POP VERSUS ROCK Rock and pop music are becoming more and more similar, but there are still some important differences.Most pop singers make music their career.They use music to become rich and famous, and they sing songs that will be liked by everybo...
Unit 10 fur n 毛皮；毛；软毛 Tibetan adj 西藏的；藏族人的 n 西藏语；西藏人；藏族人 △antelope n 羚羊 in danger 在危险中；垂危 △endanger vt 危害, 使受到危险 die out 灭绝；逐渐消失 as a result of 作为...
Are We Endangered? Steve Jones is an environmental expert who tries to keep animals and plants from becoming endangered. We are not alone in the world. We human beings could not survive without all the plants and animals around us. We often talk abou...
Listen to the tape and fill in the correct information in the spaces below. 1. Walk along the streets of any major city and you will see that the air you breath is not very fresh. Air pollution is a serious problem in many of the world's big cities....
Without air, water and sunlight there would be no living things. Because they are so important, ecosystems try to be very careful with these valuable resourses. Human beings often throw away things they have used only once. In good ecosystems, resour...
Unit 9 △item n 项目；条款；（消息、情报等的）一条 toothpick n 牙签 △automobile n 汽车 agreement n 一致；协定 disagreement n 不一致；分歧 disagree vi 不同意；不一致 absolutely adv 绝对地；完全地 depend...
LIFE ON THE GO Wang Mei puts her hand into her pocket, takes out her red cellphone and presses the talk key. Hi, mum! Im on the bus. I should be home in about ten minutes. Wang Mei is one of many Chinese teenagers who live life on the go and use cell...
Technology Listen to the tape. What is being described? What can the things be used for? 1. These are very simple; two sticks about 20 cm long. They are usually made of wood. You hold the two sticks in one hand. You put one stick between two of your...
It is the year 2374 and the machines have taken over. The earth is ruled by a great computer named Q12 that uses robots to make people work for it. It is not a happy world. The few surviving human beings are being used in the way that we use machines...
Unit 8 BC （=before Christ）公元前 △Athens n 雅典（希腊首都） stand for 代表；代替；象征；支持 continent n 大陆； 陆地 because of 因为；由于 well－known 众所周知的；有名的；清楚明白 athlete n 运动员...
