Unit4 Save the trees
Speaking&Writing同步练习
辨音题，选出划线部分不同读音的选项。
( ) 1. A. speak B. sport C. special D. stand
( ) 2. A. snow B. small C. smile D. smoke
( ) 3. A. plane B. play C. practice D. please
( ) 4. A. twenty B. two C. twelve D. between
( ) 5. A. first B. star C. stop D. shop
二、单选。
1. - Look! The farmers________ down trees now.
- ___________. Why not stop them doing that
A. cut; Sounds great B. cut; I'm not sure21·cn·jy·com
C. are cutting; It doesn't matter D. are cutting; That's too bad【来源：21·世纪·教育·网】
2.- How do trees help us Do you know
- For_______ example, they can keep air cool _______clean.21·世纪*教育网
A. an; but B. an; and
C. /; but D. /; and
3.Trees can ______ us _____ fruit. They are very useful and important in our daily lives.
A. protect; with B. provide; with
C .protect; for D. provide; for
4.We should not ________ trees. We should plant more trees.www.21-cn-jy.com
A. cut down B. turn down C. turn up D. cut up
5.- This kind of new car can produce little ______ gases and it is cheap.www-2-1-cnjy-com
- Sounds good. I'll think about when ______ it.
A. useful; buying B. useful; to buy
C. harmful; buying D. harmful; to buy
情景对话。
A. Trees help us a lot in our daily lives.B. You are right.C. We must stop them.D. Without trees, air gets worse and worse.E. For example, it can provide us with paper and pencils.
Kate: Do you like trees, Tom
Tom: Yes, Kate.
Kate: (1)
Tom: I think so. (2) And a lot of furniture is made of wood. We should protect trees.21世纪教育网版权所有
Kate: But people cut down millions of trees every year. (3)
Tom: Yes. (4) We need trees take in harmful gases.21教育网
Kate: Protecting trees is protecting ourselves.
Tom: (5)
四、写作。
请你根据下面的内容提示，以The uses of trees为题，写一篇关于树的用途的文章。60词以上，可以适当发挥。（开头已经给出，不计入总词数）21cnjy.com
提示：
1．树可以为我们提供很多有用的东西，如水果，药品，木材等；
2．树为人类提供氧气，净化空气，美化环境，有利于生态环境的保护；
3．树可以为动物和鸟类提供家园和足够的食物，保持生态平衡(the balance of nature)；
4．树能够、防止水土流失和减少土地变成沙漠 (desert)。
The uses of trees
For humans, trees have a lot of uses.
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Unit4 Save the trees
Speaking&Writing同步练习答案
一、1-5 DACBD
二、1-5 DDBAD
三、1-5 AECDB
四、(One possible version)
The uses of trees
For humans, tree ( http: / / www.21cnjy.com" \o "欢迎登陆21世纪教育网 )s have a lot of uses. Trees can provide us with many things, such as fruit, medicine and wood. Trees can produce oxygen for people to breathe, keep air cool and clean. We can make our environment better by protecting trees. Trees are home to animals and birds and provide them with enough food. Trees can help keep the balance of nature. Trees can stop earth moving away with water and make less land become a desert. We can’t imagine a world without trees. 2·1·c·n·j·y
【书面表达写作指导】
本次书面表达要求写关于树的用途的文章。写作时要注意以下几点：
1. 确定时态，应使用一般现在时进行写作；
2. 书写正文时，要围绕文字提示展开内容，不能遗漏要点；
3. 注意正确使用情态动词can；
4. 文章完成之后，要通读全文，检查语法是否正确、要点是否齐全。
21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 （共 2 页）
精品资料·第 1 页 （共 1 页） 版权所有@21世纪教育网(共34张PPT)
Unit 4
Save the trees
Oxford English
Module 2 Man's best friends
Speaking
Writing
Revision
A big black bug bit a big black bear, made the big black bear bleed blood.
Freshly-fried flying fish.
Bill's big brother is building a beautiful building between two big brick blocks.
Toungue twist
Read these sentences as quickly as possible.
Pay attention to the bold.Who reads the best
学习重点
1.字母组合sk,sp,st,sl,
sm,pl,pr,kw,tw的读音
2.Talk about why trees
are important
3.Write a passage about Tree Planting Day
Lead-in
Watch and pay attention to the rules of pronunciation for two letters.
scar
score
scared
school
scholar
/sk/
sk
sc
sch
sky
skate
skin
skill
/S/后的清辅音/k/在重读时要读成其相对的浊辅音/g/。
Presentation
这是英语发音的一个不成文规则-清辅音的浊化。
基本的规律: 清辅音跟着一个元音，前面又有一个 s ，无论是在单词的最前面还是中间，只要是在重读音节或次重读音节里，一般都读成对应浊辅音。简单说来就是s+清辅音 （[k],[p],[t])+元音这样音标的单词（注意，是元音不是元音字母），比如school ：[sku:l]。需要注意的是， 跟拼写无关，跟音标有关。
清辅音浊辅音对应：
/p/→/b/，/t/→/d/，/k/→/g/
sp
st
/sp/
/st/
spring
space
speak
student
stand
star
Presentation
Pay attention to these words with /sk/, /sp/ and /st/. Read them aloud.
ask risk school sky
crisp grasp space speed
first star study west
Practice
Pay attention to these sentences with /sk/, /sp/ and /st/. Read them aloud.
1.Steve is a student. He always skates at half past three.
2.I have bought a special gift for my favourite star in our school.
Watch and pay attention to the rules of pronunciation for “sm”.
sm
sl
/sm/
/sl/
smoke
smking
smile
slide
sleep
slow
Pay attention to these words with /sl/and /sm/. Read them aloud.
Practice
sleep slide slow
small smile smoke
Pay attention to these words with /sl/and /sm/. Read them aloud.
1.The baby is sleeping with a smile on his face.
2.She slid the door open and came in slowly.
pl
pr
/pl/
/pr/
plant
play
pleasure
pray
present
practice
plane please reply
practice present pretty
Pay attention to these words with /pl/ and /pr/. Read them aloud.
Practice
Pay attention to these words with /pl/ and /pr/. Read them aloud.
1.Please take your baggage and be ready to get off the plane.
2.Her reply to the surprising present is
pretty funny.
qu
tw
/kw/
/tw/
queen
question
twenty
twelve
twins
Presentation
Pay attention to these words with /kw/ and /tw/ . Read them aloud.
question quiet quit
between twelve twenty
I’m quick!
Practice
Pay attention to these sentences with /kw/ and /tw/. Read them aloud.
1.Everyone keeps quiet becuse nobody
knows the answer to the question.
2.She is twelve years old but performs a
twenty-year-old girl in the programme.
Practice
Repeat the words after the tape.
Talk time
1. Stanley is small and slim. He is a smart student,but he works slowly when he is sleepy.
2. The queen likes playing sport.She likes skating a lot.She can skate at a very high speed because she practises a lot.
3.They planned to have a quick meeting on the project for twenty minutes,but the speaker did not stop speaking until twenty past twelve.
Read these sentences. Pay attention to the letters in bold.
New drills
What can trees do
Trees can fight against air pollution.
树木能与空气污染抗衡。
Trees can protect us from the hot Sun.
树木能保护我们，使我们不被太阳晒着。
Trees can prevent water and soil erosion.
树木能防止水土流失。
Trees can take in harmful gases from the air,
and release oxygen into the air.
In groups, discuss why trees are important.
And give a short summay .
Speak up
Follow the example:
I think trees are very important for us.
They help us…
Without …, we cannot…
We get … from …
Let’s see which group has listed the most uses!
Have one of your group members share your list of the uses of trees with the rest of the class.
Tree Planting Day
Writing
中国植树节定于每年的3月12日(March 12th)，是中国为激发人们爱林、造林的热情，促进国土绿化，保护人类赖以生存的生态环境，通过立法确定的节日。在该日，全国各地政府、机关、学校、公司会响应造林的号召，集中举行植树节仪式，从事植树活动。
Tree Planting Day
It is Tree Planting Day. Some people are working near Rebecca’s home. Rebecca took some photos of them.
Today, we are going to write a story about the pictures!
What the people are doing in the pictures.And then make conversations about what is going on in the pictures with the words in brackets.
S1: What are the workers doing
S2: Two workers are digging holes on the ground and another worker is planting a tree in the hole.
S1: What is/ are … doing
S2: …
Pairwork
In pairs to discuss the pictures. Make your conversation.
You have used the present continuous tense to write the story. Can you use the simple past tense to make the story into a report
Writing
Groupwork
In groups, check your composition with each other to make them better. Check the grammar, check the words … Do everything necessary to improve your composition!
1. Finish the exercises in Learning English.
2. To preview More practice
3.完成《综合练习册》第60页Writing的练习。
Homework
