第七周周末作业 语法填空专项练习 （1）It’s very important that we all recycle (再利用) things. In nature, everything ____1_____(use) again. For example, when an animal dies, it becomes other animals’ food. Nothing is wasted. But _____2____ (human) have created things like plastic bags __3____can’t be broken down by nature. Our rubbish kills animals and ___4_____(pollute) water and soil. ____5____ we continue making too much rubbish, the problem will only get ____6___(bad). If nature can’t reuse the rubbish, we must recycle it.21世纪教育网版权所有 We should clean up the rubbish we’ve made because nature can’t. Recycling is also the right thing to do for another reason. The earth is rich in natural materials____7____ water and trees, but these materials are not endless. We use up our natural materials much ___8_____(fast) than the earth is able to reproduce them. For example, each year we cut ___9_____ more than 6000 square miles of forest. But it takes an average of 25 years for a new tree ___10_____( grow). Recycling can help us save the earth, so let’s take action right now. （2）Air is very important to everything that lives. But ____1___ air we breathe is getting dirty. People all over the world are looking ____2___ ways to make it clean again.21·世纪*教育网 Have you ever watched the smoke from chimneys(烟囱) ____3___ (rise) high in the air? Have you ____4___ (see) the smoke from cars and trucks on roads or the smoke from planes? The smoke is ____5___ (harm) to everyone, especially old people and children. If we want ____6___ (keep) well and strong, we need to breathe fresh air.【版权所有：21教育】 ____7___ more and more factories everywhere and more and more cars, trucks and planes, it is getting harder and harder to do with the air ____8___ (pollute).21教育名师原创作品 ____9___ (science) have already found ways to stop or slow down some of the things that make the air dirty. They will not stop working ___10____ we have clean air again. (3) Please eat the right food. It can help you live a longer and 1 (health) life. You should eat different 2 (kind) of food, especially low-fat foods, such 3 vegetables, fruit, fish 4 milk. It is never 5 late to start eating properly. Weighing too much or too little can lead 6 health problems. After the age of 45, many people become overweight. You can control your 7 (weigh) by 8 (eat) healthy food and being 9 (act). You should spend time on physical exercise. If the weather is bad, try an exercise show 10 TV, watch an exercise tape at home or walk around shopping center. (4) I am Jackie Lee, an American Chinese. Let me tell you about my ___1___ (grandfather) life story. 【出处：21教育名师】 My grandfather was born in 1932 and grew up in a poor village in Fujian, China. At the age of 14, he first ___2___ (hear) of America. It was said to be the land of gold and poor people could ___3___ ( easy ) become rich there. So, my grandfather came to America. "I had thought it was easy to make money in America," ... ...
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