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 involves the release into the atmosphere【C1】______ gases, finely divided solids, or finely dispersed liquid aero
Air pollution involves the release into the atmosphere【C1】______ gases, finely divided solids, or finely dispersed liquid aero
admin
2010-01-15
37
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.
【C8】
选项
A、observable
B、observed
C、observant
D、observing
答案
A
解析
本题也是语义题,从上下文可以判断,文章是要表达1939年发生在澳大利亚维多利亚州的森林火灾在距离2000英里以外的昆士兰州造成了明显的空气污染。题目选项中A observable表示“看得到的,明显的”为本题的正确答案,选项B observed表示“观察到的”,选项C observant表示“遵从的”,选项D observing表示“注意的,留心的”。
转载请注明原文地址:https://kaotiyun.com/show/fznK777K
0
专业英语四级
相关试题推荐
A、Becauseoldpeopleknowwhentheyshouldgotothehospital.B、Becauseoldpeoplearehealthyfromtheirchildhoodtomiddlea
TheoriesofHistoryI.Howmuchweknowabouthistory?A.【T1】________existforonlyafractionofman’stime
Working-classfamiliesintheUnitedStatesareusuallynuclear,andmanystudiesindicatethatworking-classcouplesmarryf
Usually,therearetworeasonstopursuescientificknowledge:forthesakeoftheknowledgeitself,andforthepracticalus
Itisnaturaltofeeluncomfortableinalanguageclass.You’reusedtobeinginclasseswherethemodeofcommunication—the
(1)Thegenderpaygapforfull-timeworkershasfallenbelow10%forthefirsttimein15yearssincecomparablerecordsbeg
PassageOne(1)There’sthisgreatrecurringSaturdayNightLiveskitfromseveralyearsbackwherePhilHartmanplaysanu
Bobwascompletely______bytherobber’sdisguise.
TherearemorethanfortyuniversitiesinBritain--nearlytwiceasmanyasin1960.Duringthe1960seightcompletelynewones
Itwasnotaneasyjobforthepolicetofindoutthemurderer,becauseno______hadbeenfoundyet.
随机试题
下面属于给药“五个准确”的是()。
形状呈三棱状卵形,表面黑灰或浅黄白色,横切面可见折叠的子叶。此药材是
在治疗三叉神经痛的多种方法中,止痛效果好、复发率低、可重复治疗的是
A.气机阻滞,瘀血内结B.肝脾肾受损,气滞血结,水停腹中C.脾肺肾功能失调,水潴体内D.心肝脾功能失常,水结腹内E.肝脾肾受损,血郁脾内臌胀的病机主要是()
A.排泄B.消除C.吸收D.分布E.代谢体内的药物及其代谢产物从各种途径排出体外的过程是()
有关桥墩的叙述中,不正确的是()。
中国古代墓葬在随葬品方面的一次大变革是在()时期。
建设节约型社会是专指在消费领域要厉行节约。()
2006年1月29日零时,大陆同胞向台湾同胞赠送的一对大熊猫的乳名在中央电视台春节联欢晚会现场揭晓,“()”以高票当选。
WhyMinorityStudentsDon’tGraduatefromCollege[A]BarryMills,thepresidentofBowdoinCollege,wasjustifiablyproudofBow
最新回复
(
0
)