More-|||-and more kids are interested in it.They-|||-trade the points for food for hungry kids-|||-in other countries. __-|||-A Bright Idea-|||-The light bulb (灯泡)has an-|||-important job.It brings light to darkness.-|||-Now there's Flyte.It is a light bulb that-|||-can float by using electricity and magnet-|||-(磁力).It is also wireless. __-|||-Built to Play-|||-Most man-made body parts are not-|||-fun.They do the job.That's it.But kids-|||-want to play,too. Iko helps solve this-|||-problem. Kids can replace the hand with-|||--1ike parts. The parts can be used-|||-.with Lego-a Lego rocket s ,for-|||-example.-|||-21.The small size of the drone __ _-|||-A.makes it more expensive-|||-B.makes it fly higher-|||-C.makes it very cheap-|||-D.makes it have fewer accidents-|||-22.Why do people call a kind of potato in Africa"a-|||-special sweet potato"?-|||-A.Because it tastes very sweet.-|||-B.Because it is grown in Africa.

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