Inventions make the world better, smarter and a little more fun.

	The folding bike helmet (头盔) People hate to wear a helmet because it’s thick and heavy. Morpher is a bike helmet made from plastics. It is just as strong as the traditional ones, but flexible (灵活的) enough to fold almost totally flat. Also it is much easier to carry.
	Shoes that tie themselves After we see the movie Back to the future, almost everyone wants a pair of self-tying shoes. Now, thanks to Nike, the shoe dream comes true. When you press a button, the shoes can tie themselves.
	The smart alarm clock Hello Sense An alarm clock, called Hello Sense, can improve your sleep. It can control the temperature, light and even air quality in your bedroom to help you have a perfect sleep environment. And it can record your sleep cycles.
	Sweet potatoes that could save lives The lack (缺乏) of vitamin A can cause blindness and many other illnesses. In Africa, plant experts are helping them grow a kind of new sweet potatoes. These potatoes can help them fight against some illnesses.

【小题1】The folding bike helmet is ________.

A．thick and heavy	B．made from metal
C．not as strong as a traditional	D．flexible enough to fold almost flat

【小题2】Which company makes self-tying shoes?

A．Adidas.

B．Kappa.

C．Nike.

D．Li Ning.

【小题3】The smart alarm clock can NOT ________.

A．improve our sleep	B．control our weight
C．record our sleep cycles	D．control the temperature in the bedroom

【小题4】If a child has a poor eyesight, he may be in the lack of ________.

A．vitamin A

B．vitamin B

C．vitamin C

D．vitamin D

【小题5】You can find the passage in a ________.

A．magazine

B．story book

C．guide book

D．Chinese book