人教版高中英语必修三第四单元课件

Para.5
E.Scientists have their dream to explore space.
第十七页，共六十七页。
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1. Choose the correct sentence to fill in the gap. 2. Explain to us the reasons.
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Para. 2
“Before the mid-20th century, most people felt travelling into space was an impossible dream. However, some scientists were determined to help humans realise their dream to explore space. _____________. On 4 October 1957,... and on 12 April 1961, ... Over eight years later, on 20 July 1969,...
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Para. 1
Are we alone? What's out there?” Looking up at the stars, people have always wanted to learn more about space, and scientists work hard to find answers. They make vehicles to carry brave people into space and out the secrets of the universe.

“so…that…如此……以 至于
我们做得很好,被邀请与我们 学校的所有学生分享我们的 想法和经验。 We did__s_o__w__e_l_l_t_h_a_t__w__e___ __w_e__r_e_i_n_v__it_e_d__t_o__s_h__a_r_e__o_u_r_ __id__e_a_s__a_n__d__e_x_p_e__r_ie_n__c_e_____ __w_i_t_h___all the students of
基础自主梳理
Ⅱ.填一填(阅读识其义)
1. fundamental adj. 基本的; 基础的 2. chain n. 链子; 连锁; 锁链 3. multiply vi. & vt. 乘; 增加 4. oxygen n. 氧 5.carbon n. 碳
基础自主梳理
Ⅲ.用一用(语境推意)
1. [2018·全国卷Ⅱ] That prevented the emission (排放) of 51.8 million tons of carbon dioxide. 二氧化碳 2. However, on September 12, 1933, physicist Leo Szilard invented the neutron-induced(中子诱导) nuclear chain reaction. 连锁,一系列
基础自主梳理
背句型(课本这样讲)
记公式(公式这样记)
仿句子(高考这样考)
2. [2017·浙江卷·书面表达]
2.This produced a chain reaction,___w_h__ic_h___m__a_d_e__i_t__ _p_o_s__s_ib__le_______for life to develop. 这引起了连锁反应,为生命的

Para.1 Para.2
The importance of water for life A theory about how the universe was formed
Para.3
Para.4 Para.5
The formation(形成） of the earth Part1: The development of the earth The arrival of humans and their effects o the earth
The development of plants and animals
Part2:The development of life.
Main idea:
The text mainly tells us the formation (form) of the earth and the development (develop)of life on it.
atmosphere
Cool down
water appeared
dissolve harmful gases into …
Part 2:The development of life
Read para4 carefully and make a timeline of the development of life
6. forests
small clever animals with 10. and feet hands ______________
8. dinosaurs (on land) mammals 9._________ (on land)
(on land) 7._________ reptiles

shallow view...
(paragraph 1)
Para.2 Firstly, exploring space has already made a difference in the fight against world hunger.
Para.3
Para.4
Sbeecnoenfidtlyus,susapplal.cpe oexrptloirnatgionahrags ualrmeaedynptroamtoiotend teocnhnoslopgaiccaleimprovements that exploration
Because they think that we should feed the world's poor and find immediate solutions to other problems, such as pollution and fatal diseases.
2. What has space exploration done for food production? It has directly resulted in the many satellites orbiting Earth, which helps record data on land and weather patterns, providing useful re mendations and advice for farmers.
第八页，共五十七页。
核心词汇
5. provide for sb. 提供生活所需
教材原句 In order to provide for such a rapidly increasing population

词汇二 intelligent adj. 有智慧的；聪明的；有智力的 ◆教材原句
First of all，you must be intelligent enough to get a related college degree. 首先，你必须足够聪明来获得相关的 大学学位。
◆要点必记
intelligent software/systems 智能软件/ 系统 a highly intelligent student 非常聪明的学生
词汇二 succeed in doing sth. 成功地做某事
◆教材原句 After many experiments，they succeeded in making rockets that could escape Earth’s gravity. 经 过多次实验后，他们成功地制造出能够逃脱地球引力的火箭。 ◆要点必记 succeed sb. as... 接替某人担任…… succeed to sth. 继承（王位等） ◆词语积累
Unit 4 Space Exploartioan
Section A Listening and Speaking
Section B Reading and Thinking
Section C Discovering Useful Structures
Section D Listening and Talking, Reading for Writing & Assessing Your Progress
determination n. 决心；决定
with determination 坚决地
单句语法填空 （1） I have determined on going to the countryside after graduating from college. （2） He is determined （determine）to take good care of his parents from now on. （3） Thedetermined（determine）expression on her face suggested that she wouldn’t change her mind. （4） Helen was a strong girl and she finally achieved her dream with great _d_e_t_er_m__in_a_t_io_n_

新课标导学
英语
必修③ ·人教版
Unit 4
Astronomy：the science of the stars
1
学习目标展示
2
背景知识链接
学习目标展示
类别
课程标准要求掌握的项目
话题 Science of the stars；the development of life；space travel and gravity
背景知识链接
• Astronomy is the oldest science known to man.Thousands of years ago man looked at the stars and wondered about the heavens.But man was limited by the six planets that he could see with his eyes alone.The Greeks studied astronomy over 2,000 years ago.They could see the size， colour，and brightness of a star.They could see its place in the sky.They watched the stars move as the seasons changed.But the Greeks had no tools to help themselves
You must/mustn't...
类别
课程标准要求掌握的项目
主语从句(Noun clauses as the subject)
What it was to become was uncertain until between 4.5 and 3.8 billion years

any possible harm.
.
9
选择： 1). Let nothing _D___ you doing your duty. A. keep B. have C. protect D. prevent 2). –What _C__ you to come to the party?
-An unexpected accident ___ me going. A. prevented; forbade B. protected; forbade C. forbade; prevented D. stopped; kept 3). He put on his sunglasses to _D__ his eyes from the strong sunlight. A. prevent B. stop C. . keep D. protect 10
17
填空：
1) The driver _p_u_l_le_d__u_p__ at the traffic lights.
2) The train _p_u_l_le_d__in___ right on time.
3) The cinema she used to visit had been _p_u_l_le_d__d_o_w_n__.
1. in time (for sth /to do sth) 1) not late 及时 eg. She will be back in time for dinner /
to have dinner. 2) after a long period of time 终于，迟早 eg. Your hard work will pay off in time.
翻译：His present boss who presented

人教版高中英语必修三unit4全课件
1. in time: sooner or later; eventually 迟早；最后；终于
I’ll see him in time. 总有一天我会遇见他。
in time (for sth/to do sth): not late 及时；不迟 She will be back in time to prepare dinner. 她来得及回来准备晚饭。
6. What was important to the development of fish? oxygen.
7. What made possible the rise of mammals on the earth? The disappearance of dinosaurs made the possible the rise of mammals on the earth.
2. Do you know the following terms?
star, planet, the sun / moon / earth, solar system
恒星 行星
太阳系
3. How many planets are in the solar
system?
Scientists now think Pluto is too small to be called a planet.
• 5.puzzle n. 谜；难题 v. （使）迷惑；（使）为 难
• It's puzzles me. • feel/ be puzzled about sth. 对某事感到迷惑 • puzzle over/ about sth. 对某事苦苦思索 • •这个字母使我迷惑不解。This letter puzzles me. • ‚她对她的未来感到迷惑。She felt puzzled about

Part 2 (para2.3.4)
The development of living things.
Energetic dust
A solid ball Explode atmosphere water
Water made it possible _fo_r__li_f_e_t_o_b_e_g_i_n_t_o_d__ev_e_l_o_p_._
定义： 用作主语的从句叫主语从句，它是名
词性从句之一。引导主语从句的连接词有：
连词that, whether；连接代词who, what和which；连接副词when, where, how和why。
用法：
1) 由what等代词引起的主语从句： What the teacher said today was
Learning about language
Warming Up
Prepare for “DISCOVERING USEFUL WORDS AND
EXPRESSIONS”.
P. 28
Answer key for exercise 1:
-ence
un-
present presence violent violence confident confidence different difference patient patience
secret.
这里说的话都应当保密。
Whoever makes mistakes must correct them.
凡犯了错误的人都必须改正。
注意: 上述例句中的主语从句都是放在 句首, 但有时为了使句子结构平衡, 避免
“头重脚轻”, 常用 it 作形式主语, 而
把从句放在后面。 例如:

Lead-in
How much do you know about space exploration?
1. There are eight planets in the Solar System.
F T
2. Footprints left by astronauts on the lunar surface(月球表面) would disappear.
Para. 2
Time
Events
USSR launched __t_h_e_S_p_u_t_n_ik__1_s_a_te_l_li_te__ and 1957 _s_u_c_c_e_ss_f_u_ll_y_o_r_b_it_e_d_a_r_o_u_n_d__E_a_r_th__.
1961 _Y_u_r_i _G_a_g_a_r_in_ became the first person in the world to go into space.
D
A
A. Although scientists try to make sure nothing goes wrong, accidents can still happen.
C
C. The future of space exploration remains bright.
Task 2: Skimming for the main idea
Para. 1
People have always wanted to learn more about _s_p_a_c_e_, they make _v_e_h_ic_l_e_s to carry brave people into space:
to _f_in__d_o_u_t_ the secrets of the universe hope to discover other planets that are _s_u_i_ta_b_l_e_ enough to support life

【掌握构词规律 快速记牢单词】 形容词加后缀-ly,成为副词。如: careful→carefully 细心地;谨慎地 hopeful→hopefully 满怀希望地 immediate→immediately 立刻;马上 complete→comple_fi_g_u_r_e_o_u_t_________弄懂;弄清楚;弄明白 2.__d_u_e_t_o_t_h_e_l_a_ck__o_f___由于缺乏 3.__s_ti_c_k_d_o_w__n________把……粘起来;写下,记下 4.__fl_o_a_t_o_f_f __________飘走 5.keep sb/sth under control ___把_…__…__控__制__住________ 6.experiment with ___实__验__…__…_________ 7.plenty of ____大__量__;许__多________ 8.be keen to do sth ___渴__望_做__某__事________
【即学即练】单句语法填空/一句多译 ①As we know,____a_____ lack of water can do damage to the body,so we should drink enough water every day. ②I think the book is not worth reading because it is completely lacking ____i_n____ originality. 因为缺钱,我们没能启动这个项目。 →③_L_a_c_k_i_n_g_m__o_n_e_y_/B_e_c_a_u_s_e_w__e_l_a_ck_e_d__m_o_n_e_y__,we couldn’t start the project.(lack v.) →④_D__u_e_t_o_t_h_e_la_c_k__o_f_m_o_n_e_y_____,we couldn’t start the project.(lack n.) →⑤__L_a_c_k_in_g__in__m_o_n_e_y_/_B_e_c_a_u_se__w_e__w_e_r_e_l_ac_k_i_n_g_i_n_m__o_n_e_y__,we couldn’t start the project.(lacking)

金星 Venus 地球 水星 Mercury Earth
火星 Mars
天王星 Uranus 海王星 Neptune
木星 Jupiter
土星 Saturn
In this unit, we’ll learn something more scientific

1.What’s the title of the text? how life began on the earth 2. From the title, we can predict that the text may tell us the origin of life on the earth. Do you know some stories about it?
8. Why are mammals different from all life forms the past?
Phrases and Useful Expressions
circle around 绕…转 2. according to… 根据 3. a widely accepted theory 熟知的理论 4. in all directions 向着四面八方 5. in time 及时；终于 6. cool down 冷却 7. be fundamental to… 对…关键 8. a chain action 连锁反应 9. …make it possible for…to do… 使…可能 10. give birth to… 生育 11. prevent… from 阻止…做… 12. millions of years to come 未来的几百万年
The disappearance of dinosaurs made the possible the rise of mammals on the earth.