题目
题型：同步题难度：来源：
How was the ball-point pen invented?
| who | John Loud, an American tanner | |||||||||||||
| when | in1888 | |||||||||||||
| advantage | help write faster , make life easier | |||||||||||||
| disadvantage | need refilling, sometimes leak | |||||||||||||
| to be used | many fields | |||||||||||||
| price | low | |||||||||||||
| changes | become small and lighter | |||||||||||||
| How was the ball-point pen invented? We know that the ball point pen is one of the most useful inventions. It was invented by an American tanner named John Loud in 1888. And it really helps us write faster and makes our like easier. But sometimes the ball-point pens leak and they need refilling.But they are widely used in many fields. And the price is usually low. Ball-point pens are becoming smaller and lighter. They are really useful in our life. (答案不唯一。) | ||||||||||||||
| 写作 | ||||||||||||||
读下面表格的内容，用所给的信息完成调查报告。
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