九年级英语第十八单元Planting trees 植树

内容

一、教法建议

【 抛砖引玉 】

单元双基学习目标

Ⅰ. 词汇学习

plant , wonderful , dig , deep , stick , tie , diagram , forest , copy , million , towards , mountain , harvest

neither…nor , knock…into… , next to , so that , cut down , millions of , stop…from doing sth , blow…away , not only…but also… , in a few years\' time , far away , thanks to

Ⅱ. 句型学习

Tie the tree to the top of the stick to keep it straight .

The more , the better .

The river near here is over four metres deep .

The Great Green Wall is between 400 and 1 700 kilometres wide .

Trees must be watered well .

The earth should be pushed down hard .

More or less !

While you\'re doing that I\'ll go and get some water .

Ⅲ.语法学习

1 ) 含有情态动词的被动语态的构成及用法。

2 ) 计量的表达。

Ⅳ. 交际英语

如何让别人做某事。

【 指点迷律 】

单元重点词汇点拨

1 . plant 1 ) 种植 ( 动词 ) 2 ) 植物 ( 名词 )

We planted some roses in the garden .

April is the time to plant trees .

They are planting vegetables .

［点拨］plant 还可作“工厂”讲。

2 . wonderful 极好的；精彩的 ( 形容词 )

That\'s a wonderful idea .

What a wonderful invention !

He told me a wonderful story .

［点拨］have a wonderful time 过得极为愉快。

3 . neither ( 两者 ) 都不

［点拨］1 ) ( 两者 ) 都不的 ( 形容词 )

Neither watch works , they are both broken .

［注意］neither 作形容词只能与单数名词或代词连用。

2 ) ( 用于否定句 ) 也不 ( 副词 )

John won\'t go , and neither will I .

He cannot swim , neither can his brother .

You did not see him , neither did I .

3 ) ( 常和 nor 连用 ) 也不 ( 连词 )

It is neither blue nor green .

Neither you nor I am right .

4 ) ( 两者 ) 都不 ( 代词 )

Neither of them is good health , but they work hard .

Neither of the stories was true .

［点拨］neither…nor…连接的两个并列成分作主语时，谓语的单复数符合就近一致原则。如：Neither you nor he is kind .

4 . nor 也不 ( 用在 neither , nor , not , never 等否定词之后 ) ( 连词 )

I have neither brothers nor sisters .

I didn\'t go , nor did they .

He doesn\'t want to go there , nor do I .

5 . dig 挖，掘 ( 动词 )

They have started digging their potatoes .

He was digging a hole .

The truth was dug out .

［点拨］dig 的过去式，过去分词，现在分词分别为 dug , dug , digging。

6 . hole 洞；坑

The boat has a hole in each side .

Please fill the hole in my tooth .

7 . deep 深的，深厚的，深色的 ( 形容词 )

There is a deep well in our village .

This river is not very deep .

Her coat is deep red .

The old man had a deep love for the Party .

［点拨］be deep in a book 埋头读书。talk deep into the night 谈到深夜。deep 常用于具体的深度，包括时间和空间。deeply 用于抽象的、比喻的“深”。

8 . earth 土；泥；地球；大地

Mother planted flowers in the earth .

The earth is bigger than the moon .

9 . tie ( 用绳、线等 ) 系；扎；拴 ( 动词 )

The boy tied the dog to the tree .

They tied him with cords .

I am tied to my work all day .

［点拨］tie sth to… 把……系 ( 拴 ) 在……tie sth , with sth . 用……系 ( 拴 ) … 10 . water 浇水、灌溉 ( 动词 )

They are watering flowers in the garden .

They are watering the streets .

［点拨］water 作抽象名词和物质名词表示一般概念时前面通常不用冠词，只有当它被一个限制性定语修饰时才加冠词。

11 . untrue 不真实的；假的 ( 形容词 )

It is an untrue story .

He is untrue to his friends .

［点拨］untrue 是由形容词 true 加前缀 un - 构成的。

12 . forest 森林

Most part of the country is made up of forest .