U 7 Protect the Earth 一、重点词汇短语复习
1.protect the earth
2.save water
eful water
4.drink water and use water
e water to clean things
6.in many place
7.waste water
8.save energy
9.reuse and save it
10.save energy
11.most of
e from
13.there is not much coal or oil on earth
14. a lot of
15.cut down
16.make tables; make bags and bottles;
17.too many
18.other things
19.Don’t use too much plastic
20.is bad for
21.plastic bags or bottles
22.paper bags and glass bottle
23.really cool
24.Earth Day
25.World Environment Day
26.do a project
27.tell sb. about sth.
28.tell sb. to do sth.
29.start drawing
30.a rubbish bin
31.on the trees在树上（长在上面的）
32.in the tree在树上（不是长在上面的）
33.be ready for
34.at the school gate
35.to protect the Earth
36.how to protect the Earth
二、单元语法
1.We use water to clean things.
We use wood to make tables,chairs and other things.
“use...to”表示用...做...。
“to”是动词不定式的符号，不是介词；to后面直接加动词的原形。
上面的两个句子中，动词不定式表示目的。
2.We should use paper bags and glass bottles
We should save trees.
“should”在句子中的意思是“应该”表示应该做某事，应该怎么样。
“should”是情态动词，其后直接接动词的原形。
3.We should not drive so much.
We should not use too many plastic bags or bottles.
We should not waste water.
“should not”是”should”的否定形式，和其它的情态动词一样，它的否定形式时直接在”should”后面加”no t”即可。
Should not的缩写形式为shouldn’t.
意思是表示不应该做什么时，不主张的意思。
4.情态动词的用法：can /could /should/must /may后面用动词原形，否定式就在情态动词后面加not。
We should save water and energy.我们应该节约水源和能源。
We should not waste water and energy.我们不应该浪费水源和能源。
5.Most of our energy comes from coal and oil.大多数的能源来自煤和石油most of 大多数后面接可数名词或不可数名称。
most of +名词作主语时，be动词或谓语动词的形式由介词of 后面的名词来决定
例如;Most of the trees are cut down. 大部分树木都被砍伐了。
6.We should not driver so much because cars use a lot of energy.
我们不应该经常开车，因为汽车耗用大量的能源。
①so much（如此多）+ 不可数名词
There is so much rubbish in the world now. 现在世界上有如此多的垃圾。
②so many +可数名词复数
There are so many birds in the tree. 在树上有如此多的鸟。
7.be bad for 对…有坏处
Too much plastic is bad for the Earth.太多的垃圾对地球有害。
e sth. to do sth. 用…做…
We use water to clean things every day. 我们每天使用水清洗东西。
We use plastic to make bags and bottles. 我们使用塑料制造袋子和瓶子。
We use wood to make tables, chairs and other things.我们使用木材制造桌子，椅子和其他东西。
9.Why do we protect the Earth? 我们为什么要保护地球？
10.How do we protect the Earth? 我们怎么保护地球？
U8 Chinese New Year
一、重点词汇短语
1.Chinese New Year
2.an email
3.e-friend
4.I’m very excited
5.Chinese New Year’s Eve
6.have dinner
7.Chinese New Year’s Day
8.get/give me red packets
9.have a lot of fun
9.watch a lion dance
10.fireworks
11.have a big dinner
12.the most important holiday
13.Spring Festival
14.after dinner
15.talk about their plans
二、语法句型
1.What are you going to do on Chinese New Year’s Eve?
2.What is he going to eat at Chinese New Year?
这两个句子均是针对将来时的提问。
意为，你在什么时候打算做什么？
Be going to do的形式，be 动词根据主语的人称和数来确定，she/he用is，I 用am，they就用are。
”do”表示动词原形。
也即在be going to后面动词一定要用原形，没有人称和数的变化。
3.I’m going to buy some flowers.
We’re going to have a big dinner.
They’re going to make some cakes and tangyuan.
He’s going to watch a lion dance.
这些句子都是表示打算做什么了，计划做什么的意思。
一般将来时：
表示将来某一时间将要发生的动作或存在的状态。
常与表示将来的时间状语tomorrow，next year，in two days, in the future, some day等连用。
一般将来时的几种句式：
(1)肯定句：主语+be 动词+going to +动词原形+其他。
We’re going to have a picnic tomorrow.
(2)否定句：主语+be 动词+not+going to +动词原形+其他。
He isn’t going to fly kites next week.
(3)一般疑问句：be 动词+主语+going to +动词原形+其他。
Are you going to play football this afternoon?
(4)特殊疑问句：特殊疑问词+be 动词+主语+going to +动词原形+其他。
Where are you going tonight?
(5)Will+动词原形也可以表示一般将来时，
I will take a trip next month.。
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