We all know that many inventions have changed our life a lot．They play important roles in our daily life．Here are some interesting inventions．

Morpher People refuse to wear helmets because they're thick and heavy．Morpher is a bike helmet made of plastic．It is just as strong as traditional helmets，but it can be folded almost completely flat，making it easier to carry．Morpher may be available for sale in stores in the near future．	Hyper Adapt Have you ever seen the movie Back to the Future？Maybe everyone wants the pair of shoes in the movie that can tighten or loosen by themselves．Now，thanks to the Shoe Factory，the dream is realized．When you push a buttonon the shoe，Hyper Adapt can tighten or loosen around the feet．
Flyte Flyte is a light bulls that can float（漂浮）and turn．Flyte has been popular with most people since it came out in January．The company also introduced a lot of similar products，including a planter，lyfe，which came out in June．	Little Printer It looks lovely and is called Little Printer．This machine can print news headlines（摘要），riddles and other things on a roll（卷）of paper．If you want to make your own little newspaper，don't forget to use it．

阅读上面的信息，选择正确答案．

56．Morpher is made of 　　．

A．	steel
B．	plastic
C．	gold
D．	wood

57．What's the main use of the Little Printer？ 　　

A．	To protect our heads more safely．
B．	To tighten or loosen by themselves around the feet．
C．	To float and turn in the water
D．	To print news headlines，riddles and other things．

58．The underlined word"button"means 　　in Chinese．

A．	按钮
B．	门铃
C．	电梯
D．	键盘

59．What kind of invention can float in the passage？ 　　

A．	Morpher．
B．	Little Printer．
C．	Flyte．
D．	Hyper Adapt．

60．Which of the following is WRONG according to the passage？ 　　

A．	Maybe everyone wants the pair of shoes in the movie Back to the Future．
B．	You can make your own little newspaper with the Little Printer．
C．	Flyte has been popular with most people since it came out in February．
D．	Morpher can be folded almost completely flat，making it easier to carry．