C. It can detect users' fear of seeing a dentist.

　D. It can help users find their phones.

2. What can we learn from Serval's words in Paragraph 3?

　A. You will find it enjoyable to see a dentist.

　B. You should see your dentist on a day-to -day basis.

　C. You can brush with the Kolibree as if guided by a dentist.

　D. You'd like a dentist to watch you brush your teeth every day.

3. Which of the following might make the Kolibree toothbrush fun?

　A. It can be used to update mobile phones.

　B. It can be used to play mobile phone games

　C. It can send messages to other users

　 D. It can talk to its developers.

4. What is Paragraph 5 mainly about?

　A. How Serval found out his kids lied to him.

　B. Why Serval thought brushing teeth was necessary.

　C. How Serval taught his kids to brush their teeth.

　D. What inspired Serval to invent the toothbrush

5. What can we infer about Serval's children?

　A. They were unwilling to brush their teeth

　B. They often failed to clean their toothbrushes.

　C. They preferred to use a toothbrush with a dry head.

　D. They liked brushing their teeth after Serval came home.

6. What can we learn about the future development of the Kolibree?

　A. The brush handle will be removed. B. A mobile phone will be built into it.

　C. It will be used to fill holes in teeth D. It will be able to check users' teeth

【考点】考察科普知识类阅读

【文章大意】本文介绍了一种新的发明：the Kolibree toothbrush;介绍了这种牙刷的特点及功能。以及这个发明的起因和具体的用法。

1. 【答案】A

【试题解析】细节题。根据文章第二段2,3行It senses how it is moved and can send the