(共37张PPT)
Unit 8 Our Blue Planet
单词精讲课件(含音频)仁爱版
仁爱版七年级下册
目录
01
Preparing for the Topic 重点单词
02
Exploring the Topic 重点单词
03
Developing & Wrapping Up 重点单词
04
词汇练习题
Preparing for the Topic 重点单词
01
Preparing for the Topic
planet / pl n t/ n. 行星
- 用法
可数名词,太阳系有八大行星
eight planets in the solar system
太阳系行星(solar system planets),可数名词单复数。
- 例句
The Earth is a planet that supports life.
地球是一颗孕育生命的行星。
Preparing for the Topic
ocean/ n/ n. 大海,海洋(the ocean)
- 搭配:in the ocean(在海洋里)
ocean life(海洋生物)
- 例句 Whales are the largest animals in the ocean.
鲸鱼是海洋中最大的动物。
- 对比:sea(较小海域)vs. ocean(广阔海洋)
Preparing for the Topic
metre/ mi t (r)/ n. 米(美式meter)
- 用法:度量单位,复数为metres
- 搭配:one metre tall(一米高);
five metres long(五米长)
- 例句
The table is about 1.5 metres long.
这张桌子长约1.5米。
Preparing for the Topic
kilometre /k l m t (r)/ **n. 千米;公里(美式kilometer)
- 用法:缩写为km,复数为kilometres
- 搭配:five kilometres away(五公里远)
- 例句
It’s about 10 kilometres from my home to school.
(从我家到学校约10公里。)
Preparing for the Topic
through /θru / prep. 穿过;贯穿
- 用法:强调从内部穿过(如森林、隧道)
-区别于across(表面穿过)
- 搭配:go through the forest(穿过森林);
- look through(浏览)
- 例句:The river flows through the city.
(这条河流经城市。)
易错
through(穿过)vs. though(虽然,连词)
Preparing for the Topic
eastern / i st n/ adj. 东方的;东部的
- 词根:east(n. 东方)+ -ern(形容词后缀)
- 搭配
eastern culture(东方文化);
the eastern part of China(中国东部)
- 例句
I love the eastern traditions and customs.
(我喜欢东方的传统和习俗。)
- 拓展
inland(内陆的)、north-east(东北)
Preparing for the Topic
freshwater/ fre w t (r)/ adj. 淡水的
- 构词:fresh(新鲜的)+ water(水)= 淡水的
- 搭配
freshwater fish(淡水鱼)
freshwater resources(淡水资源)
- 例句
Rivers and lakes are important freshwater sources.
(河流和湖泊是重要的淡水资源。)
Preparing for the Topic
million / m lj n/ num. 一百万
- 用法
- 前有具体数字时用单数:five million(五百万)
- 表示泛指“数百万”用millions of:
millions of stars(数百万颗星星)
- 例句
The city has a population of over two million.
(这座城市有两百多万人口。)
Preparing for the Topic
inland / nl nd/ adj. 内陆的;adv. 向内陆
- 搭配:inland areas(内陆地区);
travel inland(向内陆旅行)
- 例句
Some animals live in inland forests.
(有些动物生活在内陆森林中。)
Exploring the Topic 重点单词
02
Exploring the Topic 重点单词
useful/ ju sfl/ adj. 有用的;有帮助的
- 词根:use(n. 用途)+ -ful(形容词后缀,表“充满…的”)
- 搭配:a useful book(一本有用的书);
be useful for(对…有用)
- 例句
Learning English is useful for communicating with others.
(学英语对与人交流有帮助。)
Exploring the Topic
cycle/ sa kl/ n. 循环
- 拓展:作动词意为“骑自行车”(cycle to school)
- 搭配:the water cycle(水循环);
the life cycle(生命周期)
- 例句
The water cycle is important for our planet.
(水循环对地球至关重要。)
Exploring the Topic
quick /kw k/ adj. 快的;迅速的
- 副词:quickly(迅速地)
- 搭配
a quick answer(快速回答);
be quick to do sth.(迅速做某事)
- 例句
He is a quick learner and picks up new skills easily.
(他学习能力强,容易掌握新技能。)
Exploring the Topic
shower / a (r)/ **n. 淋浴;淋浴间;v. 洗淋浴
- 搭配:take a shower(洗淋浴);
shower room(淋浴房)
- 例句
I take a shower every morning before school.
(我每天早上上学前洗淋浴。)
Exploring the Topic
while /wa l/ conj. 当…的时候;而,然而(表对比)
- 用法
引导时间状语从句(从句用延续性动词):
While I was reading, my mom called me.
(我读书时,妈妈叫我。)
表对比
She likes music, while he likes sports.
(她喜欢音乐,而他喜欢运动。)
- 例句
I often listen to English songs while doing homework.
(我做作业时经常听英文歌。)
Exploring the Topic 重点单词
reuse / ri ju z/ v. 再次使用;重复使用
- 构词:re-(重新)+ use(使用)= 重复使用
- 搭配
reuse water(重复用水);
reuse plastic bags(重复使用塑料袋)
- 例句
We should reuse old materials to protect the environment.
(我们应重复利用旧材料以保护环境。)
Exploring the Topic
enough / n f/ det. 足够的;adv. 足够地
- 用法
- 形容词:enough + 名词(enough time 足够的时间)
- 副词:形容词/副词 + enough(fast enough 足够快)
- 例句
Do you have enough money to buy this book
(你有足够的钱买这本书吗?)
She runs fast enough to catch the bus.
(她跑得够快,能赶上公交车。)
Exploring the Topic 重点单词
collect /k lekt/ v. 收集;采集
- 搭配:collect stamps(集邮)
collect information(收集信息)
- 例句
He likes collecting coins from different countries.
(他喜欢收集不同国家的硬币。)
Exploring the Topic
cover/ k v (r)/ v. 覆盖;遮盖;n. 覆盖物
- 搭配
cover...with...(用…覆盖…)
the cover of a book(书的封面)
- 例句
The snow covered the ground like a white blanket.
(雪像白色毯子一样覆盖着地面。)
Exploring the Topic
litter / l t (r)/ v. 乱扔;n. 垃圾
- 搭配
litter around(乱扔垃圾)
pick up litter(捡垃圾)
- 例句
Don’t litter in the park. We should keep it clean.
(不要在公园乱扔垃圾,我们应保持清洁。)
- 易错
litter(v. 乱扔 /n. 垃圾)vs. letter(字母 / 信件)
Developing & Wrapping Up 重点单词
03
Developing & Wrapping Up
suggestion /s d est n/ n. 建议;提议
- 用法:可数名词(对比advice为不可数名词)
- 搭配
give a suggestion(提出建议);
take one’s suggestion(采纳建议)
- 例句
Can you give me a suggestion on how to learn English well
(你能给我一个学好英语的建议吗?)
Developing & Wrapping Up
search /s t / v./n. 搜索;搜查
- 搭配:search for(寻找)
search the Internet(上网搜索)
- 例句
They are searching for the missing keys in the room.
(他们在房间里找丢失的钥匙。)
Developing & Wrapping Up
information / nf me n/ n. 信息
- 用法:不可数名词,一条信息为“a piece of information”
- 搭配
search for information(搜索信息);
provide information(提供信息)
- 例句
You can find a lot of useful information on the Internet.
(你可以在网上找到许多有用的信息。)
Developing & Wrapping Up 重点单词
introduce / ntr dju s/ v. 介绍
- 用法:introduce sb. to sb.
(把某人介绍给某人)
introduce oneself(自我介绍)
- 例句
Let me introduce my friend Tom to you.
(让我把我的朋友汤姆介绍给你。)
Developing & Wrapping Up
provide /pr va d/ v. 提供
- 搭配:provide sth. for sb.
= provide sb. with sth.(为某人提供某物)。
- 例句
The school provides books for the students.
= The school provides the students with books.
(学校为学生提供书籍。)
Developing & Wrapping Up
protect /pr tekt/ v. 保护;防护
- 搭配:protect...from...(保护… 免受…
- 例句
We should protect the environment from pollution.
(我们应保护环境免受污染。)
We should protect animals from being killed.
(我们应该保护动物不被掠杀。)
Developing & Wrapping Up
rubbish / r b / n. 垃圾;废弃物
- 用法:不可数名词,同义词为garbage(美式)
- 搭配:throw rubbish(扔垃圾)
a pile of rubbish(一堆垃圾)
- 例句
Please put the rubbish into the bin.
(请把垃圾放进垃圾箱。)
Developing & Wrapping Up
develop /d vel p/ v. (使)成长;发展
- 用法:名词,development(发展)
- 搭配:develop a habit(养成习惯)
develop into(发展成)
- 例句
We should develop good study habits from a young age.
(我们应从小养成良好的学习习惯。)
词汇巩固练习题
04
一、词义搭配
E.enough
I.metre
F.protect
G.provide
D.through
C.cycle
B.ocean
A.planet
H.rubbish
垃圾( ) 米( )通过( )提供( ) 行星( )
保护( )足够( )海洋( )循环( )
二、选词填空(用适当形式)
1.We need ______ water to drink.(enough / many)
2.She likes collecting ______ from different countries.(coin / coins)
3.Don’t ______ in the park. Keep it clean!(litter / littering)
4.The school ______ us with new textbooks every term.(provide / provides)
5.The river flows ______ the mountain.(through / across)
enough
coins
litter
provides
through
三、翻译句子
- 海洋里有许多神秘的生物。
01
- 我们应重复利用水资源,保护地球。
02
- 他每天花十分钟浏览网上的信息。
03
There are many mysterious creatures in the ocean.
We should reuse water resources to protect the earth.
He spends ten minutes browsing the information on the Internet every day.
Thank You!