牛津深圳版七年级英语下册 Module 3 Unit 5 Water Grammar and more practice. 课件（共29张PPT）

Unit
5
Oxford English
Module 3 Natural elements
Water
Period 3
Grammar
More practice B
Presentation
Can you tell us why
water is valuable?
1
Brainstorming
2
WAYS TO SAVE WATER
Can you think of ways to save water?
3
More tips on saving water
1. Saving water at home
bathroom
kitchen
laundry room
In the bathroom
* Install low-flow shower heads.
* Take shorter showers. (Showers kept under 5 minutes can save you about 15 gallons per shower.)
* If you take a bath, fill the bathtub less than halfway. (You can save 10-15 gallons per bath.)
* Turn the tap off when you are brushing your teeth and washing your hands.
Install a highly efficient flush toilet.
…
BACK
In the kitchen
BACK
* Wash vegetables in a container, not under running water.
Use the dishwasher for full loads only.
…
In the laundry room
Use the washing machine for full loads only.
…
4
Grammar
Talking about quantities
Do you know the differences between
a lot of, a little, a few, (not) much, (not) many, and no?
Read the following sentences to understand “a lot of”, “a little”, “(not) much” and “how much”.
How much water is there on Earth?
There is a lot of water on Earth.
How much water is drinkable?
Only a little water is drinkable. (There is not much fresh water.)
Answer the following questions about quantities.
How many books are there in your school?
There are a lot of books.
How many exercise books are there in your
schoolbag?
There are a few (not many) exercise books.
Work out the rule
Things to remember
A Look at the pictures below and on page 64.
Then complete the questions and answers.
no water in the pool
Grammar exercise
a lot of water in the pool
How much
there are many people in the pool
How many
No, there aren’t many people in the pool.
How many people are there in the pool?
Learn about
too much, too many, too little, too few and (not) enough.
We can use too much, too many, too little, too few and (not) enough to talk about quantities.
Work out the rule
We can use too much, too many, too little, too few and (not)enough to talk about quantities.
Quantities
Examples
more than enough
too much water
too many cars
not enough
too little milk
too few eggs
just right
enough salt
enough onions
22
Work out the rule
countable nouns
uncountable nouns
both of them
多少
许多
少量的
几乎没有
太多
太少
（不）足够
一些
没有
how many
how much
a lot of
many
much
a few
a little
few
little
too many
too much
too few
too little
(not) enough
some/any
no
23
B Dora and Jane want to cook orange beef. They are checking whether they have enough ingredients. Complete their conversations.
Grammar exercise
enough
How many
How much
too much
too little
enough
few / a few / little / a little
用法
表示肯定
表示否定
用于可数名词
a few虽少，但有几个
few不多，几乎没有
用于不可数名词
a little，虽少，但有一点
little不多，没有什么
26
a little / little +不可数名词
a few / few +可数名词
I need to buy a few books tomorrow.
我明天需要去买些书。
Tom can speak only a little Chinese.
汤姆只会说一点汉语。
27
There is little water in the bottle.
瓶子里没有多少水了。
Jane has little money with her.
珍身上带的钱很少。
John has few friends, so he feels lonely.
约翰的朋友很少，所以感觉有点孤寂。
28
H
Homework
朗读More practice 板块的阅读篇章。
以“What can we do to save water?”为题，提出节约用水的建议（至少6条建议）。尽量使用限定词a lot of，a little，a few，(not) much，(not) many，no，too much，too many，too little，too few，(not) enough等。
完成《综合练习册》第77至79页Grammar的练习。