Unit13 We're trying to save the earth! Section A (1a～2d)课件(共30张PPT)

(共30张PPT)
Unit 13 We're trying to save the earth!
第一课时 Section A (1a～2d)
目录
01
02
名师点拨
课前预习
03
课堂小测
04
课后作业
课前预习
1. 乱扔 v. 垃圾;废弃物 n. ___________________
2. 底部；最下部 n. _________________
3.渔民；钓鱼的人 n. _____________________
4. 煤；煤块 n. __________________
5.丑陋的；难看的 adj. ___________________
核心单词
litter
bottom
fisherman
coal
ugly
6.优点；有利条件 n. ___________________
7. 花费 v. 花费；价钱 n. _________________
8. 木制的；木头的 adj. ___________________
9. 塑料的 adj. 塑料；塑胶 n. _________________
10. 外卖食物 n. ___________________
11. 垃圾箱 n. ___________________
advantage
cost
wooden
plastic
takeaway
bin
12. 水污染 ___________________
13.……的底部 ___________________
14. 给……写信 ___________________
15.参与 ___________________
16.把……变成 ___________________
常考短语
water pollution
the bottom of
write to
play a part in
turn … into
17. 减少; 砍倒 ____________________
18. 代替；反而 ____________________
19. 产生影响或作用 _______________________
cut down
instead of
make a difference
20. 我们正在努力拯救地球!
We're _________________________________!
21. 但它过去是那么干净！
But it used _______________________!
典型句子
trying to save the earth
to be so clean
名师点拨
cut down意为“减少;缩短;砍倒”，是动副结构，其后接的宾语为名词时，宾语可放在down的前面或后面，为代词时，只能放在down的前面。如：
We can't cut down the tree. It's 100 years old. =We can't cut the tree down. It's 100 years old. 我们不能砍倒那棵树。 它有100年历史了。
Trees are helpful to us. Don't cut them down. 树对我们来说是有用的，不要砍伐它们。
1
cut down的用法
( )1. Great efforts have been made to _______ the government's expenses (开支) to the certain level.
A. cut down B. cut in
C. cut out D. cut off
专 练
A
( )2. So far, too many trees have been _______.
A. cut off B. cut down
C. cut out D. cut up
B
2
be good for, be good at, be good with与be good to的区别
比较项 含义及用法 举例
be good for 意为“对……有好处”，反义词组为be bad for Eating more vegetables is good for your health. 多吃蔬菜对你的健康有好处。
be good at 意为“擅长……”，后面接名词、代词或动名词 I'm good at playing chess. 我擅长下象棋。
比较项 含义及用法 举例
be good with 意为“与……相处得好” Lily is very good with the children. 莉莉与孩子们相处得很好。
be good to 意为“对……友好” My friend was good to me when I was in trouble. 在我遇到麻烦时，我的朋友对我很好。
续表
( )1. —What do you think _______ us to learn English
—Reading more and listening more are very useful.
A. is good for B. is good to
C. is good with D. is good at
专 练
A
( )2. Jim _______ telling funny stories. He can always make people laugh.
A. is good for B. is good at
C. is good with D. is good to
B
make a difference (to …) 意为“(对……) 产生影响或作用”。difference前可用big, great等形容词修饰， 表示受影响的程度。make no difference to意为“对……没有影响”。如：
3
make a difference 的用法
The new teacher always encourages Tom. This makes a big / great difference to him. 新来的老师总是鼓励汤姆，这对他影响很大。
It makes no difference to him whether you accept or refuse. 你接受或者拒绝对他都没有影响。
根据汉语意思完成句子，词数不限
1. 你是去是留对我都没影响。
It _____________________________ me whether you go or stay.
专 练
makes no difference to
2. 学习驾驶时，有一位好教练会有很大的不同。
When you're learning to drive, having a good teacher ___________________________________________.
makes a big / great difference
一、根据首字母提示，用单词的适当形式填空，每空一词
1. In the past, people used ______________ to produce electricity.
2. The new car ______________ a lot of money, but it was certainly worth it.
课堂小测
c
oal
c
ost
3.There is a ___________________________ bed, a table and two chairs in this small room.
4. It is a very clean city. You will hardly find ___________
when you walk along the streets.
5.My uncle is a great ______________________ and he caught four fish this morning.
w
ooden / wood
l
itter
f
isherman
二、根据汉语意思完成句子，词数不限
6.牛奶对孩子们的健康有好处。
Milk _______________________ children's health.
7. 辛迪，请记得帮我寄信。
Cindy, please ____________________ me send the letter.
is good for
remember to help
8. 刚才，乔重重地摔在楼梯下面。
Joe landed heavily __________________________ the stairs just now.
9. 我们没有茶。你愿意喝点咖啡来代替茶吗？
We don't have any tea. Would you like some coffee ___________________________ tea
at the bottom of
instead of
10. 人们普遍认为教育会对一个人的生活产生巨大的
影响。
People generally believe that education can _________________________________________ a person's life.
make a great difference to
三、单项填空
( )11. You should believe that your hard work will make a _______ and lead _______ a better future.
A. difference; to B. different; for
C. different; to D. difference; for
A
( )12. I _______ 20 yuan buying this CD.
A. spent B. took
C. cost D. paid
A
( )13.Tom _______ be late for school in the past, but now he _______ getting to school early.
A. uses to； get used to
B. used to； gets used to
C. got used to； used to
D. used to； used to
B
( )14. —Can I throw the rubbish _______ the river
—No. Everyone should play a part _______ protecting the environment.
A. into； in B. in； for
C. to； by D. at； in
A
( )15.There is _______ rubbish in the forest. Let's pick it up.
A. much too B. too much
C. many too D. too many
B
课后作业
此部分习题详见独立装订的《课后作业》。请同学们完成《课后作业》Unit 13第一课时的练习题。
THANKS!