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About ten men in every hundred suffer f...

 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!

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 shades of green - a 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 help us to see in a bright light and to tell 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 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 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.

1.The passage is mainly about _____________.

A. color and its surprising effects.

B. women being luckier than men

C. danger caused by color blindness

D. color blindness

2.According to the passage, with the help of the “cones”, we can_______________.

A. tell different shapes                    B. see in a weak light

C. kill mosquitoes                        D. tell orange from yellow

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.

4.Which of the statements about the color- blind is true?

A. Not all of them have the same problem in recognizing color.

B. None of them can see deep red.

C. None of them can tell the difference between blue and green.

D. All of them see everything in shades of green.

5.We can attract and kill mosquitoes by using a _____________.

A. red light       B. yellow light       C. blue light     D. green light

 

1.D 2.D 3.B 4.A 5.C 【解析】 试题分析:本文说明方,男性中有百分之十的人是色盲,女生的比例较低,从这个角度,所以女生开车比男生更安全,色盲不仅仅人类有,动物也会出现。 1.D 主旨大意。第一段提出男女色盲的问题,第二段There are different forms of color blindness.提出不同颜色的色盲,第三段Color blindness in human beings is a strange thing to explain色盲很难解释,第四段许多昆虫也有这种现象,故选D项。 2.D 细节题。根据第三段These help us to see in a bright light and to tell difference between colors,用来区分颜色 故选 D项。 3.B 细节题。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.,女性色盲率低,故更安全,所以选择B项 4.A细节题。根据第二段In some cases a man may not be able to see deep red和In rare cases an unlucky man may see everything in shades of green - a strange world indeed.在某种情况下,男人可能看不到红色,在极少数可能情况下,这个也可能看不到绿色,所以BCD三个选项过于的肯定或者否定,判断出A项正确。此类题注意not all 和none ,这可能就是解题的关键。 5.C细节题。根据最后一段Mosquitoes prefer blue to yellow.根据语法 Prefer blue to yellow ,更喜欢蓝色。吸引蚊子用蓝色的灯,故选C项。 考点 科普类阅读
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“If you want to see a thing well, reach out and touch it!”

That may seem a strange thing to say. But touching things can help you to see them better.

Your eyes can tell you that a glass ball is round. But by holding it in your hands, you can feel how smooth and cool the ball is. You can feel how heavy the glass is. When you feel all these about the ball, you really see it. With your skin, you can feel better. For example, your fingers can tell the difference between two coins in your pocket. You can feel a little drop of water on the back of your hand, too. You can even feel sounds against your skin. Have you ever wanted to know why some people like very loud music? They must like to feel the sounds of music.

All children soon learn what “Don't touch!”means. They hear it often. Yet most of us keep on touching things as we grow up. In shops, we touch things we might buy: food, clothes. To see something well, we have to touch it. The bottoms of our feet can feel things, too. You know this when you walk on warm sand, cool grass or a hard floor. All feel different under your feet.

There are ways of learning to see well by feeling. One way is to close your eyes and try to feel everything that is touching your skin. Feel the shoes on your feet, the clothes on your body, the air on your skin. At first, it is not easy to feel these things. You are too used to them!

Most museums are just for looking. But today some museums have some things to touch. Their signs say, “Do touch!” There you can feel everything on show.

If you want to see better, reach out and touch. Then you will really see!

1.By touching things,               .

A. you will have a strange feeling

B. you will learn how to reach out your hand

C. you can learn more about them

D. you can tell what colors they really are

2.Which of the following can be the best title of the story?

A. Touching by Feeling                            B. To See or to Feel

C. To See Better—Feel                            D. Ways of Feeling

3.Which of the following parts can tell you the difference between two coins in your pocket?

A. Your fingers.     B. Your eyes.     C. Your skin.       D. Your back.

4.What can't your skin feel according to the passage?

A. Sounds.              B. Darkness.      C. Water.           D. Coins.

5.Which of the following is NOT true?

A. Touching is helping us to see better.

B. Our skips may help us enjoy music.

C. People don't have to learn to feel.  

D. Visitors can't feel the things on show in any museums.

 

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1.According to the passage, the best way for children to learn things is by_____.

A. listening to skilled people’s advice.

B. asking older people many questions

C. making mistakes and having them corrected

D. doing what other people do

2.Which of the following does the writer think teachers should NOT do?.

A. Give children correct answers

B. Allow children to mark mistakes.

C. Point out children’s mistakes to them.

D. Let children mark their own work

3.According to the writer, teachers in school should _____

A. allow children to learn from each other

B. point out children’s mistakes whenever found

C. correct children’s mistakes as soon as possible 

D. give children more book knowledge

4.The passage suggests that learning to speak and learning to ride a bicycle are____

A. different from learning other skills

B. the same as learning skills

C. more important than other skills  

D. not really important skills

5.The title of this passage could probably be_____

A. Let Us Teachers Stop Work

B. Let Us Make Children Learn

C. Let Children Correct Their Exercises

D. Let Children Learn by Themselves

 

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Later someone asked the violinist why he didn’t take the lottery ticket to pay tuition(学费). He said,“Although I don’t have much money ,I live happily .If I lose       , I won’t be happy forever.

1.A. went          B. slowed         C. turned      D .fell

2.A. music         B. money         C. words       D. tickets

3.A. chance        B. hand           C. choice      D. mistake

4.A. asked         B. felt            C. wondered    D. knew

5.A. certainly      B. never          C. always      D. exactly

6.A. get           B. lose            C. want        D. buy

7.A. held          B. kept           C. lost          D. won

8.A .walk          B. fly            C. ride          D. run

9.A. returned       B. reached        C. pointed       D. jumped

10.A. name         B. lottery         C. honesty       D. money

 

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A .bought  B. buying   C . to be bought   D. to buy

 

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