人教版(2019)选择性必修一: Unit 3 Fascinating Parks  Learning About Language 课件(28张ppt)

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人教版(2019)选择性必修一: Unit 3 Fascinating Parks  Learning About Language 课件(28张ppt)

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(共28张PPT)
Section Ⅱ 
Learning About Language
走近新课·一起感知
语法探究·一起思考
随 堂 练 习
走近新课·一起感知
指出画线部分在句中所做的成分
1.Breathing becomes difficult at that altitude.
2.Reading English aloud in the morning will do you a lot of good.
3.Laying eggs is the ant queen’s full-time job.
4.It is worth making an appointment before you go.
主语
主语
主语
(真正的)主语
语法探究·一起思考
词汇讲解
语法讲解
词汇讲解
1.The Northeast Tiger and Leopard National Park was set up in Jilin and Heilongjiang,with boundary stretching all the way to the border and joining with Russia’s wildlife reserves.(page 28)
在吉林和黑龙江建立了东北虎豹国家公园,其界限一直延伸到国界线,与俄罗斯野生动物保护区连在一起。
剖析 本句中的with boundary stretching all the way to the border and joining with Russia’s wildlife reserves是“with+宾语+宾语补足语”结构,动词-ing形式做宾语补足语。
The boy sat there,with his eyes staring at the picture.
男孩坐在那里,眼睛盯着那幅画。
The guide talked there,with his finger pointing at the stone.
导游在那里说着,手指着那块石头。
【合作探究1】
读一读·细观察 
阅读下列句子,写出句中黑体部分的构成
①With the floor wet,I had to stay outside.
with+宾语+形容词
②The room is clean,with a dining table laid for a meal.
with+宾语+动词-ed形式
③With so much homework to do,I won’t go to see the film tonight.
with+宾语+动词不定式
说一说·勤归纳 
★stretch vi.延伸;延续 vi.& vt.伸展;舒展
Fields and hills stretched out as far as we could see.
放眼望去,田野山丘绵延不绝。
【合作探究2】
读一读·细观察 
阅读下列句子,写出句中黑体词的词性、词组和含义
①Is there any way of stretching shoes
词性 动词 含义 拉长
②I stretched out a hand and picked up that book.
词组 stretch out
含义 伸出
【即学即用】 单句语法填空
①The man was walking slowly with his pet dog _________ (follow) him.
②With so many problems ____________(settle),the mayor couldn’t sleep well.
完成句子
③这些活动的目的在于伸展你的腿部肌肉。
The exercises are designed ___ _______ ____ ____ ________.
④我们眼前是无尽的夏日。
Endless summer days _________ ________before us.
following
to settle
to stretch your leg muscles
stretched out
2.This vast new park is nearly four times larger than the old wildlife park protecting Siberian tigers in Northeast China. (page 28)
这个巨大的新公园比中国东北部那个保护西伯利亚虎的旧野生动物园大将近四倍。
剖析 本句中的four times larger than是倍数的表达方式之一。
This river is twice wider than that one.
这条河比那条河宽两倍。
This table is twice longer than that one.
这张桌子是那张桌子的三倍长。
【合作探究】
读一读·细观察 
阅读下列句子,写出倍数的其他表达形式
①This table is three times as long as that one.
表达形式 倍数+as+adj.+as...
②This sofa is three times the length of that one.
表达形式 倍数+the+n.+of...
③The price of the house this year is twice what it was last year.
表达形式 倍数+what从句...
说一说·勤归纳
【即学即用】
一句多译
他们的房子比我们的房子大两倍。
①Their house is ______ ______ _____ _____ _____ ours.
②Their house is ______ ______ _____ ours.
③Their house is ______ ______ _____ _____ _____ ours.
three times as big as
twice bigger than
three times the size of
3.It is both challenging and rewarding to study abroad.(page 29)
出国留学既具有挑战性,也很有价值。
★rewarding adj.值得做的;有益的
Reading can be very rewarding for everyone.
阅读对人人都会有莫大的好处。
【合作探究】
记一记·长知识 
reward vt.报答;酬谢
reward sb with sth 用某物奖励某人
be rewarded with 获得某种奖励
reward sb for (doing) sth 因为(做)某事奖励某人
She started singing to the baby and was rewarded with a smile.
她开始给孩子唱歌,孩子则报以微笑。
【即学即用】
单句语法填空
①Travelling along the old Silk Road is an interesting and ____________ (reward) experience.
②The students have been working hard on their lessons and their efforts will ____________(reward) with success in the end.
③They rewarded the boy ___________ a cake ___________ finding the lost dog.
rewarding
be rewarded
with for
完成句子
④很多专家倡导对小孩的良好表现加以奖励。
Many experts ____________ ____________ the children for their good performance.
advocate rewarding
语法讲解
知识脉络
语法精讲
1.动词-ing形式做主语往往表示经常性、习惯性的动作。
Reading is an art.读书是一门艺术。
Writing English novels for him is really great fun.
对他来说写英语小说很有趣。
2.动词-ing形式做主语有时也可以用it做形式主语。
用it做形式主语代替动词-ing形式,常出现在It is no use/good/fun/...doing sth,It is useful/useless doing sth,It’s a waste of time doing sth等结构中。
注意:动词-ing形式做主语时表示的动作通常是一个泛指的动作;而动词不定式则通常表示具体的动作。
Playing with fire is dangerous.玩火危险。(泛指)
Be careful!To play with fire will be dangerous.
小心点!玩火会危险。(具体动作)
【即学即用】
单句语法填空
①______________(study) abroad can be a good experience.
②His not _________________(know) English brought him a lot of inconvenience.
③It’s no good ____________(play) with such a lazy person.
Studying
knowing
playing
随 堂 练 习
单句语法填空
1.It’s no good ________________(smoke).You’d better give it up.
答案:smoking
2.His _________________(lose) bike made him very upset.
答案:losing
3._________________(suffer) from cancer made him painful and in low spirits.
答案:Suffering
4.Hearing how others react to the book you have just read _________________ (create) an added pleasure.
答案:talking
5.Making friends _________________(play) an important part in our life.
答案:plays
6.Li Ming’s ________________(come) late made his teacher very angry.
答案:coming
7.It is no use _________________(cry) over spilt milk.
答案:crying
8.It is a waste of time _________________(talk) about such useless things.
答案:talking

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