第三部分 主题六 第一组 科学与技术（2023阅读C；贵阳5年3考）-【众相原创·赋能中考】2024年中考英语练习册PPT课件（贵州专用）人教版

英 语 精 练 册 中考研发中心出品 1 人与社会 主题六 科学与技术（2023阅读C；贵阳5年3考） 第一组 2 磁铁的应用+猴子面部识别技术+青藏铁路的修建+大数据 一、阅读 第一节B篇 Did you know magnets（磁铁） are all around you？ Magnets help you do wonderful things！ Keep reading！ See if you think magnets have surprising uses. 3 Magnets Push or Pull Look closely and you will see. Magnets can be found in a fridge. The magnet attracts or pulls the metal to make the door closed. Do you know how？ A magnet pulls things made of metals called iron（铁） and steel. But it will not pull other things， such as a wooden pencil， a gold ring or a plastic toy， which means it does not attract all. 4 Magnets Have Two Poles（磁极） Magnets can pull some things to them. Why is this true？ The two ends of a magnet are its poles. Every magnet has a north pole and a south pole. Have you ever played with trains that have magnets？ Sometimes， you try to put two train cars together， but push away from each other. Then you turn one of the cars around. The two cars attract each 5 other rapidly. When the train cars push away， two of the same poles are facing each other. However， if you put the north and south poles together， they will be together immediately. Magnets Can Be Influential Scientists are using magnets in new ways. There is a new train that uses powerful magnets to travel more quickly. Magnets lift the train above the track（轨道） and push the train forward. The train appears to be moving as fast as wind！ They are much faster than the trains we know. Besides， in medicine， the powerful magnet is used to help 7 patients produce heat to kill cancer cells without harming their body. The powerful magnet can also be seen in many fields， like space， industry， and teaching. So it plays an important role in our life. 1. ________ can be pulled by magnets.( ) C A. A wooden pencil B. A gold ring C. An iron lock 【解析】 细节理解题。根据第二段最后两句可知磁铁吸引由铁和钢的金属制成的东西，但它不会吸其他东西，比如木制铅笔、金戒指或塑料玩具。 9 2. 图片推断题 Which one of the following pictures might probably happen？(