2019-2020学年新素养导学英语译林版必修2学案:Unit 1 Period One
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1、There are many people who often discuss whether aliens(外星人) are real or not.There are also some different stories about aliens.Do aliens really exist in space?When you think of aliens, what comes to your mind?Whatever pictures we have of aliens in our mind is due to the influence from newspapers,the
2、 Internet and the TV.There could be life forms as tiny(极小的) as some micro-organisms or as large as giant dinosaurs.Scientists argue that the universe is far too huge and it is very unlikely that only our planet can support life.There must be other planets which support life but are unknown to us.One
3、 of the organizations working on outer space life is SETI. Astrophysicist(天体物理学家) Carl Sagan believes the presence of life outside the Earth.Frank Drake, founder of SETI,is another scientist who has devoted his life to providing the presence of life outside the Earth.Many other research projects hav
4、e been and are still being carried out to collect evidence of life outside the Earth.In fact,Bruno DArgenio and Giuseppe Geraci have found evidence of life in 4.5 billion-year-old meteorites(陨石).Just as there are people who support the existence of life outside the Earth,there are others who think o
5、f it as a far-fetched idea.They argue,if there is life outside the Earth,why have we not been able to get any hard evidence till today?根据上文判断正(T)误(F )1.The scientists are sure that there are some aliens outside the Earth.(F)2.People have different opinions on whether there is life outside the Earth.
6、(T)Period One Welcome to the unit that Justin was taken by aliens 为同位语从句,进一步解释 possibility;who has taken charge of the case 为定语从句,修饰 Detective Sam Peterson。自主翻译 当被问及贾斯廷被外星人劫持的可能性时,负责调查此案的萨姆彼得森侦探告诉记者:“人们有时候编出这类奇异的故事”.阅读理解A(2019贵州思南中学高一上期中)About ten men in every hundred suffer from color blindness in
7、some way.Women are luckier; only about one in two hundred is affected in this matter.Perhaps,after all,it is safer to be driven by a woman!There are different forms of color blindness.In some cases a man may not be able to see deep red.He may think that red,orange and yellow are all shadows of green
8、.Sometimes a person cannot tell the difference between blue and green.In rare cases an unlucky man may see everything in shades of greena strange world indeed.Color blindness in human beings is a strange thing to explain.In a single eye there are millions of very small things called “cones”.These he
9、lp us to see in a bright light and to tell the difference between colors.There are also millions of “rods”,but these are used for seeing when it is near dark.They show us shape but no color.Some insects have favorite colors.Mosquitoes(蚊子) prefer blue to yellow.A red light will not attract insects,bu
10、t a blue lamp will.In a similar way human beings also have favorite colors.Yet we are lucky.With the aid of the cones in our eyes we can see many beautiful colors by day,and with the aid of the rods we can see shapes at night.One day we may even learn more about the invisible(看不见的) colors around us.
11、语篇解读 本文介绍的是有关色盲的话题,包括色盲的不同种类和色盲形成的原因,并说明了昆虫对颜色的偏好。1.The passage is mainly about .A.color and its surprising effectsB.women being luckier than menC.danger caused by color blindnessD.color blindness答案 D解析 主旨大意题。通读全文可知,本文主要讲述的是有关色盲的话题,包括色盲的不同种类及形成原因。故选 D。2.According to the passage,with the help of the
12、“cones” ,we can .A.tell different shapesB.see in a weak lightC.kill mosquitoesD.tell orange from yellow答案 D解析 细节理解题。根据第三段中的“In a single eye there are millions of very small things called cones.These help us to see in a bright light and to tell the difference between colors.”可知,视锥细胞帮助我们辨别颜色,D 项属于颜色辨别
13、。故选 D。3.Why do some people say it is safer to be driven by women?A.Women are more careful.B.There are fewer color-blind women.C.Women are fonder of driving than men.D.Women are weaker but quicker in thinking.答案 B解析 细节理解题。根据第一段中的内容可知,患有色盲的女性比男性少,故选 B。4.We can attract and kill mosquitoes by using a .A
14、.red light. B.yellow lightC.blue light D.green light答案 C解析 推理判断题。根据最后一段中的“Mosquitoes(蚊子) prefer blue to yellow.”可知蚊子喜欢蓝色的光线,我们可以利用蓝色的光线来吸引蚊子并杀死它们。故选 C。BNot long ago,an airplane was flying over New Zealand.There was a television camera crew on board.Suddenly,out in the night sky,a bright sphere(球体) c
15、ame into view.Everyone on board saw it and everyone thought, “UFO”Unidentified Flying Object.The camera crew went into action and started filming.That week people all over the world saw the film of the mysterious light on their television screens.What was it? Was it a spaceship full of visitors from
16、 another planet? The captain of the airplane and the film crew believed it was.Other observers had many different explanations.Some said it was Venus(金星).Others said it was just a trick(幻影) of light.An air traffic controller also saw it on his radar screen.He thought that a flock(一群) of birds was ca
17、using dots on his radar screen when the “UFO” appeared.Most astronomers now believe that what these people saw was almost certainly the planet Venus.At that time of year it was very bright and easy to be seen.And from a moving airplane it can appear to be moving fast.So far there is no proof that UF
18、Os or spaceships from other planets do exist.These years investigators of UFOs have investigated thousands of sightings or occasions when people said they saw a UFO.Ninety percent of these turned out to have a simple explanation.However,it is a good idea to keep an open mind.Scientists in some count
19、ries are trying to persuade their governments to help them study UFOs.And they are planning to cooperate internationally on reporting and investigating sightings of UFOs.After all,it is quite possible that there is life out there in the universe.And if something is alive,it is quite possible that it
20、 will come to visit us.语篇解读 一组电视摄影人员在空中看到了一个“UFO” ,并对此物进行了拍摄,由此引发了大家对此物到底是什么的讨论,专家们各抒己见。5.From the first paragraph,we can know that .A.a television camera crew and some astronomers were on board the airplane when the “UFO” appearedB.they saw the “UFO” in the daytimeC.the “UFO” is bright at nightD.th
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