Everyone ought to know that the world
is in danger. It is hoped that every government should act quickly in order to
conserve (保护) nature. Here is one example of the problem. At one time there were
1,300 different plants, trees and flowers in Holland, but now only 866. The
others have been destroyed by modem man and his technology. We are changing the
earth, the air and the water, and everything that grows and lives~ We cannot
live without these things either. What will happen in the future Perhaps it is more important to ask "What must we do now " The people who will be living in the world of tomorrow are the young of today. A lot of them know that conservation is necessary. Many are helping to save our world. In some countries young people spend their spare time as "conservation volunteers". They plant trees, build bridges acro A. every government is conserving nature B. people are changing the earth C. people’s technology is good to nature D. we can live without plants, trees and flowers [单项选择] {{B}}TEXT B{{/B}}
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