仁愛版初三英語上冊全冊教案2

①(  ) it’s good that people produce power from coal.
②(  ) nuclear power is dangerous. so we can’t use it.
③(  ) china is one of the first countries in the world to use biogas technology.
④(  ) the maglev train can be used in most of china.
 (師生共同核對答案。)
4. (播放錄音，讓學生跟讀，注意語音語調。)
  t: now, listen to the tape of 1a and repeat. pay attention to the pronunciation and intonation.
step 3  consolidation 第三步  鞏固(時間:10分鐘)
鞏固1a，完成1b，明確閱讀任務，提高閱讀能力。
1. (要求學生閱讀1a課文，完成1b。明確閱讀任務，有助于提高閱讀效率。)
t: look at the form in 1b. read the passage again and fill out the table.
(幾分鐘后。)
t: discuss the answers in your group. then let’s check them together.
(先讓學生在小組內討論，然后師生共同核對答案。)
2. (讓學生再讀1a，找出疑難點，并鼓勵他們分組討論解決疑難點，教師作補充講解。)
t: read 1a again, find the points you don’t understand, and then discuss in groups.
3. (根據1b表格，以問答形式復述1a課文，鞏固1a。)
t: let’s retell 1a according to the table in 1b by asking and answering.
example:
(1) t: what are the advantages of biogas?
   ss: renewable.
(2) t: can you say something about electric vehicle?
   ss: efficient, cheap, and no pollution.
(3) t: what are the disadvantages of maglev train?
   ss: much more expensive than traditional trains.
…
step 4  practice 第四步  練習(時間:8分鐘)
學生四人一組討論，進一步了解節約能源的幾種新型發電技術，完成2。
1. (教師出示2中的圖片，讓學生看圖說話。)
(1)t: now please look at the four pictures. what ways do they use to produce electricity? match the pictures with the proper sentences above.
(板書，并要求學生理解。)
movement
(2)(核對答案后，讓學生說出圖中四種發電方式的優缺點。)
t: what’s the advantage of these ways?
ss: less pollution.
t: that’s right. for example, lighting is powerful. if it can be made good use of, that would be great. i’m sure you can do it one day. come on, my children.
…
t: what’s the disadvantage of these ways?
ss: all of them must be used to produce electricity in some special situations. that’s to say, they are limited. for example, people can produce electricity from the sun, but if there is no enough sunlight, how does it work? (學生在教師的幫助下回答。)
2. (讓學生四人一組討論更多的發電技術，然后向全班匯報。完成2。)
  t: now, work in groups of four. think about what else can be used to produce electricity. then report to the class.
step 5  project 第五步  綜合探究活動(時間:7分鐘)