高中英语 unit3 Reading1教案 新人教版必修5

1、江苏省海头高级中学高中英语 unit3 Reading1教案 新人教版必修5. Read the article quickly and answer the following questions.Does the article give an anti-or pro-cloning point of view, or both? _What was the name of the first cloned mammal? _ Is Pauline Carter pro-or anti-cloning? _.Reading & discussion (Read the passage of

2、 Reading and decide the main ideas for each paragraph after discussion). Part1 _Part2 _Part3 _Part4 _Part5 _. Reading strategyReading articles related to science (Go through the reading strategy, and find out how to work out the meaning of these scientific terms). ProbleP ProblemsSolutio SolutionThe

3、 wa The way of reading difficult or unfamiliar wordsBe be prepared to work out (1)_Begin by reading (2)_.2) Scan (3)_ _.a) circle (4)_ _.b) question (5)_.3) Read through (6) _ _ _ _ _ . Fast Reading. ( Read through the passage and find out the main idea. )_.Careful reading1. Understanding scientific

4、 terms (Circle the unfamiliar words or things they do not understand while carefully reading, then translate it into Chinese).1) clone (line 1) _ 2) embryo (line 2)_3) tissue (line 4) _ 4) organ (line 4)_5) cell (line 9) _ 6) egg (line 24)_7) be genetically related to (line 25)_2. Comprehension1）The

5、 passage is mainly about_. A. what cloning is B. the advantage of cloning C. arguments about cloning human embryos D. the disadvantage of cloning2）. We can learn from the two letters_. A. both of the writers are pro-cloning. B. both of the writers are anti-cloning. C. neither of the writers are agai

6、nst cloning. D. both of the writers are not for cloning human embryos3. True or False1）.People all over the world are happy about the idea of cloning human beings.2）.Dolly, the first cloned mammal, is exactly the same as other sheep.3）.According to the article, the scientist who created Dolly does n

7、ot agree with cloning human beings.4）.Cloning can be used to cure diseases because it can produce new tissues and organs.5）.Colin Jake is against cloning humans, just like Pauline Carter.6）.Cloning human beings is illegal in many countries, so no scientists want to clone human beings. 高考链接：1. Scienc

8、e is developing so fast that it is beyond our imagination.（P41）考点 beyond 介词：表示位置，意思是“在的那一边，远于”；表示时间，意思是“迟于”；表示范围、限度，意思是“超出”；用于否定句，意思是“除以外”。考例1 This new model of car is so expensive that it is _ the reach of those with average incomes. (江苏2006)A. over B. within C. beyond D. below点拨 选( )。beyond表示“（范围、

9、程度）超出”。over表示数目、程度“超过，多于”；within“在之内”； below“在以下”。beyond the reach“超出范围”。句意为：这种新型的小汽车太贵了，超出了普通收入家庭的购买能力。 2. While cloning human embryos is illegal in many countries, some scientists are already pushing ahead with research so as to deliver a cloned human baby. (P42) 考点 while 作为连词意思有：当时，在时；却，但是，而；虽然，尽

10、管。 考例1 I do every single bit of housework _ my husband Bob just does the dishes now and then. (2004全国卷III）A. since B. whileC. whenD. as 点拨 选( )。前后句意构成对比。考例2 _ I accept that he is not perfect, I do actually like the person. （2004江苏卷）A. While B. SinceC. BeforeD. Unless点拨 选( )。while 表示让步，句意为：尽管我承认这个人不完

11、美，但我确实很喜欢他。. Consolidation. (Reading comprehension)Unless we spend money to prevent asteroids(小行星)now，one might crash into Earth and destroy life as we know it，some scientists say Asteroids are bigger ones of the meteoroids(流星)that run across the night skyMost orbit the sun far from the earth and do

12、nt threaten usBut there are also thousands of asteroids whose orbits put them on a collision(碰撞)course with Earth Buy $50 million worth of new telescopes right nowThen spend $ lOmillion a year for the next 25years to find the position of most of the space rocksBy the time we pick out a key one，the s

13、cientists say，well have a way to change its course Some scientists favor pushing asteroids off course with nuclear weaponsBut the cost wouldnt be cheap Is it worth it? Two things experts consider when judging any danger are：How likely the event is；How bad the results will be if the event happensExpe

14、rts think an asteroid big enough to destroy lots of 1ives might strike Earth once every 500，000 yearsSounds pretty rarebut if one did fall，it would be the end of theworld“If we dont take care of these big asteroids，theyll take care of us，”says one scientist，“Its that simple” AThey are heavenly bodie

15、s similar in natureBThey are heavenly bodies different in nature CThere are more asteroids than meteoroids DAsteroids are more secret than meteoroids2What do scientists say about the collision of an asteroid with Earth? AIt is very unlikely but the danger exists BSuch a co11ision might happen once e

16、very 25 years. CIts still too early to say whether such a collision might happen DCollisions of asteroids with Earth happen more often than expected3What do people think of the suggestion of using nuclear weapons to change the course of asteroids? AIt sounds practical but may not solve the prob1emBIt may create moreproblems than it might solve CIt is a waste of money because a collision with Earth is very unlikely DFurther research should be done before it proves workable4We can conclude from the passage that A. while pushing asteroids off course nuclear weapons would destroy the worldB. ast