2024年3月16日发(作者：)

8B Unit8 A green world学案

第1课时 Comic strip & Welcome to the unit

预习目标

1．根据单词表，预习课本第106～107页的单词，能根据音标正确拼读这些单词。

2．听课本第106页Comic strip部分的录音，能正确地模仿录音中的语音、语调。

3．找出课本第106～107页新出现的短语和重点句型，查一查它们的意思。

预学热身

◆通过预习，了解本课时的单词、短语和句型（英汉互译）。

vi.&vt. _______ s adj. _______

ruit n._______ vt.&vi. _______

5．_______vt.回收利用，循环利用 6．_______ n．污染

7._______adj.明智的，充满智慧的 8. _______植树

9．_______更多的树 10. _______今年

11．_______关上 12. _______导致；造成

13. be good for_______ 14. air pollution_______

15. save water_______ 16. take showers_______

17. take the underground______________ 18. more and more families_______

19. Will more trees be planted this year? ___________________________________

20. Trees are good for us. _________________________________________________

21. We can save water by taking shorter showers. ____________________________

22. More and more families own cars and this Causes serious air pollution.

_____________________________________________________________________________

◆自主探究，请带着下面这些问题阅读教材。

1．will…be planted是什么结构？

2．more and more families是什么意思？

教材导读

1．Will more trees be planted this year?今年将要植更多树吗？

探究点一：will…be planted是什么结构？

[指点迷津] will…be planted为一般将来时的被动语态。一般将来时的被动语态由“begoing

to/will＋be＋过去分词”构成。

The work will be finished in an hour.这项工作将在一小时之后完成。

The bike is going to be repaired soon.自行车即将修好。

①书将在下周买。 The books _______ _______ _______ next week.

探究点二：在this year的前面可以加介词in/on吗？

[指点迷津] 在this，that，last及next等构成的表示时间的短语前一般不加介词in/on。

I am going to play football this afternoon.我打算在今天下午踢足球。

You drank too much that evening.那晚你喝得太多了。

They will travel to the USA next week.下周他们将去美国旅行。

Where did you live last year? 去年你住在哪里？

[注意] that day前可以加on。

I didn't see him (on) that day.那天我没有看到他。

( )②We will give a talk_______ next week.

A. in B．for C．on D．/

( )③What did you do_______ that morning?

A. on B．in C．/ D．at

2．Trees are good for us．树对我们有益。

探究点：be good for和be good at有何区别？

[指点迷津] be good for意为“对……有益”；be good at意为“擅长”。

Taking exercise is good for health.运动对健康有益。

Are you good at English? 你擅长英语吗？

( )Tom is good_______ playing football. It is good_______ his health.

A. at; for B. for; for C. at; at D. for; at

3. More and more families own cars and this causes serious air pollution,

越来越多的家庭拥有轿车，这引起了严重的空气污染。

探究点：more and more families是什么意思？

[指点迷津] more and more families意为“越来越多的家庭”，more and more意为“越来越

多”，既可修饰可数名词又可修饰不可数名词。

More and more water is coming out.越来越多的水流了出来。

[注意]表示“越来越少”时用fewer and fewer修饰可数名词，用less and less修饰不可数名

词。

Fewer and fewer people like this book.越来越少的人喜欢这本书。

There is less and less air pollution here.这儿的空气污染越来越少。

[知识拓展]表示在程度上“越来越……”，用“比较级＋ and＋比较级”的句型。

He is taller and taller.他（个子）越来越高。

Our classroom is more and more beautiful.我们的教室越来越漂亮。

①我们学校有越来越多的学生喜欢学英语。

_______ and_______ students like studying English in our school.

②夜间这条路上的车子越来越少。

At night, there are_______ and_______ cars on this road.

热身练习

A．根据中文提示写出单词。

1. The doctor said there was nothing_______（严重的）.

2．What do you think can be_______（回收）?

3．It's_______（明智的）to ask your teacher for help.

4. I think you need to_______（挖）a hole to put the things in.

5．What_______（引起）his illness?

B．用所给单词的适当形式填空。

1. More money_______ (need) for the work next year.

2. We can protect our environment by_______ (collect) rubbish.

3. What should we do_______ (live) a green life?

4. Please remember_______ (turn) off the lights when you leave the room.

5. It's wise of you_______ (ride) a bike to school.