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
专升本
Human beings need to drink for their survival. Water ranks【61】on the list of all-time safe fluids. But not all water is as safe
Human beings need to drink for their survival. Water ranks【61】on the list of all-time safe fluids. But not all water is as safe
admin
2011-02-27
40
问题
Human beings need to drink for their survival. Water ranks【61】on the list of all-time safe fluids. But not all water is as safe as once【62】. Recent tests of water fountains in several U. S. cities show that many fountains give water containing large【63】of lead (铅) , a poisonous metal. A recent study of 900 water fountains in Los Angeles【64】that half of the fountains【65】contained higher amounts of lead than the【66】the experts consider【67】. In other cities【68】results of tests were announced; too much lead in many, though【69】, drinking fountains. Water doesn’t normally contain any lead, but when it passes through pipes, it can【70】. People who drink the water【71】the lead. An adult’ s body passes most of the lead【72】the body, but children’ s【73】retains more than half the lead【74】. This makes children more likely to be affected. Lead can damage the kidneys, cause【75】and impair learning and memory.【76】four million children in U. S. A. already have high levels of lead in their bodies. Most of this lead comes from【77】polluted with the metal. They can【78】it up from eating dirt or paint chips containing lead. In【79】to limit the lead in water fountains, officials recently suggested that fountains【80】to have too much lead be replaced or repaired. And that certainly requires a lot of money.
选项
A、were
B、found
C、tested
D、used
答案
C
解析
转载请注明原文地址:https://kaotiyun.com/show/fSvC777K
本试题收录于:
英语题库成考专升本分类
0
英语
成考专升本
相关试题推荐
阅读巴金《爱尔克的灯光》中的一段文字,然后回答小题。黑暗来了。我的眼睛失掉了一切。于是大门内亮起了灯光。灯光并不曾照亮什么,反而增加了我心上的黑暗。我只得失望地走了。我向着来时的路回去。已经走了四五步,我忽然掉转头,再看那个建筑物。依旧是阴暗中一
柳永《八声甘州》(对潇潇暮雨洒江天)一词所表达的主要内容是()
HumanityisanewexperimentonplanetEarth.Formostofitshistory,lifeonEarthwasrestrictedtothesea.Livingthingsbe
Manypeoplefindhomegardening______.Fromthepassagewecanconcludethat______.
Insomecountries,______iscalled"equality"doesnotreallymeanequalrightsforallpeople.
Whilemakingtremendousachievementsatcollege,Asian-Americanstudents______.Theauthor’stoneinthispassageis______.
—Whohasbeenplanningthedance?—Everyoneintheclass______.
PiotrekKowalski,18,comesfromPolandandwouldlikeapenpalwhoisinterestedindiscussingthecurrentpoliticalsituation
Inmostcases,bothparentswerestill______andstillmarriedtoeachother.
Themusicwouldstopattheintervals,thenafterawhile.
随机试题
土地规划通过对区域内国民经济各部门、各行业用地量的合理分配,解决各部门、各行业土地需求的矛盾,这体现了土地规划的控制作用。()
已知,最强的氧化剂和最强的还原剂分别是()。
建设项目财务预算分三个主要部分:单位工程预算、()、建设项目总预算。
个人贷款的特征有()。[2015年10月真题]
下列属于药膳的有()
机关文书部门对那些必须办理答复的文件,根据承办时限的要求,及时地对文件承办的情况进行督促和检查的环节称()。
甲工厂每天生产的零件数比乙工厂的1.5倍还多40个,乙工厂每天生产的零件数比甲工厂的一半多20个。则两个工厂每天共能生产多少个零件?
20世纪80年代第五代导演崛起之时,导演编剧为剧本反复推敲修改,演员为塑造好形象深入生活实地采风的故事________,《红高粱》《黄土地》《霸王别姬》等在中国乃至世界电影史上留下印记的杰作,就是在创作者殚精竭虑、心无旁骛的努力中诞生的。填入画横线部分最
Everymanisaphilosopher.Everymanhashisownphilosophyoflifeandhisspecialviewoftheuniverse.Moreover,hisphiloso
ThemostcommonlegendaboutthediscoveryofcoffeeisthatithappenedintheninthcenturyA.D.AgoatherderinEthiopiana
最新回复
(
0
)