资源简介

(共34张PPT)
复习课件
Unit 8
Our Blue Planet
Unit review单元复习
英语仁爱科普版新课标七年级下册
11. 机器 ________
12. 土壤 ________
13. 塑料 ________
14. 垃圾 ________
15. 习惯 ________
Lead-in
Write down the words according to Chinese.
1. 行星 ________
2. 海洋 ________
3. 地面 ________
4. 云彩 ________
5. 水珠 ________
6. 淋浴 ________
7. 牙齿 ________
8. 事实 ________
9. 陆地 ________
10. 步骤 ________
planet
ocean
ground
cloud
drop
shower
fact
land
step
machine
soil
plastic
habit
rubbish
tooth
Lead-in
Match the words with their meanings.
1. useful
2. quick
3. valuable
4. eastern
5. large
6. deep
7. wide
8. daily
大的、大量的
深的、厚的
东方的
有用的
快的、迅速的
每日的、日常的
宝贵的
宽的、宽阔的
Lead-in
Complete the sentences with the right forms of the words.
1. She _________ her teeth twice a day.
2. It’s our duty ___________ our planet.
3. Don’t _______ about him. He’s not a child.
4. You can’t ________ rubbish in the park.
brushes
to protect
worry
throw
brush collect worry cover search throw provide protect
Lead-in
Complete the sentences with the right forms of the words.
5. I need __________ some information about the project.
6. The streets are _________ with snow. It’s white everywhere.
7. I like ___________ stamps. It’s interesting.
8. The school _________ its students with a bus service.
to search
covered
collecting
provides
brush collect worry cover search throw provide protect
话题梳理
话题：Save water (节约用水)
功能：Talk about famous waterscape.
(谈论著名水景)
Talk about the importance of water.
(谈论水的重要性)
Talk about how to save water.
(谈论如何节约用水)
话题梳理
Save water
—What do you know about the Nile River
—It runs through eastern Africa.
—How long is it —It’s ... kilometers long.
Talk about the importance of water.
Talk about famous waterscape.
Talk about how to save water.
Water is very useful. At home, we use water to cook ...
Outside home, we can travel by water ...
Take a quick shower. Reuse water.
Turn off the tap while brushing your teeth.
考点突破
① —_______ is the Nile River —It’s 6,671 kilometers long.
A. How far B. How tall C. How long D. How much
② 这条绳子20米长。The rope is 20 ________ _______.
③ —海牛体长多少？—大约十英尺长。
—_______ _______ are manatees
—About 10 ______ _______.
考点突破
1. 如何询问和表达长度
meters long
How long
feet long
考点突破
知识复现
How long意为“多长、多长时间”，用来询问物体的长度，也可以对时间长短提问。
—How long is the Yellow River
—It’s 5,464 kilometers long.
—How long does it take you to get to school
—It takes me about 20 minutes.
1. 如何询问和表达长度
考点突破
知识复现
表达物体的长、宽、高等概念时，可用“数字+
单位+long/wide/high (tall)等形容词”来表示。
Our classroom is 9 meters long.
The river is about 10 meters wide.
Qomolangma is over eight thousand meters high.
Lily is about 1.7 meters tall.
1. 如何询问和表达长度
考点突破
① 尼罗河贯穿非洲东部。
The Nile River runs __________ eastern Africa.
② 一股香甜的气味透过窗子进来了。
A sweet smell came in _________ the window.
③ Walk _______ the park and you will see a museum.
A. across B. through C. cross D. crossing
考点突破
2. through的用法
through
through
考点突破
知识复现
through是介词，表示“穿过、贯穿”，主要表示从某个空间内部穿过，涉及“体”的概念。
He walked through the forest alone.
across也是介词“穿过”，主要表示从某物表面横过，涉及“面”的概念。
They walked across the road carefully.
2. through的用法
考点突破
① 今天我有足够的时间，所以我可以足够认真地做我的作业。
Today I have ________ ______, so I can do my homework
__________ _________.
② The room is _______ to hold ten people.
A. enough large B. large enough
C. small enough D. enough small
考点突破
3. enough的用法
enough time
carefully enough
考点突破
知识复现
enough adj. 足够的 adv. 足够地，修饰名词时常放在
名词前，修饰形容词、副词、动词时放在它们之后。
We have enough money to buy a big house.
The room is large enough for us to sleep in.
He runs fast enough to catch the bus.
Little Bob eats enough at every meal.
3. enough的用法
考点突破
① They ______ us ______ all the books we need.
A. provide, for B. provide, with
C. offer, for D. offer, with
② The goverment will ______ food ______ the poor family.
A. provide, for B. provide, with
C. offer, for D. offer, with
考点突破
4. provide的用法
考点突破
知识复现
provide v. 提供，无主动之意，是出于某种责任提供有用的东西。provide sth. for sb. = provide sb. with sth.意为“向某人提供某物”。
They provide some food for the poor every year.
=They provide the poor with some food every year.
4. provide的用法
考点突破
知识复现
offer也表示“提供”，常表示主动提供某物，或主动提出做某事。offer sb. sth.=offer sth. to sb. 意为“向某人提供某物”。
Jim offered the old lady his own seat.
=Jim offered his own seat to the old lady.
4. provide的用法
考点突破
① 我们加入他们的行列，帮助小孩子写作业吧。
Let’s ______ ______ to help the kids with their homework.
② 我们将要做一些对环境有影响的事情。
We’ll do something to ______ ____ ___________ _____
the environment.
考点突破
5. Join me and let’s make a difference together.句子精析
join them
make a difference to
考点突破
知识复现
① join sb.表示“加入某人行列、参与某人的活动”。
Join us! Let’s protect the environment together.
② make a difference意为“起作用、产生影响”，后面
可以搭配to sth.，表示“对……起作用、有影响”。
Small kindness can make a big difference to the world.
5. Join me and let’s make a difference together.句子精析
考点突破
① 你可以关掉收音机吗？你的哥哥正在写作业。
Can you ______ ______ the radio Your brother is
doing his homework.
② 汤姆一天刷两次牙。
Tom ________ _____ _______ twice a day.
考点突破
6. ... turn off the tap when brushing your teeth ...句子精析
turn off
brushes his teeth
考点突破
知识复现
① turn on/off表示“打开/关闭水、电、煤气等”。
Turn on the TV. There’s a football match now.
② brush one’s teeth意为“刷牙”，brush的第三人称
单数形式为brushes，teeth是tooth（牙齿）的复数。
She brushes her teeth at 7:00.
6. ... turn off the tap when brushing your teeth ...句子精析
语法突破
读出下列数字：
① 94, 295 ② 16,250,064 ③ 5, 237, 166, 234
语法突破
1. Numbers (大数字的表达法)
① ninety-four thousand, two hundred and ninety-five
② sixteen million, two hundred and fifty thousand and sixty-four
③ five billion, two hundred and thirty-seven million, one hundred and sixty-six thousand, two hundred and thirty-four
语法突破
知识复现
英文中四位数或者四位以上的数的拼写规律：
从右往左每三位加一逗号，第一个逗号前的数为thousand (千)，第二个逗号前的数为million (百万)，
第三个逗号前的数为billion (十亿)。
比如：23,456,302,450
twenty-three billion, four hundred and fifty-six million, three hundred and two thousand, four hundred and fifty
1. Numbers (大数字的表达法)
语法突破
① 刷牙时不要让水不停地流。
_______ keep the water running while brushing your teeth.
② 禁止垂钓！______ fishing!
③ 不要把它放在这儿。请把它放到那张大椅子上。
______ _____ it here. Please ______ it on that big chair.
语法突破
2. Imperatives (祈使句)
Don’t
No
Don’t put
put
语法突破
④ ______ (turn) off the tap each time after using water.
⑤ Don’t _______ (throw) rubbish everywhere.
⑥ Let’s _______ (save) water together!
⑦ You can’t take long showers. （同义句）
___________________________
语法突破
2. Imperatives (祈使句)
Do not take long showers.
Turn
throw
save
语法突破
知识复现
用于表示叮嘱、劝告、提醒、希望、禁止、请求或命令的句子叫做祈使句。
Be careful with that knife.（表示提醒）
Please turn off the tap.（表示请求）
Don’t waste water.（表示命令）
2. Imperatives (祈使句)
语法突破
知识复现
祈使句的特点：
① 祈使句主语为you，常省略；
② 以动词原形开头，无时态和数的变化；
③ 表达比较强烈的语气时，可以用感叹号。
比如：Shut up! 闭嘴！
2. Imperatives (祈使句)
语法突破
知识复现
肯定祈使句的构成：
① Do型（以动词原形开头）
Open the door, please.
② Be型（Be+表语+其他成分）
Be polite to everyone you meet.
③ Let型（Let+宾语+动词原形+其他成分）
Let’s go shopping this afternoon.
2. Imperatives (祈使句)
语法突破
知识复现
否定祈使句的构成：
① Don’t+动词原形
Don’t play soccer in the street.
② No+doing / 名词
No feeding the animals! / No photos!
2. Imperatives (祈使句)
Task 1
Have a PK
Choose a waterscape and try to introduce it. Have a PK with another group. The group which gave the most information is the winner.
Yellow River is 5,464 kilometers long.
The Pacific Ocean is very large and deep. It’s one of the four oceans on the earth.
PK
Task 2
Think and write
Water is very important to us. How can we save water Think and write down at least three ways to save water.
1. Don’t use the washing machine for just a few dirty clothes.
2. Take a shower, not a bath.
3. Don’t throw away drinking water bottles when there is still water in them.
4. ...
Summary
Talk about famous waterscape.
Talk about the importance of water.
话题梳理
Save water
Talk about how to save water.
Summary
要点回顾
（1）如何询问和表达长度
（2）through的用法
（3）enough的用法
（4）provide的用法
（5）Join me and let’s make a difference together.句子精析
（6）... turn off the tap when brushing your teeth ...句子精析
（7）Numbers (大数字的表达法)
（8）Imperatives (祈使句)
Homework
1．Review what we learned in this unit.
2．Preview Unit 9 Listening & speaking.

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