必修第1册 UNIT 4 NATURAL DISASTERS-【创新教程】2025年高考英语总复习大一轮课时作业word（人教版）

UNIT 4　NATURAL DISASTERS Ⅰ.阅读A 主题：人与社会 体裁：记叙文 话题：少年发明了新型灭火器 (2024·山西朔州·二模)A kid moved away from his friends and the familiarity of New Jersey to California, then immediately solved a local problem with a brilliant invention. Along with potentially winning himself a career in advertisement television with an excellent reveal video and excitable voice, Mathur, an 11th grade San Francisco student, has invented a fire­activated extinguisher (灭火器) to protect the property of those he loves now that he lives in a state that has a wildfire “season”． A single device is capable of protecting fire­risk areas in one's house, while multiple can form a defensive area around one's entire property against fires.“Over the past three years, there have been almost 7,500,000 acres of wildfire in California alone, destroying nearly 50,000 structures，” describes Arul Mathur, inventor of the Fire­Activated­Canister­Extinguisher, or F．A.C.E. When a sensor on the device heats up to a certain temperature, a chemical burst within, releasing an eco­friendly fire­retardant (阻燃剂) spray 5­6 feet in all directions.The retardant can be re­filled quite easily, and the only other human­controlled aspect is the initial introduction of air­pressure into the canister which can be done manually (用手的)． Mathur planned to introduce the device via Kickstarter, which saw his goal of $10,000 reached in less than a day, and came with an offer of $99 for F．A.C.E, that will be sold for $120 when production begins. The only existing market alternative for F．A.C.E is a manual extinguisher, or an automatic sprinkler system, which unless it can be fixed during construction of the house, will normally cost between $1 to $3 dollars per square foot, amounting to many thousands for a family home.Mathur wrote in his Kickstarter that every penny of profit will go to providing F．A.C.E.donations to fire risk areas. Indeed 5­6 feet of spray isn't enough to stop large fires, but if enough devices are placed in strategic