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 cones in our eyes, we can see many beautiful colors by day, and with the aid of rods we can see shapes at night. One day we may even learn more about the invisible colors around us.

12. 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 and how our eyes tell different colors and shapes

13. According to the passage, with the help of the "cones", we can ＿＿

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

C. tell different colors D. kill mosquitoes

14. Why do some people say it's 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.

15. 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.[来源:学&科&网]

第二节 共5小题,每小题2分,满分10分

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项，选项中有两项为多余选项。

Everyone knows that fish is good for health. 16 But it seems that many people don't cook fish at home. Americans eat only about fifteen pounds of fish per person per year, but we eat twice as much fish in restaurants as at home. Buying, storing, and cooking fish isn't difficult. 17 This text is about how to buy and cook fish in an easy