首页
登录
职称英语
There was one thought that air pollution affected only the area immediately
There was one thought that air pollution affected only the area immediately
游客
2024-01-17
75
管理
问题
There was one thought that air pollution affected only the area immediately around large cities with factories and heavy automobile traffic. At present, we realize that although these are the areas with the worst air pollution, the problem is literally worldwide. On several occasions over the past decade, a heavy cloud of air pollution has covered the east of the United States and brought health warnings in rural areas away from any major concentration of manufacturing and automobile traffic. In fact, the very climate of the entire earth may be infected by air pollution. Some scientists consider that the increasing concentration of carbon dioxide in the air resulting from the burning of fossil fuels(coal and oil)is creating a "greenhouse effect"—conserving heat reflected from the earth and raising the world’ s average temperature. If this view is correct and the world’ s temperature is raised only a few degrees, much of the polar ice cap will melt and cities such as New York, Boston , Miami, and New Orleans will be in water.
Another view, less widely held, is that increasing particular matter in the atmosphere is blocking sunlight and lowering the earth’ s temperature—a result that would be equally disastrous. A drop of just a few degrees could create something close to a new ice age, and would make agriculture difficult or impossible in many of our top fanning areas. Today we do not know for sure that either of these conditions will happen(though one recent government report drafted by experts in the field concluded that the greenhouse effect is very possible). Perhaps, if we are lucky enough, the two tendencies will offset each other and the world’ s temperature will stay about the same as it is now. [br] This passage is primarily about______.
选项
A、the greenhouse effect
B、the burning of fossil fuels
C、the potential effect of air pollution
D、the likelihood of a new ice age
答案
C
解析
归纳概括题。文章第一段提到地球的气温可能受到空气污染的影响,接下来谈到两种因空气污染可能造成的后果,所以应选C“空气污染可能带来的影响”。其他三个选项都只是文章主题的一个方面。
转载请注明原文地址:https://tihaiku.com/zcyy/3370007.html
相关试题推荐
Therewasonethoughtthatairpollutionaffectedonlytheareaimmediately
Therewasonethoughtthatairpollutionaffectedonlytheareaimmediately
Youwillbelate()youleaveimmediately.A、unlessB、untilC、ifD、orA本题考查连词辨析。可转
Youwillbelate______youleaveimmediately.A、unlessB、untilC、ifD、orA本题考查连词辨析
Inasecondhandbookshop,Billycameacrossabookwhichhethoughtwascertain
Thosechangeshaveaffectedchildren______parents.A、aslongasB、asgoodasC、as
IftheEuropeansthoughtadrought—alongperiodofdryweather—wassomething
IftheEuropeansthoughtadrought—alongperiodofdryweather—wassomething
IftheEuropeansthoughtadrought—alongperiodofdryweather—wassomething
______thenumberofcars,hethought,therewerenotmanypeopleattheclubyet
随机试题
Thegamewascancelledbecausemostoftheteammembers______amatchwithoutas
WhichofthefollowingisNOTmentionedasoneofthepenalties?[originaltext]A
关于子宫内膜癌的转移途径,以下错误的是A.可直接蔓延至颈管,侵犯宫颈及阴道 B
常见的药材害虫不包括A.谷象、米象 B.大谷盗、赤拟谷盗 C.药谷盗、锯谷盗
房地产价格评估,应当遵循公正、公平、公开的原则,按照国家规定的(),以基准地
苯乙胺类拟肾上腺素药,当侧链氨基上被体积较大的异丙基或叔丁基取代时A.对α-和β
根据表中所给信息,少数民族学生人数最多的是:() A.普通本科 B.成人
下列哪种炎症介质不具备阳性趋化作用? A.组胺B.白细胞介素8C.c5a
(2015年真题)下列各项中,集团项目组应当确定的有()。A.集团财务报表
下列费用中,属于建筑安装工程闾接费中规费的有() A.劳动保险费B.环境保
最新回复
(
0
)