Question

Inventions make the world better, smarter and – in some cases – a little more fun.

	The folding(可折叠的) bike helmet: People refuse 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 themselves tighten and loosen around your feet.
	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 of vitamin A puts children at risk of blindness, malaria(疟疾) and many other diseases. In sub-Saharan Africa, plant scientists are helping them grow a kind of new sweet potatoes. These potatoes can help them fight viruses.

1.The folding bike helmet is _______.

A.thick and heavy B.made from metal

C.not as strong as a traditional one D.flexible enough to fold almost flat

2.Which company makes self-tying shoes?

A.Adidas. B.Nike. C.Kappa. D.Lining.

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

4.If someone has a poor eyesight, he may be in the lack of _______.

A.vitamin D B.vitamin E C.vitamin A D.vitamin K

5.You can find the passage in a _______.

A.newspaper B.storybook C.guidebook D.cookery book

Answer 1