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1、2020年沈阳市高中三年级教学质量监测(四）英 语本试卷分第卷（选择题）和第卷（非选择题）两部分。第卷1至7页,第卷7至9页。满分120分，考试时间100分钟。注意事项：1.答题前，考生务必将自己的姓名、考号填写在答题卡上，并将条形码粘贴在答题卡指定区域。2.第卷每小题选出答案后，用2B铅笔把答题卡上对应题目的答案标号涂黑，如需改动用橡皮擦干净后，再选涂其他答案标号。第卷用黑色墨水签字笔在答题卡指定位置书写作答，在本试题卷上作答无效。3.考试结束后，考生将答题卡交回。第卷第一部分 听力（共两节，满分30分）（略）第二部分阅读理解(共两节，满分40分)第一节（共15小题；每小题2分，满分30分）
2、阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项，并在答题卡上将该项涂黑。ASometimes he would come on Thursday and not even be able to get out of the car because of the seizures(癫痫). Still he came, week after week.His caretakers said he knew when it was Thursday, even though he knew little else and could not communicate how h
3、e knew. He could see, but not speak, could not even sit up without help. Yet, he knew when it was his day to go ride. He was only ten, and he didnt live to his teens.Many years have passed and many children have benefited from various riding treatment programs. But none touched me as much as this bo
4、y.One volunteer would walk beside this youngster on the right and help hold him on the horse, one would control the horse and another would walk on his left to steady him and be his instructor for the day.One week, he was in very good spirits. He smiled. He seemed alert and willing.Together with oth
5、er volunteers, I was waiting for another rider to be helped when my young student reached out and touched my hair. My hand was on his leg, so I knew he was steady, even though my eyes werent on him. I looked around and knew he was trying to tell me something.“What?” I asked. It was unusual for him t
6、o reach out and touch. He reached out again and touched my hair, as he sometimes did to the horses mane(鬃毛) on good days.I realized that my waist-length hair was back in a ponytail(马尾辫), and that he wanted it to hang down. So I did. He looked at me, managed to touch his hands together a couple of ti
7、mes in what he used as clapping, and he smiled at me.I didnt know as his attendant carried him back to the car that it would be the last time I saw him. But instead of feeling sad, I thought of him in heaven, running out to his favorite horse, not having to wait until Thursday or for his attendants
8、to help him. He and his horse would run across clouds, with him laughing and the horses tail streaming freely behind as the wind sang through their hair.21. We can learn from the passage that the writer must be _.A. a doctor B. a caretakerC. an attendant D. a volunteer22. Why did the boy touch the w
9、riters hair?A. He felt uncomfortable then.B. He intended to attract her attention.C. He thought it was the horses mane.D. He wanted her hair to stream freely.23. What can be the best title for the passage?A. A Boys Life B. A Special RiderC. Helpful Volunteers D. Riding Treatment ProgramsBIf somethin
10、g is tough, does that mean that its also strong? The answer is noespecially when youre talking about materials.A materials toughness refers to the amount of energy needed to break it. Strength refers to a materials ability to carry a load.Take a glass plate, for example. It can carry quite a bit of
11、food to the dinner table, but if you drop it on the floor, it breaks. Glass plates are strong, not tough. A rubber ball, on the other hand, can easily be pressed out of shape, but its hard to break. Rubber balls are tough, though not particularly strong.For years, it was thought impossible to find m
12、aterials that are both tough and stronguntil now, with the new nanofiber (纳米纤维) created by scientists from the USA, reported Live Science.To understand what a nanofiber is, you first have to know about nanotechnology. “Nano” refers to the size of a nanometer, which is one billionth of a meter. Nanot
13、echnology is the science of controlling matters of extremely small size. But how small are they? Think of it like this: a sheet of paper is 100,000 nanometers thick, and so is your hair.Nanofiber is one type of nanotechnology. To see these fibers, you need a microscope (显微镜) many thousands of times
14、more powerful than the ones used in a science class. Despite their small size, nanofibers can be made into materials that are hundreds of times stronger than steel and are very tough at the same time.“If the materials were tougher, one could make products more lightweight and still be very safe,” Pr
15、ofessor Denis, who led the study, told Live Science.Airplanes, for example, are made of many composite (合成的) materials that, if broken, could lead to horrible crashes. To make up for the composites lack of toughness, engineers use more of these materials, making airplanes safer, but also much heavier. But with the new nanofiber materials, not only planes, but also bridges and bikes can all be made lighter, stronger and tougher. “Whatever is made of composites can benefit from our nanofibers,” Denis said.24. If a material is tough, _.A. its not
