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1、山东省昌邑市2017高考英语一轮阅读理解新编二阅读理解。阅读下列短文, 从给的四个选项 (A、B、C和D) 中, 选出最佳选项。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 materia
2、ls to mix quickly or to dissolve(使分解，使溶解) in liquids. Paint manufacturers(制造商) 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(轻量的) type of w
3、ashing 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 dishw
4、asher 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 pounding action. In the dairy industry t
5、his 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
6、 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 pounding them to pieces. 1. Why does a paint manufactur
7、er 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 wa
8、ves can clean the paint.2. What properties 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.3. What exists in the raw milk?A. Little drops of butter fat. B. Small holes.C. Fat droplets and
9、germs. D. Chemicals.4. 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.1. B 事实细节题。根据其上句 This causes materials to mix quickly or to dissolve(使分解，使溶解) in liquids 可知，答案选 B。2. D 事实细节题。根据文章最后一段的第 1 句
10、Ultrasonic waves can shake a liquid so fast that tiny holes form all through it可知，答案选 D。3. C 事实细节题。根据文章最后一段的内容，特别是最后一句 When the ultrasonic method is used, the sound waves not only break up the droplets but also kill the germs in the milk by pounding them to pieces 可知，答案选 C4. B 推理判断题。根据文章第 1 段最后提到的 P
11、aint manufacturers(制造商)以及The companies that make film 两句排除选项 A、C，根据第 3 段第 5 句的 In the dairy industry this is used for 排除选项 D，从而得出答案是 B。【2014高考训练】Fruit powered digital clockFruits not only good to eat, but it can also power this Fruit digital Clock. This clock uses the scientific principles on which
12、modern electrical storage batteries are based. The acid from the fruit helps transmit an electrical flow between two metal poles. The clock is priced at US $ 15. Connecting any fresh fruit or vegetable to the clock will make it work. The fruit is a clean, renewable source of electrical power. USB va
13、cuum Do you know the dirtiest parts of your desk are probably your keyboard and mouse? Get a USB Mini Vacuum with retractable(可伸缩的) cable and suck away all that junk. The US- made product is priced at US $14. SIM card reader Making useful USB 2.0 multi-card readers even handier, this card can also r
14、ead and write data to phone SIM cards. It comes with SIM editing software. Download your phonebook to your computer. If you lose your cell phone, you can store missing phone numbers in your new one. The US-made IMOMO SIM card + Multi Card Reader is priced at US $ 19 (152yuan). Beer in your ear The b
15、eer barrel(桶)-shaped Naf Naf Hyp MP3 is a musical box thats capable of playing radio, CDs and cassettes. Its got all the standard features of the typical clock-radio, but with the relaxing look of a big beer barrel. The Danish product is priced at about US $ 130 (1,040yuan)41If you have 115 yuan, wh
16、ich product can you buy according to the passage?AFruit powered digital clockBUSB vacuumCSIM card readerDNaf Naf Hyp MP342Which of the following statements is True?AFruit and vegetables cannot be used as batteries to make a clock work.BUSB vacuum can be used to clean your house and yard.CWith SIM card reader you wont lose phone numbers.DNaf Naf Hyp MP
