《Keep our city clean》PPT(第二课时)

《Keep our city clean》PPT(第二课时)

第一部分内容：Introduce

What makes the air dirty? ……makes……  

What can we do to keep our city clean?  We can ……

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Keep our city cleanPPT，第二部分内容：Expressions

What makes the air dirty？

什么使空气变脏?

“What makes”意思是“什么使···变得” 。

当特殊疑问词做主语成分时，后面的动词要加“s”或“es”。

eg：Who makes us laugh happily?

谁使我们笑得如此开心？

小练习 : There are some _____(sign) of our school.

What ______(make) our house clean?

What can you do _______(help) your friends?

Li Yang can_____(speak) English very quickly.

What can we do to keep our school clean?

我们可以做什么让我们的学校更干净？

情态动词 can意思是“可以,能够” ,表示一种能力。

它的用法是后面接动词原形。

否定形式是 cannot,可以缩写为can’t,意思为“不能,不可以”。

eg: We can take taxi to the cinema.

我们可以乘出租车去电影院。

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Keep our city cleanPPT，第三部分内容：Expand

二十四节气     The 24 Solar Terms

立春：spring begins

雨水：the rains

惊蛰：insects awaken

春分：vernal Equinox

清明：clear and bright

谷雨：grain rain

立夏：summer begins

小满：grain buds

芒种：grain in ear

夏至：summer solstice

小暑：slight heat

大暑：great hear

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Keep our city cleanPPT，第四部分内容：Exercise

(    )1.Rubbish makes the park_______.

A. beautiful    B. dirty    C. clean

(    )2.We_______put the rubbish on the floor.

A. can     B. should    C. can’t

(    )3.We can plant more trees_______the air clean.

A. to keep     B. keeps     C. keep

(    )4.Let’s move the box_______from the desk.

A. to     B. away     C. around

5.Can we keep our city clean?（改为陈述句）

We can keep our city clean.

6.It means “No swimming”.（改为同义句）

It means you shouldn’t swim here.

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Keep our city cleanPPT，第五部分内容：Homework

Make up a conversation.

Using:

What makes the air dirty?  ···makes···  

What can we do to keep our city clean?  We can ···

《Keep our city clean》PPT(第一课时) 第一部分内容：Introduce Answer questions： What makes our city dirty? ______makes our city dirty. What can we do to keep our city cle..

《Keep our city clean》基础知识PPT 第一部分内容：重点单词 1.keep 保持 2.clean 干净的 3.make 使变得 4.dirty 肮脏的 5.museum 博物馆 6.ground 地面,地上 7.air 空气 8.smoke 烟..