《采蘑菇的小姑娘》歌词：“谁不知山里的蘑菇香，她却不肯尝一尝。盼到赶集的那一天，快快背到集市上。换上一把小镰刀，再换上几块棒棒糖，和那小伙伴一起，把劳动的幸福来分享。”在这里，蘑菇
A．是商品，因为它们不是劳动产品但以交换为目的
B．是商品，因为它们是劳动产品且以交换为目的
C．不是商品，因为他们没有进行交换
D．不是商品，因为不具有商品的属性
B
A的原因说得不正确，CD说法本身错误。
Traffic is becoming worse and worse in big cities. Heavy traffic has caused a lot of to people’s life and work. For example, people have to get up to go to work on time and come back very late when their work is .
There are many causes (原因) for problems, but the following may be the most important ones. One cause is the great increase (增长) in the of private cars. Cars need more space but they fewer people. When more and more cars appear, roads and streets become very . It also causes air pollution. The other cause is that some people don’t care about traffic . They cross the streets even when the traffic lights are still . This may easily cause traffic accidents. But how can we these problems? I think if we go out by bus or by bike more often, we’ll use cars less. It may be a helpful way.
| 小题1: | A．suggestions B．problems C．types D．imaginations |
| 小题2: | A．quietly B．late C．gently D．early |
| 小题3: | A．over B．on C．in D．out |
| 小题4: | A．food B．water C．traffic D．electricity |
| 小题5: | A．price B．number C．population D．distance |
| 小题6: | A．give B．use C．make D．carry |
| 小题7: | A．wide B．long C．crowded D．empty |
| 小题8: | A．rules B．ways C．reports D．dates |
| 小题9: | A．green B．red C．yellow D．black |
| 小题10: | A．discuss B．think C．forget D．solve |