仁爱版英语九年级上册同步学案Unit 2 Topic 3，转给学生看看
Unit 2 Topic 3 导学案
【每日赠言】
Think twice before acting.三思而后行.
【学习目标】
1.学习由连词or,and,but,和while连接的复合句；
2.从“减量”，“再使用”，和”再循环”的角度讨论保护环境。
【自主学习】
一 读1a，回答1b，1c。
二、 在文中找到并划出下面的短语
1. 两面纸 ______________________
2.塑料袋_______________________
3.不仅…而且…________________
4.省钱________________________
5.鼓励某人做某事_______________
6.饮料罐________________
7.把他们分类_____________
8.为了, 以便于…__________
9.应该___________________
10.放弃__________________
【小组合作】
在文中划出下面的句子并分析
1.We all know that you’re working for an organization that protects the environment.
译：_________________________
思考：句中的第一个that引导 __________从句, 第二个that引导___________从句
点拨：work for 为…工作 链接：play for ___________
work out 算出 work hard at 在…方面工作努力
2.My main job is to help spread the message about protecting the environment.
译：__________________________
总结：help sb. (to) do sth.帮助某人做某事
help sb. with sth.帮助某人某事
can’t help doing sth禁不住做某事
3. I think recycling can not only protect the environment but also save money.
译：______________________________
点拨：not only …but also… 不仅……而且…, 并列连词短语，连接并列的各种成分， 当连接并列主语时，
谓语动词和邻近的主语保持一致，即“就近原则”。
4 . (1) You nod your head and it means agreement.
译:________________
(2) Hurry up, or you’ll miss the train.
译:________________
( 3) Water is important but some people don’t save it. 译:_______________
(4) Some people protect animals while others kill animals. 译:_______________
连词 or, and, but 和 while的用法
表示并列关系，用and 表转折，用but, while 表选择，用or…
【课后练习】
( )1.---Would you like to go on a picnic with us ?
---I'd love to, but I have to get my parents_____first.
A. agreement
B. surprise
C. offer
D. share
( )2.You'd better take care, _____you will hurt your eyes.
A. so
B. but
C. or
D. and
( ) 3.Mr.Li often encourages me_______ English.
A. study
B. studying
C. to study
D. studies
( )4.He has failed three times, but he doesn't_______.
A. give up
B. come up
C. turn up
D. set up
用or，and，but或while填空。
1.I like singing _____my sister likes dancing.
2.Work hard, ____your dream will come tree.
3.Be careful, ____you’ll break that vase(花瓶）.
4.At first he was a little shy, ____now he acts more naturally.
5.Almost two fifths of the students in the school are boys_____ the rest are girls.
【每日赠言】
The early bird catches the worm.早起的鸟儿有虫吃。
【学习目标】
1.学习用ought to提建议；
2.从身边小事做起，师生一起保护环境，做一个环保人。
【自主探究】
一、 读1a，完成 1b，1c。
二、 在文中找到并划出下面的短语
1.成为一个环保人士_________
2.关(灯…)_______________
3.骑车_________________
4.最好做…__________
5.代替…________________
6.短距离旅行_____________
7.节约能源______________
8.减少空气污染_____________
9.带个布袋_________________
10.应该____________________
【小组合作】
在文中划出下面的句子并分析
1.You ought to turn off the lights when you leave a room.
译：_____________________________
点拨：ought to---应该，应当(情态动词，无人称，时态及数的变化)
语义同should
注意：ought to的否定形式为ought not to do sth., 缩略形式oughtn’t to
疑问形式为Ought + 主语 + to do sth.? 肯定回答：Yes, 主 + ought. 否定回答：No, 主 + ought not.
2.You’d better walk or ride a bike instead of taking a bus or a taxi if you travel a short distance.
译：_____________________________
点拨：’d better = had better
总结：had better (not) do sth. 最好(不)做某事
点拨：instead of代替，而不是 (介词短语)
3. Easier said than done
译.______________________
4.Actions speak louder than done
译.______________________
【课后练习】
1.You ______ ______(应该) throw the rubbish into the garbage.
2.You should ______ ______(关闭)the electricity when you leave a room.
3.You’d better walk or ride a bike ______ _____ (代替) taking a bus or a taxi if you travel a short distance.
4.It’s so ______(容易) to be a greener person.
5._______ _____ _____ _____ _______(行动胜于言辞)
( )1.Students ought _____ the truth.
A. to tell
B. tell
C. telling
( )2.He is tall, ____ his son is short.
A. when
B. or
C. while
( )3.You'd better _____ out alone at night.
A. not to go
B. to go
C. not go
( )4.Please_____the lights when you leave the office.
A. turn on
B. turn off
C. turn up
( )5.Never give up _____, you'll succeed one day.
A. study
B. studying
C. to study
( )6.We should______the electricity when you leave a room.
A.Shut off
B. turn on
C. give up
【每日赠言】
Whatever you go, go with all your heart. 无论做什么事,一定要全力以赴.
【学习目标】
1.继续学习连词引导的复合句；
2.了解现代科学技术在环保方面的作用。
【自主学习】
一、先查1a的生词的意思，再读短文，然后给每段选出合适的图片，最后完成1b
二、 在文中找到并划出下面的短语
1.produce power from coal____________
2.使用核能生产能源_______________
3.全世界的人_____________________
4.寻找新办法_________________
5.首批国家之一___________________
6.在人们的日常生活中__________
7.在20世纪90 年代______________
8.最著名的磁悬浮火车___________
9.最高时速_____________________
10.贵得多_________________
【小组合作】
1.Some countries use nuclear energy to produce power.
译：_________________________
点拨：use sth. to do sth.=use sth. for doing sth. 使用某物做某事
2.The Maglev trains are very efficient and do not pollute the air
译：_________________________
3. The train can reach a top speed of 431 km per hour.
译：_________________________
点拨：reach a speed of+具体速度 达到某个速度
链接：at a speed of + 具体速度以某个速度, 可用high, low, full等形容词修饰speed 。
4. It takes people just 7minutes to go to the airport 30km away.
译：__________________________
5.However, maglev guide paths are much more expensive than traditional steel railways.
译：___________________________
点拨：a lot, much, far, a little ,even等词修饰形容词比较级。
【课后练习】
( )1.I bought a new book and it _____ me 30 yuan.
A. took
B. spend
C. cost
( )2.You’d better ride a bike instead of ______ a bus.
A. take
B. to take
C. taking
( )3.If we_____ the sources worldwide, it means human beings are dying out.
A. come out
B. use out
C. run out
( )4.These young men are from_____ .They are all______.
A. Germany,Germans
B. German,German
C. Germany,German
( )5.You’d better _______ litter here and there.
A. throw
B. to throw
C. not throw
【每日赠言】
A good medicine tastes bitter.良药苦口利于病
【学习目标】
1.总结并列句的用法；
2.继续学习和拓展环境保护的话题。
【自主学习】
在文中找到并划出下面的短语
1.砍倒_________________
2.例如_____________________
3.50年后___________________
4.制造氧气_________________
5.面临许多困难______________
6.去除二氧化碳______________
【小组合作】
在文中划出下面的句子并分析
1. Forests can remove carbon dioxide from the air and make oxygen
译:_______________________________
2. There young men and women face many difficulties when they plant new trees.
译:_______________________________
3. The weather may be hot and dry or it may be very col dand wet
注意: 句中的or 是连词，表示或者。
译:________________________________
【课后练习】
用适当的并列连词填空（and，but，so，while，or）。
1. Go along the street, _______ you'll find the shop．
2. The weather was very cold，_______ many people were ill．
3. Swimming is good for your arms, ____climbing mountains is good for legs.
4. I know him, _______ I can't remember his name．
5. You may go with him _______ stay at home．
6. Let's take the stone away,______ there may be an accident．
7. My glasses were broken，_______ I need a new pair．
8. He has failed several times, _______ he never gives up.
9. We are planting trees _______ they are watering flowers
二、补全对话
A::Hello David！1.__________________
B:Hello,Lucy!
A:I called you an hour ago，but no one answered the phone. 2. __________________
B:Oh, I have been to the bookstore.
A: 3. ____________________________
B：Yes, I’ve bought some books. And one is for you.
A: 4.___________________________
B：It is about how to be a greener person. I know you're interested in it.
A：Yes, thank you so much！
B: 5.___________________________
写在最后：
期待在下方留言“每日打卡”，让我看到你们的坚持！
转发，是最好的支持
学习之路，现在开始也不晚!