北师大版必修三Unit 9 Wheels高考一轮复习检测卷(含答案)
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1、Unit 9 Wheels 高考一轮复习检测卷高考一轮复习检测卷 时间:100 分钟 满分:120 分 选择题部分 第二部分第二部分 阅读理解阅读理解(共两节,满分共两节,满分 40 分分) 第一节(共 10 小题;每小题 3 分,满分 30 分) 阅读下列短文,从每题所给的 A、B、C 和 D 四个选项中,选出 最佳选项。 A The color red often means dangerand by paying attention, accidents can be prevented. At railroad crossings, flashing red lights warn c
2、ars to stay back. A red light at a traffic crossing tells cars to stop, so they dont run into other cars. In the future, the color red also may help prevent danger at construction sites. Thanks to new work by engineers, bridge supportsor other kinds of materialscould one day contain a color- changin
3、g material. It will turn red before a structure collapsesW1 or falls apart. The secret behind the color- changing material is a particular type of moleculeW2. Molecules come in all shapes and sizes, and make upP1 everything you can see, touch or feel. How a molecule behaves depends onP2 what kinds o
4、f atomsW3 it contains, and how theyre held together. To get a rough picture of one way atoms are held together in a molecule, imagine you and your friends standing in a large circle, holding hands. Each person represents one atom, your clasped hands represent the bond, and the entire circle represen
5、ts a molecule. The molecule being used to turn the material red is called mechanophoreW4. When one chemical bond in the mechanophore molecule breaks, the rest of the molecule turns red. There is a way to get rid ofP3 the red color: light. When a bright light is shone on the mechanophore, the broken
6、bond is fixed and the red color disappears. This “selfhealing” may be a problem for engineers who want to use the color- changer in big construction projects that will be outside, in the sunlight. And if bright light keeps the red color from appearing, then the mechanophores warning system will be u
7、seless. Scientists still have a lot of work to do before the color- changing molecules can be used outside the lab.S If mechanophore can be used in the real world, they are suggested to be employed in a new kind of paint. 1. The first paragraph mainly tells us _. A. the color red is widely used in o
8、ur life B. how to prevent car accidents C. the color is an important signal of warning D. how to use color red 2. The color red will be used at construction sites to _. A. tell different materials used in the building B. warn people that the building is dangerous C. make the building more beautiful
9、D. tell people the building is under construction 3. The example given in the fourth paragraph is to show _. A. the way atoms are held together in a molecule B. how a molecule behaves in an object C. how to play an old game D. how people get along with each other 4. What can make the mechanophores w
10、arning system ineffective? A. Paints. B. Water. C. Poor building materials. D. The bright light. B “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 glass ball is round. Bu
11、t 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 ca
12、n 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 “Dont touch!” means. They hear it often. Yet most of us
13、 keep on touching things as we grow up. In shops, we touch things we might buy, such as food, clothes and so on. 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 bad floor. All feel different under you
14、r 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 m
15、useums are just for looking. But today some museums have some things to touch. Their signs say, “Do touch! There you can feel every thing on show. If you want to see better, reach out and touch. Then youll really see!” 5. Which of the following can be the best title of the story? A. Touching by Feel
16、ing B. To See or to Feel C. To See BetterFeel D. Ways of Feeling 6. When people buy things in shops, they often _. A. try them on first B. put their right hand on them C. just has a look D. feel and touch them 7. Why does it say, “At first, it is not easy to feel these things?” A. The things are use
17、d by people, too. B. People are used to the things. C. People know how to use the things. D. The things are easy to feel. C Its a warm summer afternoon. Youre cooking up the catch of the day over a campfireW1 . Suddenly, a few raindrops fall on your arms, and before you know it, the sky is opened up
18、. Then you hear what sounds like thunder in the distanceP1. What should you do? Your tent is close by and would offer shelter from the pouring rain. Theres a campsite picnic shelter a few minutes down the path. And then you remember that your car is parked down the road. Whats your safest choice to
19、make sureP2 you and your families are safe? Its a common question for many hikers and campers, especially when theyre camping during summer months. Heading to your car is almost always the safest choice. Your tent and a picnic shelter will keep you dry, but they offer little or no protectionW2 again
20、st lightningW3. Your car, on the other hand, will keep you dry and protect you fromP3 lightning strikes. Protecting yourself against possible lightning strikes is very important; lightning kills an average of 62 people in the US each year. If you keep all of the windows and doors closed in your car,
21、 youll be able to return to your campsite safely.S Of course, if youre backpackingW4, not car camping, and youre deep in the woods, your car wont be a good choice. So, what should you do if your car is far away and theres no other safe shelter nearby? First, youll have to make sure that tree limbs o
22、r other objects dont fall on you or your campsite. Then youll have to get in a safe position to avoid lightning, or flash flood conditions. What else should you do? 8. To avoid lightning in a storm, youd better _. A. go into your tent quickly B. cook up the catch of the day over a campfire C. run in
23、to a campsite picnic shelter at once D. get into your car and return to your campsite 9. From the last paragraph we can infer _. A. people should not go camping alone B. people should never camp deep in the woods C. backpacking is not a good choice for campers D. when camping learning to protect one
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