第10课时 Units 3—4（八下） 一词多义专练 ●1 cut A.v.切成;割成 B.v.削减;缩减 C.n.伤口 （1）It showed the life expectancy（预期寿命） had been cut by 5.5 years there. （2）Chunking is a way of remembering a piece of information by cutting it into smaller ones. ●2 key A.n.钥匙 B.n.关键;要诀 C.n.（计算机或打字机的）键 D.adj.关键的;最重要的 （1）Never giving up is the key to making our dreams come true. （2）A special college program makes it possible for more students from those areas to go to key colleges and universities. （3）A password is like a key to your home. If someone steals it, he’ll get chances to steal something. （4）I pressed the “Delete” key by mistake; as a result, all the information was gone. ●3 cause A.n.原因;起因 B.v.引起;造成 （1）Cars can cause most of the air pollution. （2）Drunk driving is one of the most common causes of traffic accidents. 核心词句运用 Ⅰ.根据句意或所给提示,填写正确的单词。 1.For our safety, we’d better avoid （go） out alone at night. 2.The old lady has an old house.There are several （mouse） in the old house. 3.—Let’s go swimming in the river this afternoon. —We’d better not. It’s （danger）. 4.You can enjoy water sports, or （simple） lie on the beach. 5. It is believed that environmental （protect） is very necessary for the future. 6. Don’t argue with your parents. They （true） care about you. 7. The man was badly hurt because he couldn’t operate the machine （proper）. 8.At beginning of the concert, Tan Dun played a piece of music with water. 9.Our city is famous its beaches.We can enjoy the sun there. 10.Everyone, you need to have a dream.The future of China depends you! Ⅱ.词语运用 When I planned my trip to China, I wanted to work at the Dujiangyan Panda Base in Chengdu. While I was there, I learned a lot about pandas and I can take good care of them 1. （easy）. Wild pandas live in bamboo forests. They spend about twelve hours a day 2. （eat） bamboo, but they sometimes eat other plants or small animals. At Dujiangyan, we also gave them fruit and delicious panda cakes that were made 3. _____rice, eggs, flour and other things. Adult giant pandas weigh between 75 and 135 kilograms. A baby panda only 4. （weigh） about 85 grams when it is born. The baby panda drinks milk for about four 5. （month） and then begins to eat bamboo.Young pandas stay with 6. （they） mothers for around one and a half years. Pandas are in great 7. （dangerous）. Scientists think there are now between one thousand five hundred 8. two thousand pandas in the wild. This is a small number. The scientists are doing 9. lot of work to increase the number of pandas. Working there is the most 10. （forget） experience in my life. Ⅲ.连词成句 1. the, how, do, Internet, they, often, use 2. be afraid of, used, I, ... ...
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