单项选择题：有40辆汽车，其中30%是货车，其余是轿车。如果有1/4的轿车是出租车，问不是出租车

题型：单项选择题

阅读理解。

This year, about 2,300 teenagers from all over the world will spend about 10 months in US

homes. At the same time about 1,300 American teenagers will go to other countries to learn new

languages and learn the rest of the world.

Here is a 2-way student exchange in action. Fred,19, spent last year in Germany with George's

family. In turn, George's son Mike spent a year in Fred's home in America.

Fred, a lively young man, knew little German when he arrived. But after 2 months of studying,

the language became easy for him. School was completely different from what he had expected

and it was much harder. Students rose respectfully when the teacher entered the room. They took

14 subjects instead of 6 that were usually taken in the US.

Family life, too, was different. The father's word was the law. All the activities were done with

the family rather than individually. Fred found the food to be too simple at first. He also missed

having a car.

"Back home, you pick up some friends in a car and go out to have a good time.In Germany,

you walk but you soon learn to like it ."

At the same time, in America, Mike,a friendly German boy, was also forming his own ideas.

"I suppose I should criticize American schools" he says, "It is far too easy for our level but I have

to say that I like it a lot. In Germany, we do nothing but study. Here we take part in many other

activities. I think that maybe American schools are better in training their citizens. There ought to

be some middle ground between the two."

1 between American school life and German school life

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有40辆汽车，其中30%是货车，其余是轿车。如果有1/4的轿车是出租车，问不是出租车