湖北省咸宁市嘉鱼县城北中学九年级英语上册 Unit 2 Saving the Earth Topic

Unit 2 Saving the Earth Topic 3 Section C
一、教学目标：
1、作为阅读文章，旨在培养学生通过阅读材料获取信息的阅读技能，同时通过上下文语境猜测词义培养学生的学习策略。

2、巩固学习并列句式。

3、重点词汇及句子：①biogas technology, renewable energy, up to, hold, in the near future, maglev train, energy-efficient, electric vehicle, heat from deep in the earth, run of.
②People produce power from coal, but it is very birty and causes acid rain.
③To solve the energy problem, peo ple all over the world are looking for new ways to produce power.
④It’s too small to hold many people, but larger models will be developed in the near future.
⑤The train can reach a top speed of 431 km per hour.
二、自主预习：
英汉互译：
produce power from coal 导致酸雨
生物技术renewable energy
be used in people’s everyday lives
主要缺点up to 30 days
electic vehicles in the 1990s
发电在不久的将来
the best-known maglev train German-built
maylev guide paths heat from deep in the earth
用完、耗尽Be used for doing sth
三、合作探究：
1、独立选择，看1a中的图片，给每一段选择一幅正确的图片。

2、In many countries, people produce power from coal, but it is very dirty and causes acid rain.
①produce power from coal意为__________
②此句是but连接的__________句，这样的连接词还有__________、__________、__________。

3、This renewable energy is used in people’s everyday lives.
①be used in sth译作____________________
eg：这顶帽子在过去用于戏剧中。

（汉译英）
②习惯于____________________ 过去常常……___________________
被用于做……________________ 被用来做____________________
4、It’s too small to hold many people, but larger models will be developed in the near future.
①It’s too small to hold many people的同义句为：
____________________或____________________
②句中hold意为__________，此外hold还有__________、__________、__________等义。

eg：hold a baby in one’s arms, hold a meeting, hold on.
5、The train can reach a top speed of 431 km per hour.
①译：________________________________________
②“以每小时120千米的速度”怎么表达？
__________________________________________________
四、当堂评价：
1、Read 1a and finish the task in 1b.
2、以小组合作形式讨论：The advantages and disadvantages of biogas, electric vehicle and maglev train.
3、Read the passage in 2a and match the pictures with the sentences. Then discuss in detail the use of one energy source.
五、拓展提升：
（一）根据汉语意思完成句子：
1、20世纪70年代，美国人发明了照相机和手机。

__________ __________ __________, Americans developed di gital cameras and cellphones.
2、你知道过去人们怎么利用水制造动力吗？
Do you know how people __________ power __________ water in the past?
3、来自太阳的能源用之不竭。

Power from the sun never __________ __________.
4、我们经常用木材来造纸。

We often __________ wood __________ __________ paper.
5、上海的磁悬浮列车最高时速可达每小时431千米。

The maglev train in Shanghai can reach __________ __________ __________ __________ 431 km per hour.
六、课后检测：
完成《名师课堂》的同步练习。