rise of mammals on the earth.
3. What is even more important is that as the earth cooled down, water began to appear on its surface.
Para3
1. It was not immediately obvious that water was to be fundamental to the development of life.
Para1
1 a widely accepted theory 2 begin with
3 in all directions
Para2
1. What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. 2. The earth became so violent that it was not clear whether the shape would last or not.
The earth was just a cloud of dust whose future is _________ uncertain after the “Big Bang”. Then the dust began to settle into a _______ ball which is so solid ________ andexploded _______ loudly with fire and rock, to violent be in time to produce many things, which make the earth’s ___________. atmosphere As the earth cooled down, ________ water began to appear and people think it is important for the beginning of life. It allowed the harmful gases. Then life began to earth to dissolve ________ develop.
Different lives developed.
Parted
• According to a widely accepted theory, how did the stars form? • How did the earth’s atmosphere form?
I felt lonely and life was dull at that time.
︶ ︶
︵
Part2 (para4~5) How the life developed 1.Make a timeline of the development of life 2.Why did the plants grow before the animals came? 3.Why is it wrong in films and stories to show dinosaurs and people together?
1. small plants
On surface of water
2. Early shellfish and
all sorts of fish
4. land animals
insects (on land) amphibian (on land and in water)
green plants 3. on land
The presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas. This produce a chain reaction which made it possible for life to develop
With so many friends on me, I was happy.
︵ ︵
︶
Humans developed new ________ means of growing, hunting and moving around. As time went by they muchcarbon dioxide covered the earth. Now too _______ has been putting into the atmosphere __________, which prevents ________ heat_____ from escaping from the earth into global warming space. As a result, the problem of ______________ occurs. Whether life will continue on the earth for depend on whether millions of years to come will ___________ this problem can be solved.
Nobody understood plants were the start of multiplied and filled the first changes. They ___________ oceans and seas with oxygen. This encouraged the development _____________ of early shellfish and fish. Land animals such as insects, amphibians, reptiles and dinosaurs and so on followed _________ after the first green plants appeared. Dinosaurs disappeared, which made possible the rise of _____________ mammals on the earth. Then small clever animals ____________ all spread over the earth.
• Why was the earth different from the other planets?
• What a role the water played in the development of life?
1. According to a widely accepted theory, how did the stars form? The universe began with a “Big Bang” that threw matter in all directions, then atoms began to form and combine to create stars. 2. How did the earth’s atmosphere form? The earth was so violent. It exploded loudly with fore and rock to produce carbon, nitrogen, water vapor and other gases, which were to make the atmosphere.
Unit 4 Astronomy: the science of the stars
How life began on the earth
theory about how the universe was A________ Para.1 formed formationof the earth Para.2 The__________
Before life appeared.
Para.3 The importance of______ water for life
Para.4
The_______________ development of plants and animals
humans and their effects on Para.5 The arrival of _________ the earth
3. Why was the earth different from the other planets? Because the water on other planets had
disappeared later.
4. What a role the water played in the development of life?
Para4
1 on the surface of the water 2 fill the oceans and seas with oxygen 3 live on land as well as in the water 4 produce young by laying eggs 5 the age of the dinosaurs 6 remain a mystery 7. This disappearance made possible the rise of mammals on the earth.
3. What is even more important is that as the earth cooled down, water began to appear on its surface.
Para3
1. It was not immediately obvious that water was to be fundamental to the development of life.
Para1
1 a widely accepted theory 2 begin with
3 in all directions
Para2
1. What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. 2. The earth became so violent that it was not clear whether the shape would last or not.
The earth was just a cloud of dust whose future is _________ uncertain after the “Big Bang”. Then the dust began to settle into a _______ ball which is so solid ________ andexploded _______ loudly with fire and rock, to violent be in time to produce many things, which make the earth’s ___________. atmosphere As the earth cooled down, ________ water began to appear and people think it is important for the beginning of life. It allowed the harmful gases. Then life began to earth to dissolve ________ develop.
Different lives developed.
Parted
• According to a widely accepted theory, how did the stars form? • How did the earth’s atmosphere form?
I felt lonely and life was dull at that time.
︶ ︶
︵
Part2 (para4~5) How the life developed 1.Make a timeline of the development of life 2.Why did the plants grow before the animals came? 3.Why is it wrong in films and stories to show dinosaurs and people together?
1. small plants
On surface of water
2. Early shellfish and
all sorts of fish
4. land animals
insects (on land) amphibian (on land and in water)
green plants 3. on land
The presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas. This produce a chain reaction which made it possible for life to develop
With so many friends on me, I was happy.
︵ ︵
︶
Humans developed new ________ means of growing, hunting and moving around. As time went by they muchcarbon dioxide covered the earth. Now too _______ has been putting into the atmosphere __________, which prevents ________ heat_____ from escaping from the earth into global warming space. As a result, the problem of ______________ occurs. Whether life will continue on the earth for depend on whether millions of years to come will ___________ this problem can be solved.