Unit 3 讲义 2025-2026学年沪教牛津版（2012）英语九年级下册

学生			时段		日期
课题		九年级下册U3

U3单词默写

U3	担心	大自然
U3	大气层	表层
U3	温度	土壤
U3	猜测	水灾
U3	消费者	习惯
U3	环境保护的	正确的
U3	无生命的	无害的
U3	燃料	回收利用
U3	煤	目的
U3	结果	解决方法
U3	增加	政府
U3	海平面	行为榜样
U3	毁灭

 

一、根据句意和括号内的提示语，完成下列句子，并注意正确的形式。

1.The scientists guess that Venus（金星）is _________（无生命的）。

2.This mountain is about four kilometers above the ___________（海平面）.

3.Everybody knows the __________（环境）is very important to us.

4.In some big cities, the pollution of the __________（大气层）is serious.

5.__________（温度）usually decreases with height.

6.He showed _________（担心）that the ship might be in danger.

7.It’s a ___________（合适的）Christmas dinner, with turkey and bread sauce.

8.Frogs eat pests which __________（破坏）crops and carry disease.

9.The most amazing thing about __________（大自然）is its variety (多样性)

10.This ___________（回收利用）of waste materials is a way of reducing pollution.

 

二、用所给词的适当形式填空。

1.It’s clear that __________（nature）disaster is one of the reasons to the economic crisis.

2.In order to protect the water resources, we need _________(take) proper action.

3.The government has decided _________ (increase) salaries for all civil servants.

4.Cutting down trees also ___________(destroy) the homes of animals.

5.I don’t doubt that the police acted __________(proper)

6.The food industry is playing more attention to young ___________(consume).

7.It causes the surface of the soil to be __________(easy) destroyed by rain.

8.We can help protect the environment if we change our bad __________ (habit).

 

 

 

【重点单词短语】

 

1.concern n. 担心，忧虑

 Eg: Our main concern is for the children’s safety.

There is no cause for concern.    

【同根词】concern v.使担忧    concerned adj.担心的，担忧的

2.lifeless adj.无生命的，无生物生长的

Eg: I got sick and tired of learning boring grammar rules and lifeless word.

【近义词】dead adj.死亡的

翻译：There was no breathing or pulse and he was lifeless/ dead.

                                                                 

3.result n.结果

Eg: The result of the match was 2-1 to Chicago. 

He did his best to achieve better result in his work.                           

【搭配】as a result of …… 由于…….结果       as a result 结果，因此 result in导致

翻译:由于下雪他迟到了。                                                

He defeated all competitors and won the scholarship as a result.

                                                             

4.increase v.使增长，增多，增加

Eg: Smoking increases your chances of getting cancer.

【拓展】increase to 与increase by 的区别

        increase to表示增加到多少

        increase by表示增长了

这个地区的人口增长到了一百万。

                                                             

大米的价格增长了20%。

                                                              

5.destroy v.摧毁，毁灭

Eg: There was a fire in the art gallery and several famous paintings were destroyed.

                                          洪水完全毁掉了这座城市。

6.nature n.自然界，大自然

Eg: We like camping, it makes us feel closer to nature.

Our purpose is not only to conquer nature but also to remake nature.

【同根词】natural adj.自然的，天然的

Don’t worry. It’s a natural phenomenon. 

我们必须保护自然环境。                                                              

7.proper adj.正确的；恰当的

Eg: I didn’t think it was proper to ask for the lady’s telephone number so soon.

Her proper name was Helen.

【同根词】properly adj.正确地，合适地

She can read German but has trouble speaking it properly.

8.friendly adj.友好的，无害的

Eg: Your cat isn’t very friendly.

We must maintain friendly relations with them.

9.recycle v.回收利用

Eg: For many of the products we use, we are able to recycle.

If we learn to recycle materials, our natural resources will last longer.

 

U3短语记忆

温室效应	许多，大量
在危险中	采取行动
由于	有作用，有影响
造成，导致	充当

 

用所给短语的适当形式填空。

be different from   let… in   throw away   in order to   mountains of   the same as  as a result of   result in   in danger

1. ________________ climb the mountain, he bought a pair of trainers. 【出处：】

2. Life in the future will ______________ life today. 

3. Driving a car is not ____________ driving a boat. 

4. I opened the window and ______________ the fresh air ______________ every morning. 

5. Don’t ________________ your old books, you can give them to your neighbors who need them6. As a worker in a restaurant, she has to wash ________________ dishes every day. 

7. Many wild animals will be ____________if we don’t protect them well. 

8. Cutting down so many trees can ________ floods

9. Her hair started falling out ____________ radiation treatment(放疗).【版权所有：21教育】

 

U3课文语法填空。

Our world is in danger. We are facing many problems.

The atmosphere around the Earth is necessary for all (1) ________ (live) things. It is like the glass of a greenhouse, letting sunlight in and keeping heat (2) ________ getting out. Without it, the Earth would be the same as the Moon---cold and (3) ________ (life). However, we produce too much carbon dioxide and this causes the atmosphere to keep in too much heat. The greenhouse effect causes sea level to rise, and in the future may cause cities (4) ________ (appear).

Every year, we destroy nature by (5) ________ (cut) down huge areas of forests. This makes the greenhouse effect even (6) ________ (bad) and results in floods.

What’s more, many of our habits cause (7) ________ (pollute). For example, we use things once and then throw (8) ________ away, or leave them on the ground as litter. This creates mountains of rubbish and pollutes out land and seas.

In order (9) ________ (protect) the environment, we need to take proper action. We should be green consumers. If we just learn to live in new and different ways, we can make (10) ________ difference.

 

U3more practice 完成句子。

1.那位女士把我带回家，然后把我放入冰箱。

  The woman ________ me _________ and ________ me __________ the fridge.