《2025年新课程学习与测评同步学习八年级英语上册外研版》

**情境导语：** A fantastic invention.
**五、从方框中选择适当的单词，并用其正确形式填空。 每个单词只能用一次。**
(传统文化)
it be because what by invent clean popular everyday hundred
There is a small thing we use every day. We usually put 1. it in the bathroom. Without it，we might have tooth problems. Can you guess 2. what it is? Yes，it’s the toothbrush (牙刷). But do you know anything about its history?
According to some research，before toothbrushes appeared，the ancient Chinese people 3. cleaned their teeth with some small tree branches (树枝). About 800 years ago，people made a kind of brush with pig hair and bamboo. It might 4. be the world’s earliest form of toothbrushes. As time went 5. by ，the forms of toothbrushes changed. For example，people chose horse - tail hair instead of pig hair 6. because pig hair was too hard. Imagine that you travel back to 7. hundreds of years ago and brush your teeth comfortably. It sounds fantastic.
Around the 15th century，the Chinese toothbrush found its way into Europe. It became 8. popular among local people soon. The 9. invention of toothbrushes was not as famous as that of paper - making，but it was very useful in our 10. everyday life. Today we have a good habit of brushing teeth. We should thank the ancient Chinese for it.

答案： 1. it 2. what 3. cleaned 4. be 5. by 6. because 7. hundreds 8. popular 9. invention 10. everyday