12．To protect the environment，we are on the way．Here are a few things we can do．
Unwanted gifts？Give them away!
Have you ever received a gift that you didn't like？Did you throw it away？If so，you can have another choice now．Two British companies hope people will give away their unwanted gifts to them．And they will resell the gifts to raise money for the poor．In this way，the gifts can be reused and have a future life．And people can make a difference to the world．
Wear the trousers that reduce pollution!
A chemistry scientist and a fashion designer have created a new kind of trousers．The trousers are made of a new material which can help reduce air pollution around us．Scientists have tested the material．The result shows that it isn't harmful to human．This new kind of trousers may appear at the market in two years．Professor Ryan said，"If thousands of people wear the trousers，the air quality will be better．"
Plant trees with Felix
Felix Finkbeiner，a 14-year-old German boy，is not famous as a child actor but an environment hero．At the age of 9，F(xiàn)elix got the idea that children could do something to protect the environment．So he started a club．Felix soon got support from children all over the world．Some of them have become his good friends．The club has an aim of planting 212million trees．They have planted over 3.5million trees all around the world．Felix said，"The answer to controlling global （全球的） warming is trees-lots of trees!"
32．The underlined word"resell"meansD in English．
A．buy something for the first time
B．sell something for the first time
C．buy something for the second time
D．sell something again after having bought it
33．Why do the companies resell the unwanted gifts？Because they wanted toB
A．save money from it
B．make the unwanted gifts useful
C．make money for themselves
D．help people learn to think carefully
34．The trousers mentioned in the passageC．
A．will be popular in two years
B．is created by a physics scientist and a fashion designer
C．can help make air pollution less
D．will do harm to people
35．Felix started a clubD．
A．to become famous
B．to make friends with the children around the world
C．to become a child actor
D．to protect the environment with other children．
