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1、2022年高中英語 Module2 Developing and developed countries 第4課時學案 外研版必修3
學習目標：
1. 理解并能夠運用連詞(but, however，although and while)
2. 了解不同連詞的含義
3. 利用例句歸納出語法規(guī)則
學習重點：理解并能夠運用連詞(but, however，although and while)
學習難點：利用例句歸納出語法規(guī)則
課前預習
使用說明與學法指導：
1. 利用例句歸納出語法規(guī)則
2. 15分鐘之內(nèi)完成
預習自測：
觀察下列從Reading and Vocabulary
2、中選取的句子，體會連詞but，however，although以及while的用法。
①Norway is at the top of the list，while the US is at number 7.
②The UK is in the thirteenth position，while China is in the middle of the list.
③However，the challenges are still great.Every day 799 million people in developing countries are hungry.
④Al
3、though more than 80% of children in developing countries go to primary school，about 115 million children are not being educated.
⑤However，in other regions of the world，e.g. Eastern Europe，water is now mostly safe to drink.
⑥The report shows that we are making some progress but that we need to m
4、ake greater efforts.
⑦Although developed countries give some financial help，they need to give much more.
[自我總結]
連接詞是連接單詞、短語、從句或句子的一種 ，在句中 作任何成分，但大多數(shù)連接詞都有具體的 和 。
我的疑問：
__________________________________________________________________________________________________________
5、________________________________
課內(nèi)探究
質疑探究：
用法
例句
but
連接兩個句子或短語在意義上必須完全相反。
They rushed to the hospital but they were too late.他們急忙趕到醫(yī)院，但是已經(jīng)太遲了。
however
指不管前面所說的如何，總以后面的為正確，含有不可置疑的含義。可用于句首、句中或句末。用逗號與其他部分分開。
He worked very hard. However，he failed.他工作很努力，然而失敗了。
You have not told us your
6、opinion.You can，however，make it clear now.
你還沒有告訴我們你的意見，但是現(xiàn)在你可以明白告訴我們。
The position is all right，there is room for improvement，however.
這篇作文還不錯，不過還可以改進。
although
意為“盡管；雖然”，可以與still，yet連用，但不能與but連用。后接讓步狀語從句，不接短語。
You can copy down my answers，although I'm not sure they're right.你可以抄下我的答案，但是我不確
7、定是否正確。
while
while作并列連詞，連接兩個句子，意為“而，然而，卻”。用作從屬連詞時，意為“雖然，盡管”引導讓步狀語從句；意為“正當……時候”引導時間狀語從句。
While never a big eater, he did snack a lot.
盡管他飯量從來不大，但零食確實是吃得很多。
I earn only 50 dollars a week，while she earns 80 dollars.
我一個星期只賺50元，她卻賺80美元。
She called while I was out.
我不在家的時候，她來訪了。
當堂檢測：
選詞填空(alth
8、ough/however/but/while)
1．The birth rate in developing countries is always high， it is paratively low in developed countries.
2．He hasn't arrived.He may， ，e late.
3．I think we should get the puter， it will take up much space.
4．He called for help again and again no
9、 one came to him.
5．One can't feel the air； ，it does exist.
6．She likes bread and milk a little， she doesn't like eggs at all.
7． ，they did not seem to have much effect.
8． I like maths，I have decided to major in English in college.
9．On a rainy day some people lik
10、e to stay at home others prefer to stay outdoors enjoying the rain.
10．We stayed until quite late.Our friends， ，left early as they wanted to catch a train.
課后反思：
_______________________________________________________________________________________________________________________
11、___________________
課后訓練
單項填空
1．________volleyball is her main focus，she's also great at basketball.(xx·北京卷，29)
A．Since B．Once C．Unless D．While
2．Unsatisfied________with the payment，he took the job just to get some work experience.(xx·重慶卷，33)
A．though was he B．though he was C．he was thoug
12、h D．was he though
3．Mary made coffee________her guests were finishing their meal.(xx·全國卷I，25)
A．so that B．a(chǎn)lthough C．while D．a(chǎn)s if
4．Just in front of our house ________with a history of 1，000 years.
A．does a tall tree stand B．stands a tall tree
C．a(chǎn) tall tree is standing D．a(chǎn) tall tree stands
5．________he was the last man I wanted to see，I did all in my power to help him.
A．As B．Now that C．Although D．However
2022年高中英語 Module2 Developing and developed countries 第4課時學案 外研版必修3
