更多"There is no doubt that the environm"的相关试题:
[填空题]There is no doubt that the environment is in trouble. Factories burn fos (46) fuels which produce acid rain, and this kills trees. At the same time, greenhouse gases rise into the air and con (47) to global warming, which threatens to melt the polar ice cap. Meanwhile, far (48) clear huge areas of rain forest in places such as the Amazon to produce feeding land for cattle or produce wood for building. Rivers and oc (49) are so heavily contaminated by industrial waste. Cars pump out poisonous gases which we all have to breathe in.
Poaching and overfishing are killing off millions of animals, including whales, elephants and other endangered species. In fact, our finely balanced ecosystem is being (50) (system) destroyed by human greed and thoughtlessness.
There is a lot we can all do, however, to help prevent this. The easiest thing, of course, is to (51) waste material such as paper and glass so that we can use
[填空题]With more and more young people getting into trouble with the law, social workers are very busy. They are trying to keep (36) out of jail and in school.
One way to do this is to keep those young people busy with a (37) activity. In some places, social workers set up programs to direct (38) energy from the drawing of graffiti (涂鸦) to the (39) arts.
In other places, basketball or baseball teams are set up. Sometimes the young people are (40) into patrol groups. Then, they are given the job of protecting older citizens that they might (41) have robbed and attacked. Social workers set up these youth programs to meet the needs of a (42) area.
Social workers are highly trained people and are good at solving community problems. They know how to set up (43) and get things started. However, (44) . These voluntary people encourage the young artists, train the sports teams, and oversee the pat
