题目内容：

    Some teenagers try their best to make some difference to the world.

Christopher Thornton

Christopher Thornton,17,is a high school student in the US.He grew up in a poor community.People there cannot get cheap and healthy food as there's no fresh food sold in the neighborhood."We want to sell food  that is natural and healthy,"says Christopher.

Now his dream come true . He and his team of about  20 teens are running their own sweet business by selling honey. The honey is used to cover their expenses and help the children in need in their neighborhood.

The sweet business started with the dream  of providing the townspeople: with high quality, nutritional  honey and now it offers a chance to learn skills that may help them start their own business in the future.

Suchetha Satish

A 12 year -old Indian girl.Suchetha Satish  has set a new world record by singing in 102 languages over 6 hours 15 minutes in a concert in Dubui.'The program is titled Music Beyond Boundaries.

Born into  a family of music lovers,  Suchetha showed an interest in singing from a very young age.The talented young girl is also active in large activities for the public good,For example,she encourage the youth to take up music or sports rather than tobacco,alcohol and drugs.

Zayd Menk

A gifted artist has made a wonderful large model of New York City's midtown Manhattan using nothing but rubbish.

Zayd Menk's creation took the determined 17-year-old boy more than three months to build.Some buildings, Zayd said,were particularly challenging-mainly because of their unique shapes.

Layd refers to his art as"recyelism"and describes it as"exploring how man-made rubbish can be used to make art".

1.What was Christopher's dream?

A.To make enough money for his future study.

B.To do business by selling natural healthy food.

C.To train the teens with skills of doing sweet business.

D.To produce natural healthy food for his community.

2.What does Suchetha do to the public good?

A.She teaches the youth to sing songs in foreign languages.

B.She asks the adults in her community to stop using alcohol.

C.She organizes the youth to compete in international contests.

D.She calls on the youth to keep away from drugs.

3.What was challenging to Zayd while making Mini Manhattan?

A.Thinking about how rubbish is sorted.

B.The unique shapes of the buildings.

C.The designing of the model.

D.Exploring how to make rubbish into art.