仁爱英语九年级unittopicsectionC学习教案

1、会计学1仁爱英语九年级仁爱英语九年级unittopicsectionC第一页，编辑于星期一：十四点 四分。Look up these words in a dictionary. power acid rain nuclear renewable electric efficient电力；电力；动力；力动力；力酸雨酸雨原子核的，原子核的，原子能的；原子能的；核动力的核动力的可更新的可更新的电动的，电动的，用电的用电的效率高的；效率高的；有能力的有能力的第1页/共16页第二页，编辑于星期一：十四点 四分。Wind is used for producing electricity in many

2、 places.Look at the following pictures and guess the meaningof the underlined word.第2页/共16页第三页，编辑于星期一：十四点 四分。More and more people are interested in electric cars.Look at the following pictures and guess the meaningof the underlined word.第3页/共16页第四页，编辑于星期一：十四点 四分。people produce power from coal, but i

3、t is verydirty and causes acid rain.Look at the following pictures and guess the meaningof the underlined words.第4页/共16页第五页，编辑于星期一：十四点 四分。Nuclear power is clean but it is very dangerous.Look at the following pictures and guess the meaning of the underlined word.第5页/共16页第六页，编辑于星期一：十四点 四分。Read 1a and

4、answer the following questions.Why isnt coal a good material?What is the disadvantage of using nuclear power?What do you think of electric cars?What do you think of the maglev train?It is very dirty and causes acid rain. Nuclear power can be very dangerous. It is quiet and quick.They are very effici

5、ent and cost very little to run. 第6页/共16页第七页，编辑于星期一：十四点 四分。Choose the right picture for each paragraph of 1a.abcChina is one of the first countries in the world to use biogas technology. Farmers recycle straw, grass and animal waste to make biogas. This renewable energy is used in peoples everyday l

6、ife.Electric vehicles were developed in the 1990s. Now there are electric vehicles in many countries. They are very efficient and cost very little to run. Although electric vehicles produce no pollution, there will be an increase in electricity needs if they are widely used. In China, the best-known

7、 maglev train is the German-built one in Shanghai. It takes people just 7 minutes to go to the airport 30 km away and reaches a top speed of 431 km per hour. It is quiet and quick. There is no wheel noise, because there are no wheels. Maglev trains are very energy efficient and do not pollute the ai

8、r. However, maglev guide paths are much more expensive than traditional steel railways.第7页/共16页第八页，编辑于星期一：十四点 四分。1bWork aloneRead 1a again and fill out the following table.Way to produce powerAdvantageDisadvantagebiogaselectric vehiclemaglev trainrenewable efficient,cheap, no pollution quiet, quick,

9、energry efficient, no pollution It will cause an increase in electricity needs. much more expensive than traditional trains. 第8页/共16页第九页，编辑于星期一：十四点 四分。a. There are more than 3 000 power stations in the world that produce electricity by burning garbage to heat water.b. People use the movement of wate

10、r to produce electricity.c. Wind is used for producing electricity in many places.d. People produce electricity from the sun.( )( )( )( )abdc第9页/共16页第十页，编辑于星期一：十四点 四分。Fill in the blanks using but, and, though and while.1. _ its raining hard, he keeps on working outside.2. Kangkang can solve the prob

11、lem, _ I cant.3. Mr. Lin is very kind _ he is very humorous.4. The suit fits me well _ I cant afford it.Though while and but 第10页/共16页第十一页，编辑于星期一：十四点 四分。Use but, and, though and while to describe the ways of producing power.第11页/共16页第十二页，编辑于星期一：十四点 四分。3Written workWhat good habits protect the enviro

12、nment? List as many as you can. The more you list, the greener you are.Good Habits1. Turn off the lights when you leave a room.2. Walk or ride a bike instead of taking a bus or a taxi. 3.Take a cloth bag when you go shopping. 4.Dont use plastic bags. 第12页/共16页第十三页，编辑于星期一：十四点 四分。Useful expressionsIn many countries, people produce power from coal or nuclear energy.Its a pity that its too expensive to use in