《2022年高中英语Unit7TheSea单元检测北师大版必修》由会员分享，可在线阅读，更多相关《2022年高中英语Unit7TheSea单元检测北师大版必修（15页珍藏版）》请在金锄头文库上搜索。
1、2022年高中英语Unit7TheSea单元检测北师大版必修第一部分听力(略)第二部分阅读理解(共两节，满分40分)第一节(共15小题；每小题2分，满分30分)阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。AAbout 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 d
2、riven 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.Sometimes a person cannot tell the difference between blue and green.In rare cases，an unlucky man may see everything in s
3、hades 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(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 thes
4、e are used for seeing when it is 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 c
5、ones 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 colors around us.21The passage is mainly about .Acolor and its surprising effectsBwomen being luckier than menCdanger caused by color bl
6、indnessDcolor blindness答案D解析主旨大意题。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。22According to the passage，with the help of the “cones”，we can .Atell different shapesBsee in a weak lightCkill mosquitoesDtell 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 thi
7、ngs called conesThese 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。23Why 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 quick
8、er in thinking.答案B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。24Which of the statements about the colorblin
9、d is TRUE?ANot 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。BTaste is such a subjective matter t
10、hat we dont usually conduct preference tests for food.The most you can say about anyones preference，is that its one persons opinion.But because the two big cola paniesCocaCola and Pepsi Cola are marketed so aggressively，we have wondered how big a role taste preference actually plays in brand loyalty
11、.We set up a taste test that challenged people who identified themselves as either CocaCola Classic(传统型) or Pepsi fans：find your brand in a blind tasting.We invited staff volunteers who had a strong liking for either CocaCola Classic or Pepsi，Diet(低糖的) Coke，or Diet Pepsi.These were people who though
12、t theyd have no trouble telling their brand from the other brand.We eventually located 19 regular cola drinkers and 27 diet cola drinkers.Then we fed them four unidentified samples of cola one at a time，regular colas for the one group，diet versions for the other.We asked them to tell us whether each
13、 sample was Coke or Pepsi，then we analyzed the records statistically to pare the participants choices with what mere guesswork could have acplished.Getting all four samples right was a tough test，but not too tough，we thought，for people who believed they could recognize their brand.In the end，only 7
14、out of 19 regular cola drinkers correctly identified their brand of choice in all four trials.The dietcola drinkers did a little worseonly 7 of 27 identified all four samples correctly.While both groups did better than chance would predict，nearly half the participants in each group made the wrong ch
15、oice two or more times.Two people got all four samples wrong.Overall，half of the participants did about as well on the last round of tasting as on the first，so tiredness，or taste burnout，was not a factor.Our preference test results suggest that only a few Pepsi participants and Coke fans may really
16、be able to tell their favorite brand by taste and price.25It is implied in the first paragraph that .Athe purpose of taste tests is to promote the sale of colasBthe improvement of quality is the chief concern of the two cola paniesCthe petition between the two colas is very strongDblind tasting is necessary for identifying
