九年級英語上冊Unit4Amaz

九年級英語上冊

Unit 4 Amazing Science Topic 2 Section C

一、教學目標：

1、通過圖片預測關于大量的知識，激發學生的閱讀興趣。

2、學習運用重點詞匯：name…after…, tell, at a distance of…,

two-fifths as strong as, Search for…, have a good climate for

plants, a uful place to dry fruit.

3、學習重點句型：It has been two days since we landed on

Mars.

二、課前預習：

（一）音、性、義填空

Roman/ /__________，__________

god/ /__________，__________

diameter/ /__________，__________

storm/ /__________，__________

gravity/ /__________，__________

weigh/ /__________，__________

generally/ /__________，__________

journey/ /__________，__________

Cimit/ /__________，__________

excitement/ /__________，__________

（二）英漢互譯

name…after…at a distance of

在夜空中be covered of

be covered with 相當于…的五分之二強度

彼此最靠近arch for…

在適合植物生長的氣候 a uful place to dry fruit

a good place for human beings to live be worth sth

三、合作探究：

（一）看P93圖片并預測下列對大量的描述哪些是對的（T），哪

些是錯的（F）。

( )1、Mars looks like a red ball.

( )2、The temperature on Mars is very high.

( )3、Mars is much larger than the earth.

( )4、Mars is goo far away for us to reach.

（二）Mars is the fourth planet from the sun in our solar

system and is named after mars.

1、the fourth planet from the sun in our solar system意為

__________

2、name…after…以“…的名字給…取名”，其被動形式為

__________

eg：The baby __________ __________ __________ Bruce Lee(這個

嬰兒的名字是以李小龍的名字取的).

（三）at a distance of相隔at a distance在遠處

eg：The moon goes around the earth ____________________

380, 000 km.

eg：The police followed him ____________________.

（四）two-fifths as strong as相當于……的五分之二強度。

half as big as __________________ twice as long

as__________________

（五）So a person who weighs 90 kilos on earth weighs only

36 kilos on Mars.

weigh 90 kilos=____________________

1.65 meters tall=1.65 meters in height

（六）Scientists are still arching for more information

about Mars.

Search for____________________

arch…for…____________________

arch into____________________

eg：他們在搜尋全城找那個失蹤的孩子。（譯）

______________________________________________________________

（七）but the excitement of being on Mars is worth it!

be worth sth__________________ be worth

doing____________________

be worth it____________________

eg：這本字典至少值100元。（漢譯英）

The dictionary ______________________________.

eg：那本小說很值得一看。（漢譯英）

__________________________________________________

eg：Don’t lock the door, it isn’t ____________________(犯不

上).

四、當堂評價：

1、再讀一遍1a，完成1b中的任務。

2、分小組談論如下問題，并陳述理由。

①Does mars have a good climate for plants?

②Is Mars a uful place to dry fruit?

③Is Mars a good place for human beings to live?

④Is Mars a comfortable place for heavy people?

五、拓展提升：

（一）完成P94 Part 2的任務。

（二）根據漢語意思完成句子。

1、老師告訴我們火星的直徑是地球直徑的53%。

Our teacher told us the diameter of Mars is 53% __________

__________ __________ that of the earth.

2、我已經有兩年沒有見到Tom了，我十分想念他。

It __________ __________ two years __________ I met Tom last time.

I miss him very much.

3、這部電影非常有趣，很值得一看。

The movie is very interesting and it __________ __________

__________.

4、燒煤對空氣污染十分嚴重，北京已經限制煤的使用。

Burning coal pollutes air a lot. Beijing has limited __________

__________ __________ __________.

六、課后檢測：

完成《同步練習冊》相關習題。