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U3-U4复习
Unit3主要知识点梳理
一、重点表达
英语 中文 英语 中文
different parts of the world 世界各地 special features 特殊的特点
wake up 醒来 come back 回来
work one’s land 耕地 be full of 充满
cool and dry 又凉爽又干燥 fall from... 从.....落下
go on a family outing 全家出游 at this time of year 每年的这个时候
thunder and lightning 打雷和闪电 sleep through... 酣睡度过（一段时间）
go hiking 去远足 in the north of China 中国北部
heavy snow 大雪 during the day 在白天
in the middle and east of China 在中国中部和东部 go skiing 去滑雪
in the south of China 在中国南部 go on long walk 散步
keep me cool 让我保持凉爽 on sunny days 在晴朗的日子里
for sure 无疑、肯定 the 24 solar terms 24节气
be divided into 被划分成..... be based on 基于......
daily life 日常生活 in different ways 用不同的方式
in the past 在过去 in our times 在我们的时代
spring rolls 春卷 spring pancakes 春饼
start with 以......开始 from different directions 来自不同的方向
traditional festival 传统节日 have picnics 野餐
二、重点课文语法
1.start to do sth.=begin to do sth. 开始做某事
2.be busy with sth./be busy doing sth. 忙于某事 / 忙于做某事
3.love to do sth.=love doing sth. 喜欢做某事
4.be different from 与...不同
5.had better do sth. 最好做某事
6.have time to do sth. 有时间做某事
7.play an important part in 在...中扮演重要角色
三、句型背诵
1.It is a time of new life and new hope. 这是一个新生活和新希望的时期。
2.It is exciting to take a trip in the countryside in springtime.
在春天去乡村旅行是令人兴奋的。
3.Squirrels gather food for the cold winter. 松鼠为寒冷的冬天收集食物。
4.It is great to go on a family outing at this time of year.
在每年的这个时候去家庭郊游是很棒的。
5.Bears and snakes fine warm places to sleep through the winter.
熊和蛇寻找温暖的地方冬眠。
6.When it is summer in China, it is winter in some other parts of the world.
当中国是夏天时，世界上其他一些地方是冬天。
7.Which season do you think is the best time to visit Auckland
你认为哪个季节是访问奥克兰的最佳时间？
8.You had better bring an umbrella when you go out. 你出门时最好带上雨伞。
9.The best thing about summer is the summer holiday! 夏天最好的事情就是暑假！
10.Each of the season is divided into six parts,and each part lasts about 15days.
每个季节被分成六部分，每部分大约持续15天。
11.They help farms decide when to plant their crops.
它们帮助农民决定何时种植庄稼。
四、单元语法汇总——形容词
1.形容词：主要用来修饰名词或代词，用来描述人或事物的性质、状态和特征等。翻译成中文时，常为“......的”。
2.形容词修饰名词，通常放在名词之前。
【当用形容词修饰something/anything/someone/anyone/everything/everyone等不定代词时，形容词放在这些词的后面。】
friendly people 友好的人们 beautiful cities 美丽的城市
something important 重要的事情
3.形容词可以直接加在系动词be后面。
The flowers are beautiful. 花很美。
It is hot in summer and cold in winter in China. 中国的夏天炎热，冬天寒冷
4.形容词常考句型：It is+形容词+（for sb.）+to do sth.
It is difficult for students to learn a new language.
对学生来说，学习一门新语言是困难的。
It is exciting for us to travel to a new country.
对我们来说，去一个新的国家旅行是令人兴奋的。
五、常见的描写天气的形容词
rainy下雨的； snowy下雪的； sunny晴朗的； windy多风的
cloudy多云的； hot 炎热的； cold 寒冷的； cool 凉爽的
warm 暖和的； dry 干燥的； clear 晴朗的； foggy有雾的
Unit4主要知识点梳理
一、重点表达
air pollution 空气污染 living things生物 fact file事实档案
as far as we know 据我们所知 freezing cold严寒 on Earth在地球上
sea level 海平面 more than超过 in height 有...多高
a grain of rice一粒米 millions of很多 learn about了解
take care of 照顾 be in danger处于危险中 plastic pollution塑料污染
take part in 参加 farm chemical 农用化学品 harmful gas有害气体
cut down 砍伐 each year 每一年 turn...into...把.....变成......
in the north of...在....的北部 in the 1800s在19世纪 a group of...一群...
Plant trees植树 man-made forest人造林
二、重点课文语法
1.be home to... 是......的家园
2.be covered by... 被......覆盖
3.make sb./sth.+形容词/动词原形
4.provide sb. with sth. 提供某人某物
5.let’s+动词原形 让我们做某事
6.be important to sb. ......对某人来说是重要的
7.try one’s best to do sth.尽某人最大的努力做某事
8.less and less+不可数名词 越来越少......
9.fewer and fewer+可数名词复数 越来越少......
10.because of + 名词/名词短语 因为......
11.stop doing sth. 停止正在做的事情
三、句型背诵
1.There are fields and mountains, rivers and seas, forests and deserts.
地球上有田野和山脉、河流和海洋、森林和沙漠。
2.The plants on Earth are wonderful in many different ways.
地球上的植物以许多不同的方式出彩。
3.The smallest plant is as small as a grain of rice.
最小的植物小如一粒米
4.Some, like tigers and lions, live on land. Other animals, like birds, enjoy the wide open sky.
有些动物，如老虎和狮子，生活在陆地上。其他动物，如鸟类，享受广阔的天空。
5.From bears to birds, from butterflies to seahorses, animals make our planet lovely and interesting.从熊到鸟，从蝴蝶到海马，动物使我们的星球可爱而有趣。
6.The Earth provides us with all the things we need, such as food, water, air and energy. 地球为我们提供了所有我们需要的东西，比如食物、水、空气和能源。
7.The Earth is an amazing planet with beautiful forests.
地球是一个拥有美丽森林的神奇星球。
8.The cold and dry weather made their work very difficult, and strong winds blew away many young trees.
寒冷干燥的天气使他们的工作非常困难，而且强风吹走了很多小树苗。
四、单元语法汇总——there be句型
1.基本概念："there be" 句型用来表示某地存在某物或某人，不表示所属关系而是强调存在。
2.句子结构：
肯定句：There is/are + 名词 + 地点状语。
There is a bookstore near the school. 学校附近有一家书店。
There are many flowers in the garden. 花园里有很多花。
否定句：There isn't/aren't + 名词 + 地点状语。
There isn't any milk left in the fridge. 冰箱里没有牛奶了。
There aren't many cars on the road today. 今天路上的车不多。
疑问句：Is/Are there + 名词 + 地点状语？
Is there a hospital in this area 这个区域有医院吗？
Are there any restaurants open nearby 附近有开着的餐馆吗？
3.be的单复数
当 "be" 动词后的第一个名词是单数或不可数名词时，使用 "is"。
There is a bookstore near the school. 学校附近有一家书店。
当 "be" 动词后的第一个名词是复数时，使用 "are"。
There are many flowers in the garden. 花园里有很多花。
【就近原则：当 "be" 动词后面有多个名词时，"be" 动词的单复数取决于离它最近的名词。】
There is a pen and two books on the desk. 桌子上有一支笔和两本书。
There are two books and a pen on the desk. 桌子上有两本书和一支笔。
4.there be与have的区别：
"there be" 句型强调某地存在某物，而 "have" 强调某人拥有某物。
There is a beautiful park in the city center.
市中心有一个美丽的公园。（强调公园存在于市中心）
I have a book on my desk.
我的桌子上有一本书。（强调我拥有这本书）
U3-U4基础过关检测
一、单项选择题
1.I usually _______ my homework at 7 in the evening.
A. start to do B. starts to do C. start with D. starts with
2.My mother is _______ housework every day.
A. busy with B. busy for C. busy on D. busy to
3.He _______ playing basketball.
A. love to B. loves to C. love D. loves
4.The new teacher is _______ the old one.
A. different from B. same as C. similar to D. different for
5.You have better_______ a uniform in school.
A. wearing B. wears C. wear D. wore
6.I have a lot of homework, so I don't have time_______ a book.
A. read B. to read C. reading D. reads
7.Water _______ an important part in our daily life.
A. playing B. play C. plays D. played
8.The forest _______ many animals.
A. is home to B. is homes to C. is home for D. is homes for
9.The mountain _______ snow in winter.
A. is covered by B. is covered with C. covers by D. covers with
10.The school provides us _______ a good education.
A. for B. to C. of D. with
11._______ go to the park this weekend.
A. Let our B. Let us C. Let’s to D. Let we
12.Reading is important to me because it helps me _______ knowledge.
A. gain B. gains C. gaining D. to gain
13.She _______ to pass the exam.
A. try her best B. tries her best C. tried her best D. tries her hardest
14.The number of trees in the forest is _______ every year.
A. less and less B. fewer and fewer C. many and many D. much and much
15._______ cars on the road make the air dirty.
A. fewer and fewer B. less and less C. more and more D. much and much
16.We arrived late _______ the traffic jam.
A. because B. because of C. so D. as
17.He stopped _______ music and started to read a book.
A. to listen B. listening to C. listen to D. to listen to
18.The teacher is _______ the students with new knowledge.
A. providing B. giving C. offering D. supplying
19.Eating vegetables can make you _______.
A. health B. unhealth C. healthy D. unhealthy
20.Swimming is important to him because it helps him _______ fit.
A. stay B. stays C. staying D. to stay
21._______ the TV when you finish watching.
A. Stop watching B. Stopping watching C. Stop to watch D. Stopping to watch
22.We were late for the concert _______ the heavy rain.
A. because B. because of C. so D. as
二、完成句子
1.毫无疑问，他今晚会来参加派对。
, he will come to the party tonight.
2.这个国家被划分成几个区域。
The country several regions.
3.在日常生活中，我们应该节约用水和电。
, we should save water and electricity.
4.农民从早到晚耕作他们的土地。
Farmers from dawn to dusk.
5.我们经常在周末进行家庭出游。
We often during the weekends.
6.黄土高原位于中国的中部和东部。
The Loess Plateau is located of China.
7端午节是中国的传统节日。
The Dragon Boat Festival is a in China.
8.周末公园里满是孩子。
The park children on weekends.
9.每年的这个时候，天气非常热。
, the weather is very hot.
10.我可以一觉睡到天亮，没有任何问题。
I can the night without any problem.
11.我们在春节吃春卷。
We eat during the Spring Festival.
12.人们以不同的方式庆祝节日。
People celebrate festivals .
13.据我们所知，其他星球上没有生命。
, there is no life on other planets.
14.外面非常冷；你应该穿件外套。
It's outside; you should wear a coat.
15.一年中有24个节气。
There are in a year.
16.砍伐太多树木会导致水土流失。
too many trees can lead to soil erosion.
17.我们可以通过回收把废物变成能源。
We can waste energy by recycling.
18.在中国的北部，冬天非常冷。
China, winters are very cold.
19.这座塔高300米。
The tower is 300 meters .
20.一粒米非常小，但是很多粒米可以养活许多人。
rice is very small, but them can feed many people.
21.我们应该了解环境以保护它。
We should the environment to protect it.
22.照顾植物可以帮助它们更好地生长。
plants can help them grow better.
23.许多物种因为栖息地丧失而处于危险中。
Many species are in danger habitat loss.
24.我们应该参加保护环境的活动。
We should activities that protect the environment.
25.使用农用化学品会产生有害气体。
The use of can produce harmful gases.
完成句子答案：
1.For sure ；2.is divided into ；3.In daily life； 4.work their land
5.go on a family outing ；6.in the middle and east ；7.traditional festival
8.is full of； 9.At this time of year ；10.sleep through ；11.spring rolls
12.in different ways ；13.As far as we know ；14.freezing cold；15.the 24 solar terms
16.Cutting down ；17.turn...into... ；18.In the north of ；19.in height
20.A grain of ; millions of ；21.learn about；22.Taking care of
23.because of ；24.take part in； 25.farm chemicals

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