Learning about Languageppt课件配套教案内容

Unit 3Reading for warming up 1. Teaching Analysis 教情分析

1.1 Teaching objectives-教学目标

1.1.1 Language target语言目标WWW.ziyuanku.com 1.1.1.1 Key words & expressions重点词汇和短语

1.1.1.1.1 For applying: theory, billion, violent, atmosphere, unlike, fundamental, harmful, chain, thus, puzzle, biology, biologist, gentle, in time, give birth to, in one’s turn, prevent...from;

1.1.1.1.2 For comprehending: atom, globe, global, carbon, vapour, presence, dissolve, acid, reaction, multiply, oxygen, mammal, dioxide，lay eggs, carbon dioxide, gravity, satellite; 1.1.1.1.3 For recognizing: Big Bang, nitrogen, shellfish, amphibian;

1.1.1.2 Sentence structures:

(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. P25 (2) The earth became so violent that it was not clear whether the shape would last or not. P25 (3) What is even more important is that as the earth cooled down, water began to appear on its surface. P26Ziyuanku.com (4) They were in time to produce carbon dioxide, nitrogen, water vapour and other gases, which were to make the earth’s atmosphere.P25-26

(5) It was not immediately obvious that water was to be fundamental to the development of life.P26

(6) After that, some huge animals, called dinosaurs, developed.P26 (7) Why they suddenly disappeared still remains a mystery. P26 (8) What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas. P26

(9) So whether life will continue on the earth for millions of years to come will 版权所有：中华资源库

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depend on whether this problem can be solved. P26

(10) As a result of this, many scientists believe the earth may become too hot to live on. P26 (11) How life began on earth is one of the biggest puzzles that scientists found hard to solve. P27

1.1.2 Ability goals能力目标

1.1.2.1 Enable Ss to know how to pronounce the new words correctly. 1.1.2.2 Enable Ss to know about some word formations. 1.1.2.3 Enable the Ss to grasp the usage some important words and expressions.1.1.3 Emotion goals情感目标Ziyuanku.com Ziyuanku.comWWW.ziyuanku.com Enable Ss to think about the usage of some important words and expressions in language situations. 1.2 Important & difficult teaching points-教学重难点

1.2.1 Important teaching points-教学重点

How to let Ss learn the usage some important words and expressions.

1.2.2 Difficult teaching points-教学难点

How to grasp the usage some important words and expressions . 2. Student analysis学情分析

2.1 Fundamental state基本情况

第2课时的Reading practice，围绕How life began on the earth这个话题，让学生对地球上生命的起源有了一定的了解，同时也学习和扩展了部分用于了解天文学的词汇和句子，为本节课重点知识的学习和掌握奠定了基础。

2.2 Knowledge reserve知识储备WWW.ziyuanku.com$来&源：ziyuanu.com Students understand the text by reading for practice in last period. They also know the basic meaning of the new words according to the text. All of these prepare Ss for grasping the use of the important words and expressions of this period.Ziyuanku.com

2.3 Class data本班实际

3. Teaching methods教法建议

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question and answer method问答法，task-based teaching method任务型教学法，communicative approach交际法，situational teaching approach情景教学法, group cooperation research approach小组合作探究法

4. Teaching Aids教学辅助

blackboard , computer or ipad, projector 5.Teaching procedures-教学进程

5.1 Step I

Leading in and warming up: 来&源：ziyuanku.com 来&源：ziyuanku.com5.1.1

Ask Ss to work in groups and read the text again, and then finish Ex1 and Ex2 on P28 and . (Teachers get Ss to check the answers in groups after eight minutes.) 5.2 Step II

Language points

1．The earth became so violent that it was not clear whether the shape would last or not.(P25)地球(开始)变得激烈动荡，不知道这个固体形状是否会继续存在下去。

完成句子

①她是一个如此好心的女孩，以至于她会帮助你。

She is____________that she can help you. ②这次考试很难，结果很多学生不及格。

This exam is____________many students failed. ③天气如此之好，我想去海滩。

It is____________that I would like to go to the beach. Keys:

①so good a girl/such a good girl

②so difficult that

③such nice weather They were in time to produce carbon，nitrogen，water vapour and other gases，which were to make the earth's atmosphere.(P25)最终它们产生了碳、

氮气、水

用time短语填空

①He can be really bad-tempered____________. ②William arrived at the theatre just____________for the play was to be on. ③Hurry up！The concert will begin____________. ④____________will I give up. 版权所有：中华资源库

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Keys: ①at times

②in time

③in no time

④At no timeZiyuanku.com 3．Water had also appeared on other planets like Mars but，unlike the earth，it had disappeared later.(P26)

用unlikely/likely/unlike/like填空

①They are so________that nobody believes they are sisters. ②Since their parents strongly disagree，they are________to marry. ③He is more________his mother than his father. ④John is________to be in London this autumn. Keys: ①unlike

②unlikely

③like

④likely 4．It was not immediately obvious that water was to be fundamental

to the development of life.(P26)来&源：ziyuanku.com中·华资源%库ziyuanku.com中华资源%库

用fundamental的适当形式填空

①Soil is________to the growth of the plants. ②By the 2010s，the situation had changed________. Keys:

①fundamental

②fundamentally 5．What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.(P26) 句型转换

①Too much worry does harm to one's soul and body. →Too much worry____________one's soul and body.

②Asking your teachers for advice more often does no harm to you. →____________asking your teachers for advice more often.

Keys: ①is harmful to

②There is no harm in 6．This produced a chain reaction, which made it possible for life to develop.(P26) 完成句子

①我认为过量喝酒对你的身体有害。

________________to your health to drink too much. ②我们每天晚饭后散步已成惯例了。

We________________to walk after supper. Keys: ①I think it harmful

②(have)made it a rule 7．They laid eggs too and existed

on the earth for more than 140 million 版权所有：中华资源库

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years.(P26) 用exist的适当形式填空

①He doesn't believe in the________of God. ②Does life________on other planets? Keys:

①existence

②exist 8．Thus they have，in their turn，become the most important animals on the planet.(P26) 介词填空

①We should take turns________looking after the old man. ②The new couple of lovers did housework________turns. ③When they had a rest，we went on with it________our turn. Keys: ①in

②by

③in 9. They are putting too much carbon dioxide into the atmosphere，which prevents heat from escaping from the earth into space.(P26) 翻译句子

他们没有阻止他发表自己的观点。

_________________________________________________________________ Keys: They didn't prevent/stop/keep him from expressing his views. 10．How life began on earth is one of the biggest puzzles that scientists found hard to solve.(P27) 完成句子

①对于下一步该做什么我也不知道。

________________as to what to do next. ②这是最令人迷惑的问题之一。

This is________________problems. Keys:

①I'm puzzled

②one of the most puzzling 5.3 Step III

Talking and sharing -讨论与分享（含自我总结与评价））

5.3.1 Guide Ss to do self-evaluation: What have I learnt in this period? What am I still confused about?

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What should do to make them clear? 6. Homework课后作业

Finish exercise 3 on P28 and exercise 4 on P63. 版权所有：中华资源库

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