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Work in groups and discuss the questions before reading.
2. List some inventions that you know and their inventors. computer lock television light bulb chopsticks crayon … 3. Do you think you can be an inventor? Why? Yes, inventing is interesting and exciting and everyone can be an inventor.
v.列清单，把…列表
n.彩色铅笔（粉笔，蜡笔）等
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