Unit8 Our Blue Planet 单元知识点 仁爱科普版七年级下册

七年级 Unit8
I重点词组:
a 99-meter-high waterfall 一个 99 米高的瀑布
run through 贯穿;流过
on the earth 在地球上
talk about… 谈论…
on sunny day 在晴天
go up 上升;上涨;增长;建起
as we all know 众所周知
be important to… 对… 重要
in our life 在我们的生活中
because of… 因为;由于…
save every drop of water 节约每一滴水
start to do sth 开始做某事
make a wish 许愿
turn off the tap 关掉水龙头
brush your teeth 刷牙
make a poster 制作一张海报
living things 生物
by water 乘船;由水路
go on 继续
turn into… 变成…
get cold 变冷
go up 上升;上涨;增长;建起
take a quick shower 快速洗个澡
turn off 关掉;关闭
as a matter of fact 事实上
be home to 是…… 的家园
once a week 一周一次
get water 取水;得到水
spend + 时间 / 金钱 + on sth (in) doing sth 花费……(做) 某事
worry about… 担心…
join somebody 加入某人 (的活动等)
make a difference 有影响;起作用
make full use of… 充分利用…
cover 覆盖;包括;涉及;报道
World Water Day 世界水日
ask somebody for suggestions 向某人征求建议
search for… 寻找…
introduce to 把… 介绍给
start with… 以… 开始
washing machine 洗衣机
throw away 扔掉;丢弃
drink water bottles 饮用水瓶
be careful 小心;注意
be sure to do 务必做某事;一定要做某事
ways to do something 做某事的方法
provide something for somebody 为某人提供某物
keep + 宾语 + 形容词 保持… 状态
up to 多达;直到;取决于
a 16-year-old boy 一个16岁的男孩
plastic bag 塑料袋
give somebody a great shock 给某人一个巨大的震惊
get home 到家
decide to do something 决定做某事
keep sb/sth doing 让某人 / 某物一直做某事
develop a good habit 养成一个好习惯
in your daily life 在你的日常生活中
II重点句型:
It is a 99-meter-high waterfall in North America.这是北美洲一个99米高的瀑布
一个8岁男孩_____________________
It is 6,671 kilometers long. It runs through eastern Africa.它长6671千米,贯穿东非
run through 贯穿;流过
eastern是由east + ern构成的形容词
western(西方的),northern(北方的),southern(南方的)
China is an eastern country.中国是一个东方国家
It is an old freshwater lake on the earth. It is over 25 million years old.这是地球上一个古老的淡水湖,它有两千五百万年以上的历史
over=more than超过
It is an inland sea in the northeast of China.这是中国东北部的一个内陆海
(1)in方位介词,强调两者的包含关系
Taiwan lies in the southeast of China. 台湾位于中国的东南部
(2)on方位介词,两地接壤,互不管辖
Hebei is on the north of Henan Province. 河北在河南省的北边
(3)to方位介词,互不管辖;强调两者是远距离关系,常有湖泊 江河 海洋相隔
Chongqing is to the south of Beijing. 重庆在北京的南方
Japan lies to the east of China. 日本位于中国的东面
On sunny days, water goes up into the sky and forms clouds.在晴天,水上升到天空形成云
As we all know, water is very important to us.众所周知,水对我们非常重要
as is known to all = as we all know意为“众所周知”,作插人语放在句首 如:
As is known to all,Bejing is the capital city of China.______________________
be important to sb:对某人来说很重要
例:Health is important to us 健康对我们很重要
But we can only use about 1% of the water on the earth. The rest is all sea water or ice.但我们只能使用地球上大约1%的水 其余的都是海水或冰
the rest of + 名词
of 后接可数名词复数:谓语用复数
例:The rest of the apples are red. 其余的苹果是红色的
of 后接不可数名词:谓语用单数
例:The rest of the milk is in the fridge. 剩下的牛奶在冰箱里
Let's save every drop of water.让我们节约每一滴水
Turn off the tap when you brush your teeth.What about making a poster about saving water 刷牙的时候关掉水龙头 制作一张关于节约用水的海报怎么样
All living things need water.所有生物都需要水
Plants need water to grow.植物需要水来生长
need sth to do sth需要某物来做某事
例句 1:We need money to buy food 我们需要钱来买食物
例句 2:Students need books to study 学生们需要书来学习
Water is very useful.水非常有用 useful useless
Outside home we can travel by water do exercise in water and have fun with water.在户外,我们可以乘船出行 在水中锻炼以及玩水嬉戏
have fun doing sth做某事很开心
例:I have fun reading books 我读书读得很开心
On sunny days water goes up in the air and turns into clouds in the sky.在晴天,水上升到空中并在天空中变成云
turns into变成
Ice turns into water when it's warm 天气暖和时冰变成水
Water in the air gets cold ,makes clouds and then forms water drops.空气中的水变冷,形成云,然后形成水滴
get 变得,表示状态变化
It gets dark early in winter 冬天天黑得早
She gets angry when she loses the game 她输了比赛就变得很生气
Are there any people living in the desert 沙漠里有人居住吗
There be +主语+doing有某人 / 某物正在做某事
There are some birds singing in the tree.树上有一些鸟在唱歌.
As a matter of fact , the desert is home to many people.事实上,沙漠是许多人的家园
be home to…是…所在地/栖息地
I know a family living in the desert.我知道有一个家庭住在沙漠里
a young woman living in Austria一个住在奥地利的年轻女子(表主动)
a boy called Kangkang一个叫康康的男孩(表被动)
Water is so important and valuable for them.水对他们来说是如此重要和珍贵
The family don't have enough water.这个家庭没有足够的水
enough+名词 或名词+enough enough money足够的钱
形容词或副词+enough
他年纪足够大了,可以去上学了 _______________________________
They can only take a quick shower once a week.他们一周只能快速洗一次澡
Most people get water from the underground so they have to spend a lot of money digging wells.大多数人从地下取水,所以他们不得不花很多钱打井
spend+时间或金钱+ on sth
in doing sth花费……(做)某事
She spent 50 yuan on this book.她花了五十元买这本书
(in) buying this book.
I don't need to worry about water but now I start to save water.我不需要担心水的问题,但现在我开始节约用水
worry about=be worried about担心
Join me and let's make a difference together.加入我,让我们一起做出改变
The Qinghai Lake covers about 4,600 square kilometers.青海湖面积约4600平方公里 cover 覆盖;包括;涉及;报道
Introduce the poster to…向……介绍这张海报
introduce sb. /sth.介绍某人/某物
introduce sb. /sth to sb.向某人介绍某人/某物
introduce oneself to sb.向某人自我介绍
introduction n.指示;说明
We all need water but there isn't enough water on the earth.我们都需要水,但地球上没有足够的水
Don't throw away drinking water bottles when there is still water in them.当饮用水瓶里还有水的时候,不要扔掉它们
And you are sure to find many ways to save water.而且你一定能找到很多节约用水的方法
be sure to do sth一定会做某事
He is sure to come tomorrow. 他明天一定会来
Provide home for plants and animals.为植物和动物提供家园
provide sb. with sth为某人提供某物
provide sth. for sb为某人提供某物
The school ______ lunch ____ the children.学校为孩子们提供午餐
The school _______ the children ____ lunch.学校为孩子们提供午餐
Keep the air clean and fresh.保持空气干净清新
keep + 宾语 + 形容词 保持… 状态
She keeps the room clean. 她使房间保持干净
Up to 60% of our human body is water.我们人体多达60%是水
up to…达到;多达
The box can hold up to 10 books 这个箱子能装多达 10 本书
Women need more water than men.女性比男性需要更多的水
We can also get water from what we eat.我们也可以从我们吃的东西中获取水分
what we eat宾语从句要用陈述语序
A 16-year-old boy from the Netherlands goes to Greece.一个来自荷兰的16岁男孩去了希腊
They hope more people can join them to help make the sea clean again.他们希望更多的人能加入他们,帮助让海洋再次变得干净
join+人或组织 Will you join us 你要加入我们吗
join the army入伍join in+小型活动=take part in+活动
make sth/sb + adj. 使某物(某人)在某种状态
make sth/sb + do sth. 使某物(某人)做某事
Playing sports makes me strong.做运动使我强壮
He often makes his sister cry/laugh.他经常把他妹妹弄哭/笑
Don't keep the water running while brushing your teeth.刷牙的时候不要让水一直流着
keep doing sth. 坚持做某事;keep sb. doing sth. 让某人一直做某事
I'm sorry for keeping you waiting so long.对不起,让你久等了
Turn off the tap each time after using water.每次用完水后关掉水龙头
Wash as many clothes as possible at a time.一次尽可能多洗些衣服
as…as possible 尽可能……
Run as fast as possible 尽可能快地跑
Don't eat too much at a time 别一次吃太多
Remember every drop count.记住,每一滴水都很重要
count重要;有价值
Every minute counts in the exam 考试中每分钟都很重要
Your help counts a lot 你的帮助很有价值
III重点语法:
否定祈使句
Don't开头:Don't waste water.不要浪费水
Never开头:Never leave the water running.绝不要让水一直流
Never比Don't语气更强,同样加动词原形eave
No + 动词 - ing 形式:No swimming in that lake.禁止在那个湖里游泳
这种形式常用于公共场合的警示标语
Let's not + 动词原形:Let's not waste water here!咱们别在这儿浪费水!
用来表达“咱们不要做某事”的建议
英语数字表达：
英语数字表达：
- 单位：hundred（百）、thousand（千）、million（百万）、billion（十亿）
- 读法：
三位数：321读three hundred and twenty-one
四位数：4,186读four thousand, one hundred and eighty-six
五位数：45,390读forty-five thousand, three hundred and ninety
六位数：567,890读five hundred and sixty-seven thousand, eight hundred and ninety
七位数：6,363,000读six million, three hundred and sixty-three thousand
八位数：78,901,234读seventy-eight million, nine hundred and one thousand, two hundred and thirty-four
九位数：890,123,456读eight hundred and ninety million, one hundred and twenty-three thousand, four hundred and fifty-six
十位数：1,386,000,000读one billion, three hundred and eighty-six million
十二位数：909,090,009,900读nine hundred and nine billion, ninety million, nine thousand, nine hundred