首页
登录
职称英语
Air pollution involves the release into the atmosphere【C1】______ gases, fi
Air pollution involves the release into the atmosphere【C1】______ gases, fi
游客
2024-10-29
3
管理
问题
Air pollution involves the release into the atmosphere【C1】______ gases, finely divided solids, or finely dispersed liquid aerosols at rates that【C2】______ the capacity of the atmosphere to dissipate them or to dispose【C3】______ them through incorporation into solid or【C4】______ layers of the biosphere. Air pollution【C5】______ a variety of causes, not all of which are【C6】______ human control. Dust storms in desert areas and smoke from forest and grass fires【C7】______ to chemical and particulate pollution of the air. Forest fires that swept the state of Victoria, in Australia, in 1939 caused【C8】______ air pollution in Queensland, more than 2,000 miles (3,000 kilometres) away. Dust blown from the Sahara has been【C9】______ in West Indian islands. The discovery of 【C10】______ in Antarctica, where they have never been used, suggests the【C11】______ to which aerial transport can carry pollutants from one place to another. Probably the most important natural【C12】______ of air pollution is volcanic activity , which at times【C13】______ great amounts of ash and toxic【C14】______ into the atmosphere. The eruptions of such volcanoes as Krakatoa, in the East Indies, Mt. St. Helens, in Washington, and Katmai, in Alaska, have been 【C15】______ to 【C16】______ climatic changes.
Air pollution may affect humans directly, causing a smarting of the【C17】______ or coughing. More indirectly, the effects of air pollution are experienced at【C18】______ distances from the source, as, for example, the fallout of tetraethy lead from urban automobile【C19】______ which has been observed in the oceans and on the Greenland ice sheet. Still【C20】______ directly experienced are the possible effects of air pollution on global climates. [br] 【C14】
选项
A、fowls
B、funds
C、fuels
D、fumes
答案
D
解析
文章的意思是要表达火山爆发把大量烟灰和有毒的气体排放到空气中。题目四个选项中,选项D fumes意思为“有害、浓烈或难闻的气、汽或烟”为本题正确答案。选项A,B,C中的三个词都是词形相近,意义甚远,均错。
转载请注明原文地址:https://tihaiku.com/zcyy/3822812.html
相关试题推荐
Airpollutioninvolvesthereleaseintotheatmosphere【C1】______gases,fi
Airpollutioninvolvesthereleaseintotheatmosphere【C1】______gases,fi
Airpollutioninvolvesthereleaseintotheatmosphere【C1】______gases,fi
Airpollutioninvolvesthereleaseintotheatmosphere【C1】______gases,fi
Airpollutioninvolvesthereleaseintotheatmosphere【C1】______gases,fi
Airpollutioninvolvesthereleaseintotheatmosphere【C1】______gases,fi
Airpollutioninvolvesthereleaseintotheatmosphere【C1】______gases,fi
Airpollutioninvolvesthereleaseintotheatmosphere【C1】______gases,fi
Airpollutioninvolvesthereleaseintotheatmosphere【C1】______gases,fi
Airpollutioninvolvesthereleaseintotheatmosphere【C1】______gases,fi
随机试题
[originaltext]EmilyDickinsonisoneofthegreatestAmericanpoets.Shewa
Telecommutersfallintotwocamps.Somesitonthesofawatchingdaytimesoa
DNA双螺旋结构模型的描述中不正确的是A.腺嘌呤的摩尔数等于胸腺嘧啶的摩尔数
A. B. C. D.
对经安全许可的大型群众性活动,以下归公安机关的工作内容描述不正确的是()。
2岁小儿,咳嗽、咳痰、咽部红肿,查体:T38.5℃。心肺听诊无异常。 下列
患儿男,5岁,低热半月,消瘦轻咳。查体:体温38℃,营养差,右背下部听诊呼吸音减
活动开始了,教师请幼儿轻轻搬椅子到老师身旁来。这时,有的幼儿抱着椅子,有的幼儿推
榴风公司章程规定:股东夏某应于2020年6月1日前缴清货币出资10
最新回复
(
0
)