单项选择题

What's the main idea of the passage

A．1970 was World Conservation Year.
B．The United Nations wanted everybody to know that the world is in danger.
C．World Conservation is necessary.
D．It is the young people who are helping to save our worl

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热门试题

单项选择题

There are fewer plants, trees and flowers in Holland now because ______.

A．there has been a lot of conservation in Holland
B．Holland does not need so many plants, trees and flowers
C．many plants, trees and flowers don't grow there any more
D．some plants, trees and flowers are dangerous

单项选择题

NO ONE'S GOING TO CHANGE OUR WORLD was ______.

A．an important book published in 1970
B．an idea that nobody would accept
C．a record calling on people to conserve nature
D．a rule worked out by the United States