仁爱版九年级上册英语课件：Unit 4 Topic 2 Section C.ppt

1、九（上）九（上）Unit 4 Amazing Science Topic 2 Im excited about the things that will be discovered in the future Section C 制作学校：大武二中制作学校：大武二中 修订人：刘晓景修订人：刘晓景 学习目标 1.学习第93-94页的新单词和短语 2.熟读1 a的内容，了解 火星、太阳系行星的知识，培养学 生热爱科学，勇于探索的意识。 3.逐步养成在听文章前阅读相关问题来预测文章所谈内容的 习惯。 自学指导（一） 1.自学内容：课本93-94的生词和短语 2.自学方法：先根据音标试读，同桌互相正音

2、。 3.自学时间：5分钟 4.自学要求：会读，知道其汉语意思。 自学检测（一） 英译汉： 1.solar system_ 2.Roman_ 3.god_4.diameter_ 5.storm _ 6.gravity_7.weigh_ 8.generally_ 9.journey_ 10.limit_ 11.excitement_ 太阳系太阳系 古罗马的，古罗马帝国的古罗马的，古罗马帝国的 上帝；神上帝；神 直径直径 风暴，暴（风）雨风暴，暴（风）雨 重力；引力重力；引力 重，有重，有重重 一般地，通常一般地，通常 （尤指长途）旅（尤指长途）旅 行行 .v.限制，限定限制，限定n.限度，限制限度

3、，限制 激动；令人激动的事激动；令人激动的事 自学指导（二） 1.自学内容：课本第93页1a部分 。 2.自学方法：听录音和扫读。 3.自学时间：8分钟。 4.自学要求：听1a之前，预测 1a中问题的正误。听1a， 核对答案。读1a 完成1b 自学检测 （二）Look at the pictures and predict which statements are true about Mars. Then read the passage quickly and check the answers. _ 1. Mars looks like a red ball. _ 2. The temp

4、erature on Mars is very high. _ 3. Mars is much larger than the earth. _ 4. Mars is too far away for us to reach. T F F F 做1b Read 1a again and write down the information about Mars. Diameter Color Shape Climate Gravity Distance from the sun 53% as wide as that of the earth red and orange a ball dur

5、ing spring and summer: strong storms temperature: between- 138and 28 about two-fifths as strong as it is on earth about 228 million kilometers 自学指导（三） 1.自学内容：课本第93页1a部分 。 2.自学方法：精读。 3.自学时间：8分钟。 4.自学要求：精读1a，找出重点短语和句子。 自学检测（三） 译下列短语和句子并记忆。 1.look like_2. name after_ 3. as wide as_4.be covered with_ 5.

6、 at a distance of_ 6.be close to_ 7.search for_ 8.Mars is too far away for us to reach._ _ 9.The gravity on the surface of Mars is about two-fifths as strong as it is on earth._ _. 看起来像看起来像 以以. 命名命名 像像.一样宽一样宽 被被.覆盖覆盖 相隔相隔 离离.近近 搜索搜索 火星距离我们太远，以至于我们不能到达。火星距离我们太远，以至于我们不能到达。 火星表面的引力是地球表明引力的五分之二。火星表面的引力是

7、地球表明引力的五分之二。 Mars, the _ planet of the solar system, goes around the sun at a _ of about 228 million kilometers. Its _ is 53% as wide as that of the earth. It looks like a _ and _ball. Its very beautiful. But during _ and _, strong _can cover the whole_of Mars. The gravity on the surface of it is ab

8、out _ as_as it is on earth. fourth distance red orange spring summer storms surface two-fifths strong diameter 根据课文内容填空。根据课文内容填空。 做1c Discuss the crazy questions with your partner and state your reasons. 1. Does Mars have a good climate for plants? 2. Is Mars a useful place to dry fruit? 3. Is Mars

9、a good place for human beings to live? 4. Is Mars a comfortable place for heavy people? 要点讲解： 1.name.after 其被动形式是 eg.这个婴儿的名字是以李小龙的名字取的。 2 at a distance of .相隔 at a distance in the distance eg.1.警察远远地跟着他。_. 2.那边远处是长岛。 _. 以以.的名字给的名字给.取名取名 be named after The baby was named after Bruce Lee. 在远处在远处 在远处在远

10、处 The police followed him at a distance That is Long Island in the distance over there. 要点讲解： 3. (1)Its diameter is 53% as wide as that of the earth.它的直径是地球直径的53%。 ( 2). The gravity on the surface of Mars is about two-fifths as strong as it is on earth.火星表面 的引力大约是地球引力的五分之二。 倍数(分数/百分数)+ as +adj.+as 的

11、几倍/几分之几 /百分之几 eg. 1. 这条绳子的长度 是那条绳子的两倍。 _. 2.这个城市的人口是那个城市的一半。 _. This rope is twice as long as that one. The population of this city is one-second/ half as large as that of that city. 自学指导（四） 1.自学内容：课本第94页Part 2部分 。 2.自学方法：精读。 3.自学时间：4分钟。 4.自学要求：精读 Part 2，完成这封信并回答问题。 Hi Kangkang, It has been two days

12、_( since ,from) we landed on Mars. It _(cost, took) us more than two years to_ (reach, get) here. Generally, the journey went well, but the living conditions were_( quiet, quite) bad during the journey. We had to produce most of the food in the spaceship. _(Whats more, Whats worse), our water suppli

13、es were very low. We had to limit the use of water during _(those, these) days. So we had a shower every six weeks. We will spend another seven hundred and sixty-three days on Mars. _( How, What )a long time! I often miss the family, but the excitement of being on Mars is worth it! Wish me luck! You

14、rs, Uncle Stephen since took get quite Whats worse those What 自学检测4 一. 选择正确的词完成这封信。 二.Read 2 and answer the questions. (1) Who is this e-mail from and to? It is from Uncle Stephen to Kangkang. (2) How long did it take them to get there? More than two years. (3) Did everything go well during the jour

15、ney? No, it didnt. Dear Uncle, Im very glad to receive your e-mail, and I know that the living conditions were quite bad during your journey. I am interested in the information about Mars. Can you tell me more about it ? How about the weather on Mars? Is it very cold? What kind of transportation do

16、you use there? I am looking forward to your e-mail! Good luck! Yours, Kangkang You can write it like this : 当堂训练： 将下列句子变成被动语态： 1.The writer will write a new novel next year. 2.People plant trees in Spring every year. 3.M.r Liu will give a speech at the hall this afternoon. A new novel will be written by the writer next year. Trees are planted in Spring every year. A speech will be given by M.r Liu at the hall this afternoon.