首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Air pollution is one of the most pervasive environmental problems because atmospheric currents can carry contaminated air to eve
Air pollution is one of the most pervasive environmental problems because atmospheric currents can carry contaminated air to eve
admin
2010-08-21
35
问题
Air pollution is one of the most pervasive environmental problems because
atmospheric currents can carry contaminated air to every part of the globe.
Most air pollution comes, from automobile emissions and from power plants
what burn coal and oil to produce energy for industrial and consumer use. 【S1】______
Carbon dioxide and other harmful gases releasing into the air from these 【S2】______
sources adversely effect weather patterns and the health of people, animals and 【S3】______
plants.
Industrialized nations produce most of the world’s air pollution. For 【S4】______
example, because the United States is home to just 5 percent of the world’s
population, the country generates 22 percent of human-made carbon dioxide 【S5】______
emissions or 19 percent of all greenhouse gases such as carbon dioxide and 【S6】______
methane. These emissions harm the environment by leading acid rain and
global warming, and by depleting (使衰竭) the protective ozone layer which 【S7】______
surround the earth.
Acid rain, a serious threat around the world, occurs when sulfur dioxide
and nitrogen oxide emissions from automobiles and fossil-fuel burning power 【S8】______
plants to fall back to Earth as acidic precipitation. Acid rain has contaminated
many lakes in Canada and the northeast United States and has been
documented even in the non-industrial state of Hawaii. In the United 【S9】______
Kingdom, 57 percent of all trees are severely defoliated (使落叶) owe to 【S10】______
corrosive fallout, and production of food crops has been declined in many parts
of the world. Acid rain has eroded the surfaces of great art and architectural
treasures, including the ancient sculptures of Rome and the Sphinx in Egypt.
【S5】
选项
答案
or→and
解析
从逻辑关系看,美国制造的有害气体有22%的人造二氧化碳,还有19%的二氧化碳、甲烷等导致温室效应的气体,这两者之间是并列关系,而不是选择关系,所以应该用and连接。
转载请注明原文地址:https://kaotiyun.com/show/0r7K777K
0
大学英语六级
相关试题推荐
A、Itisquitegeneral.B、Mostoftheinformationheneedswillbefoundinnewspapers,C、Shethinksheshouldchangeit.D、Itsh
Conventionalwisdomhasitthatmalebirdsareloyalandfaithfulbecausethebusinessoffeedingnestlingissodemandingthat
Conventionalwisdomhasitthatmalebirdsareloyalandfaithfulbecausethebusinessoffeedingnestlingissodemandingthat
PresidentClintonlatertodayjoins【B1】______presidentFord,CarterandBushat"thepresident’ssummitforAmerica’sfuture"【B
PresidentClintonlatertodayjoins【B1】______presidentFord,CarterandBushat"thepresident’ssummitforAmerica’sfuture"【B
Americanculturehasnotbeenimmunetoculturalinfluencesfromoutside.TheideaofdemocracycamefromtheancientGreeks;th
Americanculturehasnotbeenimmunetoculturalinfluencesfromoutside.TheideaofdemocracycamefromtheancientGreeks;th
Childrenare【C1】______seriousillnessesbecauseoftheirparentssmokingathome,saysthegovernment’schiefmedicalofficer,
Inaddition,althoughthose______(有更多财经知识)tendtosavemoreandmakehigherreturnsontheirlong-terminvestments,thestreng
______(这样的大雨天无论是谁在外面行走)willcatchacold.
随机试题
习近平新时代中国特色社会主义思想的历史地位是()
()是裴斯泰洛齐的教育理论与教育实践的基础。
利多卡因对哪种心律失常无效( )。
药学部门要建立的药学管理工作模式是
西咪替丁治疗消化性溃疡的机制是
潮汐:月球引力:太阳引力
邮政企业应当对信件、单件重量不超过___________千克的印刷品、单件重量不超过____________千克的包裹的寄递以及邮政汇兑提供邮政普遍服务。()
注册会计师如果对应付账款进行函证,通常采用的函证方式为()。
“群山之父”“五岳独尊”()以其雄伟壮丽的风光和蕴含丰富的文化,被誉为“中华之魂”,被列入《世界自然与文化双遗产名录》。
国务院公布的《全国年节及纪念日放假办法》第4条规定,少数民族习惯的节日,由各少数民族聚居地区的地方人民政府,按照各民族习惯,规定放假日期。从这里可以看出,民族自治地方的自治机关()。①是该地方的最高权力机关②可以依法根据本地实际
最新回复
(
0
)