安徽省怀庆中学2017高三第二次摸底考试试题

概要：阅读理解(共20小题；每小题2分，满分40分)阅读下列短文，从每题所给的四个选项(A、B、C、D)中，选出最佳选项AToday, ultrasonic(超声的) waves are being put to work in laboratories and factories. If an ultrasound generator is placed in a liquid, the waves move the liquid back and forth hundreds of thousands of times each second. This causes materials to mix quickly or to dissolve(使分解，使溶解) in liquids. Paint manufacturers use ultrasound to do a better job of blending colors. The companies that make film for your camera find that mixing chemic

安徽省怀庆中学2017高三第二次摸底考试试题,标签：高三英语教学设计模板,http://www.88haoxue.com
阅读理解(共20小题；每小题2分，满分40分) 阅读下列短文，从每题所给的四个选项(A、B、C、D)中，选出最佳选项 A Today, ultrasonic(超声的) waves are being put to work in laboratories and factories. If an ultrasound generator is placed in a liquid, the waves move the liquid back and forth hundreds of thousands of times each second. This causes materials to mix quickly or to dissolve(使分解，使溶解) in liquids. Paint manufacturers use ultrasound to do a better job of blending colors. The companies that make film for your camera find that mixing chemicals by the use of sound waves will produce a more sensitive film. The new lightweight type of washing machine uses ultrasonic waves to get clothes clean. Its special ultrasound generator is put into a pail of soapy water containing the soiled clothes. The sound waves drive the soapy water back and forth through the cloth so fast that everything is soon clean. There is also a new kind of dishwasher that works in much the same way. Ultrasonic waves can shake a liquid so fast that tiny holes form all through it. The liquid is actually torn apart by this action. Almost as soon as these holes are made, they fall together again. The result is a powerful breaking action. In the dairy industry this is used for the double purpose of making homogenized(使均匀，使匀质) milk and sterilizing(使无菌) it at the same time. If you look at some raw milk with a microscope, you find that it is made up of little drops of butter fat floating around in a watery liquid. In order to make milk easier to digest, these fat droplets(微粒) may be broken up by forcing the milk through very small openings. The result is called homogenized milk. When the ultrasonic method is used, the sound waves not only break up the droplets but also kill the germs in the milk by breaking them to pieces. 56. Why does a paint manufacturer use ultrasound to do a better job of blending colors? A. Because it is cheap to use ultrasound to blend colors. B. Because the waves move the liquid so quickly that it can make materials mix quickly or dissolve in liquids. C. Because they can mix chemicals by the use of sound waves. D. Because the waves can clean the paint. 57 What properties（属性）does ultrasound wave have? A. Homogenizes and sterilizes the milk.   B. Mix materials and break droplets. C. Kill germs and sterilize milk.          D. Move liquids quickly. 58 What exists in the raw milk? A. Little drops of butter fat.       B. Small holes. C. Fat droplets and germs.        D. Chemicals. 59 Where is ultrasound wave not used? A. In the paint manufacture.                 B. In the shop mixing bread flour. C. In the film-making company.        D. In the dairy industry. B A punctual person is in the habit of doing a thing at the proper time and is never late in keeping an appointment. The unpunctual man, on the other hand, never does what he has to do at the proper time. He is always in a hurry and in the end loses both time and his good name. A lost thing may be found again, but lost time can never be regained. Time is more valuable than material things. In fact, time is life itself. The unpunctual man is for ever wasting and mismanaging his most valuable asset as well as others’. The unpunctual person is always complaining that he finds no time to answer letters, or return calls or keep appointments promptly. But the man who really has a great deal to do is very careful of his time and seldom complains of want of it. He knows that he can not get through huge amount of work unless he faithfully keeps every piece of work when it has to be attended to.

www.88haoxue.com Failure to be punctual in keeping one’s appointments is a sign of disrespect towards others. If a person is invited to dinner and arrives later than the appointed time, he keeps all the other guests waiting for him. Usually this will be regarded as a great disrespect to the host and all other guests present. Unpunctuality, moreover, is very harmful when it comes to doing one’s duty, whether public or private. Imagine how it would be if those who are put in charge of important tasks failed to be at their proper place at the appointed time. A man who is known to be habitually unpunctual is never trusted by his friends or fellow men.  60 What is an unpunctual person like? A. He always does a thing when it should be done.       B. He is always very busy. C. He always does a thing at the wrong time.        D. He always keeps the appointments. 61 Why is unpunctuality very harmful? A. Because it makes a man lose many chances of doing important affairs. B. Because it makes a man lose friends C. Because it makes a man work quickly. D. Because it makes a man be more respected by others. 62 According to the passage, which is right? A. The punctual person has no much work to do. B. The unpunctual person is very rich. . C The unpunctual person is often respected by his friends. D. The unpunctual person loses what can’t be regained again. 63 According to the passage, what are good manners when you are invited to a party? A. Arriving at the appointed time.    B. Arriving before all other guests. C. Arriving after all other guests.     D. Keeping all other guests waiting. 64 Why is a person always unpunctual? A. He is too busy.                B. He has too much work to do. C. He does care much about time.   D. He doesn’t manage his time properly. C

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