江苏省徐州市睢宁县新世纪中学九年级英语下册 Unit 1 Life on Mars Reading II教案 牛津版.doc

life on marsreading iiteaching aims:to learn words, expressions and sentences in reading.step 1 reviewreview the article and finish activity 3.step 2 language points1. our own planet, the earth, is becoming more and more crowded and polluted because of the rapid increase in population. 我们自己的星球, 地球, 由于人口的快速增长, 变得越来越拥挤, 污染越来越严重。 辨析：fast, quick和rapid 【梳理】1) fast既可用作形容词又可用作副词, 主要表示人或物体本身的速度快, 如汽车开得快、人走得快、时间过得快等。2) quick常用作形容词, 主要表示反应快、动作敏捷。3) rapid是正式用语, 只用作形容词, 语气较强, 常用于表示抽象意义的“快速的”, 如价格涨得快、社会变革快等。【运用】选用fast, quick或rapid填空。1) my brother ate a _ breakfast and went to school in a hurry.2) tom runs so _ that i cant catch up with him.3) we saw the _ development of the society these years.2. it is hoped that people could start all over again and build a better world on mars.人们有望能够在火星上重新开始，建设一个更好的世界。句型 it is hoped that表示“可以指望”，指说话者希望如此。如：我们希望在本周前完成此项目。_ we can finish the project before this weekend.3. at present, our spacecraft are too slow to carry large numbers of passengers to marsit would take months.目前，我们的宇宙飞船太慢了，无法运送大批的乘客火星因为要花几个月的时间。句中的large numbers of表示“大量的”，也可以说成 a large number of 。如: 很多人在国庆假日去旅游。 _ people go travelling during the national day holiday. 4. with the development of technology, by the year 2100, the journey might only take about 20 minutes in spacecraft that travel at the speed of light.随着科技的发展，到2100 年，乘坐以光速飞行的宇宙飞船，行程或许只要大约20分钟！短语 at a/the speed of的意思是“以的速度”。如：小汽车正以每小时100公里的速度行驶。 the car is moving _100 kilometers per hour.5. food would most probably be in the form of pills and would not be so tasty.食物很大可能会以药片的形式存在，而且味道没有那么可口。句中的in the form of 的意思是 “以的形式”。如: 欢迎以钱的形式资助。help _money will be welcome. 6. the gravity on mars is only about three-eights of that on the earth.火星上的重力大约只有地球上的八分之三。在表示分数时, 分子用基数词, 分母用序数词。分子如果大于1, 分母须用复数形式。分子、分母之间有无连字符均可。如: 1/3 2/5在做比较时，我们常用that/those指代句中类者相同的那一部分。通常that用于指代可数名词数或者不可数名词，those用于指代可数名词复数。此句中的that指代前面的gravity。如：火星上的空气要比起球上稀薄很多。 the air on mars is much thinner than _ on the earth.7. compared with life on earth, life on mars would be better in some ways. 与在地球上的生活相比, 火星上的生活在有些方面将会更好。compare with 意思是“ 与做比较”。在句中是过去分词短语作状语, 此时with和to可通用。 如: 与我们的那条路相比,这条路繁忙得多 。 this road is quite busy_ ours. 8.every student would have a computer at home connected to interplanetary network. 每个学生家里都有一台电脑与星际网络连接。connect to 意思是“与连接”。这里的connected to 是过去分词后置作定语,修饰computer。connect to表示“把 和连接起来 ”。 如: 山姆想把鼠标和电脑连接起来。 sam wants to _.9. life on mars would be interesting as well as challenging.火星上的生活不仅有挑战性而且很有趣。短语as well as 的意思是“不但而且，既又”。注意这一短语在翻译成中文时，应先as well as 后面的内容，再翻译前面的。如: they visited the museum as well as the zoo. 他们不但参观了动物园, 还参观了博物馆。 step 3 summaryreview the ar