人教版高中英语选修八 Unit3 Inventors and inventions 导学案 6
1. 我所做的第一件事就是看看有没有什么产品能帮助我，但是，看来只有一种毒死蛇的粉药。 The first thing I did was to see if there were any products that might help me, __________________ ______________________ powders designed to kill snakes.
2. 只有在得到这种认可之后，你才可以说自己是一个真正的发明家。
________________________________________________ say that you are truly an inventor. 3. 每次你这样做的时候，你一定会发现你从未见过的东西。
______________ you do you will be certain to find something _____ you have never seen before. 4. 跟踪下去，不断探索，不知不觉中，你就会发现某种值得你思考的东西占据着你的头脑。 ____________, _____________________, ______ before you know it, you will have something worth thinking about to occupy your mind.
5. 授予专利是1876年，但五天之后贝尔才向他的助手华生发了第一个电话信息。 The patent was given in 1876, but ____________________________________________ Bell sent his first telephone message to his assistant Watson.
互动探究
I. 重点词汇
1. distinguish vt.&vi. 辨别；辨认；（常与from, between连用）区别；区分
[教材原句] Here was a chance for me to distinguish myself by inventing something merciful that would catch snakes but not harm them.
这回我有机会来表现一下自己，我要发明某种仁慈的东西，既可以把蛇抓到又不会伤害到它们。 [语境助记]
1). I can distinguish them at a distance. 从远处我能认出他们。
2). The man distinguishes himself by his wisdom这个人因智慧而扬名。 [归纳拓展]
distinguish A from B 辨别A与B be distinguished from不同于?? be distinguished by 以??为特征 distinguish oneself 显扬自己；使自己扬名 [及时应用] 根据句子的要求在括号里填入适当的介词或翻译。 ①Can you distinguish (中间) those two objects? ②Children should be taught to _______(分辨是非). ③Speech human beings (不同于?) the animals.
2. convenient adj.便利的，方便的 ____________n.便利，方便 _____________adv.便利地 [教材原句]They abruptly disappeared into a convenient hole in the wall. 它们突然一下子就消失在附近的墙洞里去了。 [语