1970 was World Conservation（保护）Year. The United Nations wanted everyone to know that the world is in danger. They hoped that government（政府）would act quickly to conserve nature（保护自然）. 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 remain（剩余）. The others have been destroyed by modern man and his technology. We are changing the earth, the air, water and everything that grows and lives. We can't live without these things. If things go like this, we shall destroy（破坏）ourselves.

根据短文内容，判断正（T）、误（F）。

(3)434 different plants, trees and flowers in Holland disappeared（消失）.

(　　)

　　In 1933 an unknown American called Clarence Nash went to see the film-maker Walt Disney. He bad an unusual voice and he wanted to work in Disney's cartoon films（动画片）for children. When Walt Disney heard Nash's voice, he said,“Stop! That's our duck!”

　　The duck was the new famous Donald Duck, who first appeared（出现）in the film. The wise little duck Donald lived in an old houseboat and wore his sailor（海员）jacket and hat. Later that year he became a star after an eight-minute Mickey Mouse film. The cinema audience liked him because he was lazy and greedy（贪婪）, and because he lost his temper（脾气）very quickly. And they loved his voice, when he became angry with Mickey's eight nephews（侄子）Soon Donald was more popular than Mickey Mouse himself, probably because he wasn't goody-goody like Mickey.

　　In the 1930s, 1940s and 1950s Donald and his friends Mickey, Coody and Pluto made hundreds of Disney cartoons. He also made educational（教育的）films. Then in 1966 Donald Duck and his voice disappeared（消失）... there were no more new cartoons.

A．A cartoonist in American.

B．A famous duck in the word.

C．A person who produced films.

D．The man who gave Donald Duck's voice.