2023学年九年级英语全一册单元重难点易错题精练(人教版) .pdfVIP

Unit 13 单元话题阅读理解专项练习 2022· · We all need to quiet down! “The rising noise pollution in cities will become a top （ 河南驻马店三模） environmental problem,” the United Nations UN said in a report on Feb 17th. It asks governments to take （ ） action as soon as possible. What is noise pollution? According to the UN, unwanted noise about 65 decibels dB is noise pollution. Noise becomes harmful （ 分贝） when it’s over 75 dB and is painful above 120 dB People who live near airports or highways get lots of noise ． pollution. When neighbors play rock loudly in their homes or shout around you, that’s also noise pollution. Why is noise pollution bad? “High levels of noise do harm to human health,” the UN report says. According to the Science magazine, too much noise causes health problems like stress and tiredness from poor sleep. More serious problems include heart disease and hearing loss. In Europe, 12,000 people die each year from effects of noise pollution, according to CGTN. How can we fix the problem? The European Commission says cities can fight noise pollution. One great way is to build barriers （围栏） along railroads and highways. Some European countries have also built roads of rubber. It’s the same rubber as your school’s playground. It makes cars quieter. How can you and I help? We can stop shouting around our houses! 根据材料内容选择最佳答案。 1．What does the UN report want the countries around the world to do? A Keep quiet about pollution. B Deal with noise pollution. ． ． C Stop cities from growing. D Protect the environment. ． ． 2 ．What is noise pollution according to the UN? A Unwanted sound