How fit are your teeth? Are you lazy about brushing them? Never fear: An inventor is on the case. An electric toothbrush senses how long and how well you brush, and it lets you track your performance on your phone.
The Kolibree toothbrush was exhibited at the International Consumer Electronics Show in Las Vegas this week. It senses how it is moved and can send the information to an Android phone or iPhone via a Bluetooth wireless connection.
The toothbrush will be able to teach you to brush right (don’t forget the insides of the teeth!) and make sure you’re brushing long enough. “It’s kind of like having a dentist actually watch your brushing on a day-to-day basis,” says Thomas Serval, the French inventor.
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. You could score points for beating monsters among your teeth. “We try to make it smart but also fun,” Serval says.
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. He decided he needed a brush that really told him how well his children brushed.
The company says the Kolibree will go on sale this summer, for $99 to $199, developing on features. The U.S. is the first target market.
Serval says that one day, it’ll be possible to replace the brush on the handle with a brushing unit that also has a camera. The camera can even examine holes in your teeth while you brush.
1．Which is one of the feature of the Kolibree toothbrush?
A．It can sense how users brush their teeth.
B．It can track users’ school performance.
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
A warm drink of milk before bed has long been the best choice for those wanting a good night’s sleep. But now a study has found it really does help people nod off—if it is milked from a cow at night.
Researchers have discovered that “night milk” contains more melatonin(褪黑激素), which has been proven to help people feel sleepy and reduce anxiety.
The study, by researchers from Seoul, South Korea, involved mice being fed with dried milk powder made from cows milked both during the day and at night.
Those given night milk, which contained 10 times the amount of melatonin, were less active and less anxious than those fed with the milk collected during daytime, according to the study published in The Journal of Medicinal Food.
Night milk quickened the start of sleep and caused the mice to sleep longer.
While the effect of cows milk harvested at different time has not been tested on humans up to now, taking melatonin drugs has been suggested to those who are struggling to fall asleep at night.
Previous studies have also indicated that milk can be excellent for helping sleep because of the calcium content, which helps people to relax.
Milk is also sugar-free and additive-free with nutritionists recommending skimmed milk as the best choice before bed as it is the least fattening. The more fat you take in before bedtime, the greater burden you will put on your body at night.
32. According to the text, the mice fed with daytime milk_______.
A. started sleep more easily
B. were more anxious
C. were less active
D. woke up later
33. Which of the following is true of melatonin according to the text?
A.It’s been tested on mice for ten times.
B.It can make people more energetic.
C.It exists in milk in great amount.
D.It’s used in sleeping drugs.
34. What can be a suitable title for the text?
A. Night Milk and Sleep
B. Fat, Sugar and Health
C. An Experiment on Mice
D. Milk Drinking and Health
35. How does the author support the theme of the text?
A. By giving examples.
B. By stating arguments.
C. By explaining statistical data.
D. By providing research results.