Unit 6 When was it inventedSection B3 (3a-Self check)【学习目标】1．一般过去时的被动语态的用法。2．能够用英语讲述自己所熟悉的某一发明的简单过程。3. 能够用英语介绍某一发明的简要过程。【和难点】学习:掌握本单元所学的词汇、句型及语法知识，并能进行练习运用。学习难点:用英语介绍某一发明。【课前预习】一. 翻译短语。1. decide on _______________ 2. come up with _______________3. lead to ______________ 4. all of a sudden ________________5. use someone else’s idea ____________ 6. be used for _____________二. 翻译下面的句子。1. 这个特殊的钢笔是由发明的。_______________________________________________________2. 很难断定谁先想到这个主意的。_______________________________________________________3. 他们认为发明家是借用其他人的想法来创造自己的发明。______________________________________________________三、用所给单词的适当形式填空。1. Ten eggs __________ (use) to make the big cake by my mother.2. The boys __________ (ask) not to shout in the hallway.3. When did they invent the __________ (person) computer?4. Thomas Edison was a great ___________ (invent) in history.5 . Some inventions can also lead to other inventions all of a _________ (suddenly).【合作探究】探究一、完成课本3a-ab部分的务。根据3a所给表格列举出的内容提示，想出些你不喜欢做的事，然后想出一些发明来帮助你，和同伴进行交流，写出提要。Think of something that you do not like doing. Then think of |
