Unit 4 Planting trees is good for us.
Part A
词汇积累
一.选择正确的选项，将单词补充完整。
（ ）1. p nt (种植)
A. al B.ea C. la
（ ）2.pl (地方)
A. ace B. eca C. ane
（ ）3. be tiful （漂亮的）
A. ea B. au C. ae
（ ）4. r(空气）
A. ae B. an C. ai
（ ）5.c an（干净的）
A. lo B. el C. le
二． 给下列短语选择正确的翻译。
（ ）1.Tree Planting Day A.植水果树
（ ）2.keep the air clean B. 使我们保持凉爽
（ ）3.plant fruit trees C.使这个地方漂亮
（ ）4.make the place beautiful D.照顾
（ ）5.look after E.保持空气清洁
（ ）6. keep us cool F. 植树节
语句应用
三．单项选择。
（ ）1. Tree Planting Day is 12th March..
名师导学
①课时目标
重点词汇积累：
air 空气
place 地方
Tree Planting Day
植树节
plant trees 植树
keep the air clean
保持空气清洁
keep us cool
让我们保持凉爽
make the place beautiful
使这个地方更漂亮
trees with flowers
开花的树
look after 照顾
water the young trees
给小树浇水
cut down 砍倒
more and more
越来越多
get hotter and hotter
变得越来越热
实用句型集锦：
1. Tree Planting Day in is on12th March.
中国的植树节是在三月十二日。
2. Planting trees is good for us.
植树对我们是有益的。
3. My friends and I enjoy planting trees. 我的朋友们和我都喜欢植树。
4.We should look after them. Soon they will become big trees. 我们应该照顾好它们。很快它
们就会变成大树。
A. on B. at C. in
（ ）2. The children enjoy games.
A. play B. plays C. playing
（ ）3. I should my little sister.
A. take care B. look like
C. look after
（ ）4.Trees can keep the air .
A. clean B. beautiful C. hot
（ ）5. Planting trees good for us.
A. am B. is C. are
四.选择单词并用其适当形式填空。
look after plant good make water
We enjoy trees.
You should the young trees every day.
Can you yourself?
Trees can the place beautiful.
Doing exercise is for us.
综合提升
五. 连词成句。
1. keep , trees, us, can, cool (.)
.
2. is, fun, planting, trees (.)
.
3. the, should, look, we, young, after , trees(.)
4. good, planting, for, is, trees ,us (.)
5. will, plant, more, I, trees (.)
5. The earth is getting hotter and hotter.地球变得越来越热..
6. Trees help to make the air cool and fresh. 树可以 帮助使空气清新凉爽。
7. Let’s plant more trees to make the Earth clean and green.让我们植更多的树来使地球更绿更干净。
②名师精析
1. My friends and I enjoy planting trees. 我的朋友们和我都喜欢植树。
当表达某人和我的时候，要把第一人称I 放在后面。如： My sister and I are both students.
enjoy 意为“喜欢；享受”
enjoy doing sth 表示“喜欢做某事”如：
He enjoys swimming。
2. The earth is getting hotter and hotter.地球变得越来越热..
hotter 是形容词hot 的比较级，表示“更热的”,在英语中，
“比较级+and+比较级 “ 表示“越来越” 如： colder and colder 越来越冷
better and better 越来越好
more and more 越来越多
③知识拓展
the+比较级，the+比较级，表示“越……越……”。如： The more we do for the people，the happier we'll be．
我们为人民做得越多，就越幸福。 The more，the better.
多多益善。
Part B
听力乐园
一. 听音，选出你所听到的单词。
（ ）1. A . clean B. cool C. keep D. car
（ ）2. A . hot B. hotter C. get D. getting
（ ）3. A .building B. changing C. singing D. interesting
（ ）4. A .plant B. down C. become D. long
（ ）5. A .spring B. air C. fresh D. rice
二. 听音给下面的句子排序。
( )1. The Earth is getting hotter and hotter.
( )2. Why do people cut down trees?
( )3. People cut down trees to make more roads and buildings.
( )4. Farmers need the land to grow food.
( )5. Trees can help to make the air cool and fresh.
( )6. We need to plant more trees.
词汇积累
三.根据首字母及汉语提示填写单词
1. (植树节) is on 12th March.
2. Don’t c down trees.(砍)
3. Farmers need l (土地) to grow rice and vegetables.
4.The E (地球) is getting hotter.
5. The Great Wall is a great p (地方）to visit.
语句应用
四.单项选择
( ) 1.We need more trees.
A. plant B. to plant C. planting
( )2. Trees can keep cool.
A. us B. we C. our
( ) 3.The weather is getting in August.
A. more hot B. hoter C. hotter
( )4. We should not cut trees.
A. off B. up C. down
( ) 5. There are books in our library.
A. many and many B. more and more
C. some and some
五. 用所给单词的适当形式填空。
1. There (be) more and more cars now..
2. The weather is (change).
3. You need (go) home now.
4. I often help my mother (do) housework.
5. (plant) trees is good for us.
综合提升
六. 根据汉语意思补全句子。
1. 路越来越多了。
There are roads.
2. 地球正在变得越来越热。
The Earth is .
3. 为什么人们砍树？
do people trees?
4. 我们需要每天锻炼身体。
We every day.
5. 我们应该照顾它们。
We should .