Passage Two
Some people think they have an answer to the troubles of automobile crowding and dirty air in large cities. Their answer is the bicycle, or "bike."
In a great many cities, hundreds of people ride bicycles to work every day. In New York City, some bike riders have even formed a group called Bike for a Better City. They claim that if more people rode bicycles to work there would be fewer automobiles in the downtown section of the city and therefore less dirty air from car engines.
For several years this group has been trying to get the city government to help bicycle riders: For example, they want the city to draw bicycle lanes on some of the main streets, because when bike riders must use the same lanes as cars, there are accidents. Bike for a Better City feels that if there were special lanes more people would use bikes.
But no bicycle lanes have been drawn. Not everyone thinks it is a good idea--they say it will slow t
A. are more convenient than cars
B. are safer traffic tools than cars
C. are ridden by most people in U.S.
D. are the solution to some city problems
Passage Four
Sometimes teens need to have some time away from their families. They may want’ to move out of the family home for a while.
Many parents will say no to this demand. But experts say it might be a good idea to let your teens live with a friend or relative.
"It was the break I needed at the time," said Richard Lerner. He is talking about the time he spent living with his grandmother when he was 15.
"It allowed me to be a different person than I was with my parents." Lerner said. He now heads the Institute for Children, Youth and Families at Michigan State University.
Experts say teens living away from their families can test new ways of thinking and getting along with people. They may see new solutions (解答) to problems.
This is different from running away, the experts stress. Runaways are often fleeing serious problems.
Some teens who want some time away from family attend a structu
A. teens never left their families
B. teens often left their parents
C. teens never went to school
D. teens never make friends with each other
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