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1、1PeriodPeriod ThreeThree TaskTaskPartPart LanguageLanguage FocusFocus.单词自测1distance n距离；远处 distant adj.远的，远离的2thunder n雷，雷声3lightning n闪电4triangle n三角形；三角形物体5wave n波浪；vi. 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 differen
2、t 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.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 indee
3、d.Color blindness in human beings is a strange thing to explain.In a single eye there are millions of very small things called “cones(圆锥细胞)” These help us to see in a bright light and to tell difference between colors.There are also millions of “rods(杆状细胞)” ，but these are used for seeing when it is
4、near dark.They show us shapes but no colors.Some insects have favorite colors.Mosquitoes(蚊子) prefer blue to yellow.A red light will not attract insects，but 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
5、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 colors around us.11The passage is mainly about .Acolor and its surprising effectsBwomen being luckier than menCdanger caused by color blindnessDcolor blindness答案 D解析 主旨大
6、意题。本文主要讲述的是“色盲” ，介绍了色盲形成的原因，并说明了昆虫对颜色的偏好。故 D 项正确。12According to the passage，with the help of the “cones” ，we can .Atell different shapesBsee in a weak lightCkill mosquitoes17Dtell orange from yellow答案 D解析 细节理解题。根据第三段中的第二、三两句“In a single eye there are millions of very small things called cones These
7、help us to see in a bright light and to tell difference between colors.”可知，cones 可帮助我们辨别颜色。故 D 项正确。13Why do some people say it is safer to be driven by women?AWomen are more careful.BThere are fewer colorblind women.CWomen are fonder of driving than men.DWomen are weaker but quicker in thinking.答案 B
8、解析 细节理解题。根据第一段“About ten men in every hundred suffer from color blindness in 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！”可知，女性色盲的人数比男性少。故 B 项正确。14Which of the statements about the colorblind is TRUE?ANot
9、all of them have the same problem in recognizing color.BNone of them can see deep red.CNone of them can tell the difference between blue and green.DAll of them see everything in shades of green.答案 A解析 推理判断题。根据第二段内容可知，色盲分为很多不同的种类，并不是每个人都有同样的色盲问题，故 A 项正确。.任务型阅读Good health is the most valuable thing a
10、person can have but one cannot take good health for granted.It is important to remember that the body needs proper care in order to be healthy.There are three things that a person can do to help stay healthy，eating right food，getting enough sleep，and exercising regularly.Proper nutrition(营养) is impo
11、rtant for good health.Your body cannot work well unless it receives the proper kind of “fuel” Dont eat too much food with lots of sugar and fat.Eat plenty of foods high in protein(蛋白质)，like meat，fish，eggs and nuts.Vegetables and fruits are very important because they provide necessary vitamins and m
12、inerals.However，dont overeat.It is not helpful to be overweight.18Getting the proper amount of sleep is also important.If you dont get enough sleep，you will feel tired and easily get angry.You have no energy.Over a long period of time a little amount of sleep may even result in a change of personali
13、ty(人的个性)Be sure to allow yourself seven to nine hours of sleep each day.If you do，your body will feel strong and refreshed，and your mind will be sharp.Finally，get plenty of exercise.Exercise makes the body stronger，strengthens the muscles(肌肉)，and prevents you from gaining weight.It also improves you
14、r heart and lungs.If you follow a regular exercise program，you will probably increase your lifespan(寿命)Any kind of exercise is good.Most sports are good for keeping the body in good shape：basketball，swimming，bicycling，running and so on.Sports are not only good for your body，but they are enjoyable an
15、d interesting，too.15.15.TitleTitle：HowHow toto KeepKeep HealthyHealthyThemeGood health is the most valuable thing but the body needs 16.looking after properly.Eat right foodTake in proper nutrition.18.Avoid eating too much food with lots of sugar and fat.Eat plenty of foods high in protein.Eat veget
16、ables and fruits 19.containing/providing necessary vitamins and minerals.Get enough sleepEnough sleep makes you feel 20.energetic and calm.Lack of sleep 21.causes a change of personality.17.Tips/Suggestions/AdviceGet plentyof exerciseExercise can：make the body stronger；strengthen the muscles；prevent you from gaining weight；improve your lifespan and increase your heart and lungs；keep the body 22.healthy.1923
