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1、Unit 1 Life on MarsPeriod 2 Reading【学习目标】1. 识别和理解有关火星生活的词汇。2. 说出地球生活与火星生活的不同之处。【导学提纲】A.听磁带，根据音标拼读课本P8-9的单词并背诵，默写。B.认真阅读课文,试试做下面的题目吧！1. 目前;现在_ / _ 2. 越来越污染_ 2. 到2100年_/ 4. 坐航天飞机_5. 建设一个更好的世界_ 6. 首先 7. 漂浮在空中 8. 以一半的光速旅行_9. 一大批观光者_ 10.与相连接_ 11.乘宇宙飞船_ 12.居住在火星上_C.预习P8P9，根据课文内容填空。 The earth is becoming m
2、ore and more c_ and p_, so we can build a better world on M_. Food will be in the form of p _ on Mars and meals will not be as t_ as they are today. Plants on Mars will produce the food and o_ that we need. People will have more space. We may even live in a d_ with ten bedrooms. Students can study,
3、do their homework and take exams at o_ schools. At present, our s_ are too slow to carry l_ numbers of people to Mars - it takes m_. The space shuttles travel fast, but the journey to Mars may be very u_.【展示交流】1. 组内互查预习情况，纠错、朗读。2. 小组合作，分段朗读课文并完成相应任务。3. 小组合作，讨论：What are the differences between life o
4、n Earth and life on Mars?4. 小组合作，讨论What do people need to live on Mars?5. 小组合作，完成反馈矫正练习。【盘点收获】1. At present, our spacecraft are too slow to carry large numbers of people to Marsit takes months. a large number of意为“大量的，许多”，number前可用large修饰，of后接复数名词，亦可写成large numbers of, 所构成的短语作主语时，谓语动词常用复数形式，因该短语中的名词
5、是中心词。例如: A large number of young trees were planted on the hills around our village last year. 2. The gravity on Mars is only about three-eighths of the gravity on Earth.表示分数时，分子要用基数词，分母用序数词。如果分子大于1，分母必须用复数形式： 13a（one）third 23two thirds 14a（one）quarter（或fourth） 37three sevenths 3. I am wondering if/
6、whether there will be many people willing to move to Mars.be willing to do 愿意做某事，乐意做某事。比如：He cherishes friendship and is willing to do anything for his friends.他珍视友谊，为朋友他什么事情都肯做【反馈矫正】用用括号内所给词的适当形式填空。1. There is less air _ (pollute) in town that in the town.2. Look at the newest T-shirt. Its made of
7、cotton. I think it will become _ (fashion) this summer.3. Its _( high) possible that people can live on Mars in the future.4. Grandma is too old _ (settle) on another planet.5. The helmet is made of metal. Its too heavy. When I wear it, I feel _ (comfort).6. The food my mother cooks is as _ (taste)
8、as that in the restaurant.7. Here are many kinds of moon cakes for you (choose) from.8. _ (compare) with what he had already, the new stamps were not very interesting.9. _ (hope), doctors have found a new way to operate on the patients.10. We should keep water from _ (be) polluted.【迁移创新】翻译下列句子。1. 三分
9、之一的学生对学英语感兴趣。_ of the students _ interested in _ English. 2.地球的三分之二被水覆盖。_ _ of the earth _ _ _ water.3. 我们不能想象到2105年生活会是什么样子。 We cant _ _ life _ _ like _ the year 2105. 4. 许多动物濒临灭绝。大熊猫的数量不超过1000。_ _ _ animals _ in danger. And _ _ _ giant pandas _ less than 1000.5. 我们小心地把第一个报告和第二个进行了对比。 We carefully _ the first report _ the second.6. 江苏比上海人口多。 The _ of Jiangsu _ _ than that of Shanghai.
