话题17 优质语篇-【一战成名新中考】2024辽宁中考英语·话题读写思维训练优质课件PPT（人教版）

第一部分 高频话题专练 话题17 环境保护 优质语篇 辽宁英语 英语 1 ［2022沈阳阅读C］ 【话题角度】环境问题及其原因和影响、环保意识和行为、环保人物 【教材单元链接】 人教 外研 沪教 九(全) Unit 13 保护环境 八(上) Module 6 保护濒危动物 九(上)Module 12 环境保护 七(上) Unit 3 保护地球 七(下) Unit 4 热带雨林的重要性和面临的问题 九(下) Unit 3 环境问题 九(下) Unit 4 自然灾害 2 Passage 1 【课标高频词句】 1.out of imagination__________ 2.the number of____________ 3.according to____________ 无法想象 ……的数量 根据，按照 3 4.go down the way to extinction____________________ 5.break down______ 6.keep the soil healthy______________ 7.have bad influences on____________________ 8.environmental protection__________ 沿着灭绝的路走下去 分解 保持土壤健康 对 …… 有不良影响 环境保护 4 Can you imagine a world without insects? Without ants or flies in your house, it might sound great. However, the results may be out of imagination. The number of insects has dropped by half in the past few years, according to a British biologist Dave Coulson. You may think small insects are not important. But in fact they are the main part of the species on Earth. 5 Insects are really on the way to extinction, according to the first review of insect population. The researchers say the main reason for this is the use of pesticides(杀虫剂) because they destroy insects' living areas. Also, weather change is another important cause. “Unless we change our ways of producing food, insects will go down the way to extinction in a few years,” the researchers wrote in the review. “This will have huge influences on the planet's ecosystem(生态系统).” 6 We need insects to pollinate(授粉) crops. They also break down dead plants and animals, which can keep the soil healthy. Without insects, many animals would have nothing to eat and die of hunger. Then, the ecosystem would be off balance. “If the number of insect species keep dropping, this will have bad influences on both Earth's ecosystem and the living of us humans,” said one of the writers of the review. “The first step to stop this is to let more people understand the values of the natural world,” he suggests. “The best place