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    C
How fit are your teeth? Are you lazy about brushing them? Never fear: An inventor is on the case. An electric toothbrush senses （感覺） how long and how well you brush, and it lets you track（跟蹤） 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 （無線的） 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 （設(shè)備）on your phone, so developers could, for example, create a game controlled by your toothbrush. You could score points for beating monsters among your teeth. “We try to make it smart and 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, from $99 to $199, and the U.S. is the first target market. ( 目標(biāo)市場)
29. All of the following statements are wrong except ____________.
A. It can sense how users brush their teeth.     B. It can track users’ school performance. 
C. It can check users’ fear of seeing a dentist.   D. It can help users find their phones. 
30. 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. 
31. 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. 
                                 D
    You are the collector in the gallery of your life. You collect. You might not mean to but you do. One out of three people collects tangible（有形的）things such as cats, photos and noisy toys.
These are among some 40 collections that are being shown at “The Museum Of”—the first of several new museums which, over the next two years, will exhibit the objects accumulated （積累） by unknown collectors. In doing so, they will promote（推動） a popular culture of museums, not what museums normally represent （代表）.
Some of the collections are fairly common—records, model houses. Others are strangely beautiful—branches that have fallen from tree, for example. But they all reveal （顯露）a lot of things: ask someone what they collect and their answers will tell you who they are.
Others on the way include “The museum of Collectors” and “The Museum of Me.” These new ones, it is hoped, will build on the success of “The Museum Of.” The thinkers behind the project want to explore why people collect, and what it means to do so. They hope that visitors who may not have considered themselves collectors will begin to see they, too, collect.
Some collectors say they started or stopped making collections at important points: the beginning or end of adolescence ( 青春期 )—“it’s a growing-up thing; you stop when you grow up,” says one. Other painful times are mentioned, such as the end of a relationship.  
32. How will the new museums promote a popular culture of museums?
A. By collecting more tangible things.
B. By showing what ordinary people have collected.
C. By correcting what museums normally represent.
D. By accumulating 40 collections two years from now.
33. What can be learned about collectors from their collections?
A. Who they are.                          B. How old they are.
C. Where they were born.                   D. Why they might not mean to collect.
34. Which of the following is an aim of the new museums?
A. To help people sell their collections.         B. To encourage more people to collect.
C. To study the importance of collecting.      D. To find out why people visit museums.
35. According to the last paragraph, people may stop collecting when they _______.       
A. become adults                        B. feel happy with life
C. are ready for a relationship              D. are in their childhood
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