英语2-整理资料.docVIP

一、选词填空：10题，每题1分，共10分 Unit 1 III. Put in the missing words according to the text. There are several main types of pollution and well-known effects of pollution. One type of air pollution is the release of particles into the air from burning fuel for energy. Another type of pollution is the release of harmful gases in the atmosphere, forming smog and acid rain. The greenhouse effect is also referred to as global warming. In many countries in the world, steps are being taken to stop the damage to our environment from air pollution. They have set controls on pollution emissions for transportation vehicles and industry and we must meet the challenge in order to assure that a healthy environment will exist for ourselves and our children. VI. Fill in the blanks with the proper words and expressions given below, changing the form if necessary. 1.We refer to copper and silver as good conductors. 2.Here patience is essential. 3.The company supply, the children in the mountain area with a lot of books. 4.These phenomena are very common now. 5.These English words derive from Greek. 6.The storm caused untold damage to the farmer’s production. 7.The region continues to suffer from serious pollution. 8.How do you convert iron into steel? 9.Climate change could have serious consequences for Africa. 10.The harmful substances released into the environment. VII. Word building. Now add -en to each of the words below and then complete each of the following sentences with one of the finished words. Sharp-sharpen; deep-deepen; high-heighten; bright-brighten; short-shorten; broad- broaden; wide-widen; quick-quicken; dark-darken; long-lengthen. 1. John glanced at his watch and quickened his pace. 2. The road broadened into an imposing avenue last year. 3. His expression brightened when I mentioned the money. 4. The gap between income and expenditure has widened to 10%. 5. They are talking about shortening the working week. 6. The bad news darkened their view of the situation. 7. It’s an o