Do you like to help others？ You can help others by using your interest and talent （才能）．Let the teenagers show you．

Name	Age	Actions
Alia	13	Ali draws rainbows （彩虹） on rocks．Then she puts the cocks where people can find them．This makes people happy．She also sells the rocks and gives away the money to help people in need．
Braden	14	Braden lost his hearing．So he has to wear hearing ads．When he knows that not all kids like him can buy hearing aids， he wants to help． So Braden starts a help centre online． So far， he has helped some kids hear better．
Savanna	15	Savanna wants kids to be healthy，so they can have happy lives． Her centre，Happy Hear， teaches about the importance of exercise and healthy eating．

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（1）Alia sells her rainbow rocks to 　　．

A．	help her parents
B．	make money for herself
C．	start a help centre
D．	help other people

（2）Braden has something wrong with his 　　．

A．	eyes
B．	ears
C．	nose
D．	mouth

（3）How many helpful teenagers are mentioned in the text？ 　　

A．	One．
B．	Two．
C．	Three．
D．	Four．

（4）Where is the text probably taken from？ 　　

A．	A tour guide．
B．	A newspaper．
C．	A magazine．
D．	A science book．