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Unit6 When was it invented?Period 1 Section A(1a-1c)学习要点：通过学习句型When was it invented?来学习并掌握一般过去时态的被动语态。 一、自主学习 （一）、翻译下列年代：1 nineteen seventy-one_ 2 eighteen eighty-five_ 3. eighteen seventy-six_ 4.1927_ 5.1976_ 6.1895_ （2） 了解我国的四大发明，检查1a 的预习效果2、 课堂活动Step 1：完成1b的听力练习. 认真听录音找出1b中个四个发明的时间。1. The telephone was invented in . 2. The computer was invented in .3. The car was invented in . 4. The TV was invented in .Step 2:跟读听力材料，勾画be+invented的结构。Step3 :编写新的对话并大声地练习,相互练习对话，完成1c的内容。eg. A: When was the TV/ telephone / computer car /invented? B：It was invented in .Step4:拓展延伸1.invent (v.)发明；创造invent指发明创造出自然界本来不存在的东西，如工具、方法、手段、汽车、电器、合成材料等。例:Bell _the telephone. 贝尔发明了电话。Smith _a new teaching method. 史密斯发明了一种新的教学方法。discover, find, create 1.discover是“发现”的意思，是指发现原来就有而一直没被发现，如发现电、煤、石油等矿藏及新星、星系或科学真理等。Columbus _ America in 1492.1492年哥伦布发现了新大陆。Recently they have_a comet. 最近他们发现了一颗彗星。2.find的意思是“寻找”，强调找的结果，并不指发现。Ive tried to_another copy but couldnt_one. 我试图再找一本，但没能弄到。3.create指有目的地把原材料制成新产品，也指创造出原来不存在的或与众不同的事物。Man _ himself. 人类创造了自己。A novelist _characters and a plot. 小说家塑造人物并设计情节。学习成果展示根据语境提示，用invent, discover，find或create的形式填空，完成句子。1.When _ the stream engine（蒸汽机） _?2.I cant _ my bike, Im looking for it. 3. Scientists are now trying to _ if this is possible.4. Do you know who_ the plane？5. He _quite a number of wonderful characters in his play.3、 课堂检测1.The young_has over twenty_. A . inventor; inventors B invention; inventions B inventor; inventions Dinvention; inventors2I think the car _in 1885.A. invented B. invent C. is invented D. was invented3.Most of rice in China _in the South。Aare grown Bis grown Cgrow Dgrown4.I think the computer _ (invent) before the TV.5.When _the paper_(invent)?四、课堂评价1.自评： 小组评 ：2.已学到了哪些知识？3.存在的问题或困惑？
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