【正文】 le are injured in Great Britain every year ? A. Several thousand . B. Between one and two hundred people . C. Between 100,000 and 200,000 people . D. Between 1,000 and 2,000 people 2. “ New Scotland Yard ” may be . A. the police B. a factory mending cars C. a big hospital D. a group saving people from road accidents 3. “ In Great Britain traffic keeps to the left ” means . A. all the cars , buses etc . ing and going along the road must be driven along the left side of the road . B. all the cars , buses etc . ing and going along the road must be driven to the left side of the road . C. only trucks must be driven along the left side of the road . D. all the cars , buses etc . ing and going along the road must be stopped on the left side of the road . 4. In our country traffic should keep . A. to the left B. in the right C. on the left D. to the right 5. Which of the following is right ? A. Every road accident is caused by carelessness . B. “ The road is clear , ” means “ There’s nothing on it . ” C. Before crossing the road in China , you should look left first and then look right . D. People can play in the street except small children . （ B） 1970 World conservation（保護） year . The United Nations wanted everyone to know that the world was in danger . They hoped something could be done . Here is one example of the problem . At one time there were 1,300 plants , trees and flowers in Holland , but now only 866 are left . The others have been destroyed by modern man and his science . We are changing the earth , the air , the water and everything around us . We can’t live without these things . If things go on like this , we shall destroy ourselves . What will happen in the future ? Perhaps it is more important to ask “ What must we do ? ” More and more young people have known this . Many of them are helping to save our world . For example , they plant trees . In a small town in United States a large group of girls cleaned the banks of 11 kilometers of their river . Young people may hear about conversation through a song called “ no one’s going to change our world ” . It was made by Cliff Richard and other singers . The money from it will help to conserve tigers , elephants and panders on the earth . 6. The United Nations hoped something to be done . A. to conserve the world B. to change the world C. to develop the world D. to destroy the world 7. Why aren’t there so many plants , trees and flowers in Holland now ? Because . A. people there didn’t need so many plants , trees and flowers B. people there want to destroy themselves C. little conservation has been done there D. people need more land to live on 8. How many plants , trees , and flowers have been destroyed in Holland ? A. 1,300 B. 866 C. 2,166 D. 434 9. We shall destroy ourselves if we go on . A. planting trees and flowers B.