information to an Android phone or iPhone可知这种牙刷可以感觉到牙刷的移动并向手机发射与此有关信息的信号。也就是说这种牙刷可以感觉到用户如何刷牙。故A正确。

2. 【答案】C

【试题解析】细节题。根据第三段2,3行"It's kind of like having a dentist actually watch your brushing on a day-to-day basis,"可知这种牙刷会让你感觉到有一个牙医在注意着你如何刷牙并指导你如何刷牙。故C正确。

3【答案】.B

【试题解析】推理题。根据文章第四段2,3行developers could, for instance, create a game controlled by your toothbrush. You could score points for beating monsters among your teeth. "We try to make it smart but also fun,"可知还可以用这个来玩游戏，让它具有娱乐性。故B正确。

4. 【答案】D

【试题解析】推理题。根据文章第五段前3行Serval says he was inspired by his experience as a father. He would come home from work and ask his kids if they had brushed their teeth. They said "yes," but Serval would find their toothbrush heads dry.可知作为父亲的他经常发现孩子不刷牙。所以他想找一个方法来监督孩子刷牙，他才有了发明这样的事物的想法。故本段是为了说明他有这样的发明的原因，也就是：是什么鼓励着他发明出The Kolibree toothbrush。故D正确。

5. 【答案】A

【试题解析】推理题。根据第五段2,3行He would come home from work and ask his kids if they had brushed their teeth. They said "yes," but Serval would find their toothbrush heads dry.可知Serval问孩子们有没有刷牙，孩子说"yes"，但是牙刷还是干的。什么吗孩子没有刷牙。是因为他们不喜欢刷牙，这是他们不喜欢做的事情。故A正确。

6. 【答案】D

【试题解析】推理题。根据文章最后一句The camera can even examine holes in your teeth while you brush. 可知牙刷上装的相机甚至能够检查你的牙齿上的小洞。说明它可以检查你的牙齿。故D项正确。

【长难句解析】

1.The toothbrush will also be able to talk to other applications on your phone, so developers could, for instance, create a game controlled by your toothbrush.

【翻译】这种牙刷还可以和其他的手机应用进行交流，那么开发者就可以创造一种由你的牙刷控制的游戏。