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
67
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
Tocarryoutacompany’srulesandregulations,administrativepersonnelmustknow______.
WhendidFather’sDayofficiallybegintohavenationalpopularity?WhatwasthefirstreactionoftheBritishpublictowardsF
Thegovernmentofficialsaidthatthenewtaxrateswouldcomeinto______(effective)fromApril.
Personalqualitiesarepersonal______ofanindividual.Thoughskillsareimportant,anemployerwillselectnewemployeesbas
Duringvoting,thecity______willwinhostofOlympics.It’simpliedbutnotstatedinthepassagethat______.
PiotrekKowalski,18,comesfromPolandandwouldlikeapenpalwhoisinterestedindiscussingthecurrentpoliticalsituation
Whatisthemaintopicofthepassage?Theword"random"inLine2,Para.2isclosestinmeaningto______.
Atthemeetingbothsidesexchangedtheirviewsonawide______oftopicstheywereinterestedin.
Henry’sjobwastoexaminecarswhichcrossedthefrontier(边境)tomakesurethattheywerenotsmuggling(走私)anythingintothec
Theprofessorcanhardlyfindsufficientgrounds______hisargumentinfavorofthenewtheory.
随机试题
甲企业计划利用一笔长期资金投资购买征券,现有A、B两个公司的股票可供选择。已知A公司股票现行市价为每股4元,基年每股股利为0.2元,预计以后每年以5%的增长牢增长,B公司股票现行市价为每股6元,基年每股股利为0.5元,股利分配将一直采用固定股利政策。甲企业
A、costB、caseC、priceD、chemicalC本题属辅音字母辨别的考查题,可利用排除法。A、B、D三项当中的发音均为[k],只有C项中发音为[s]。故选C。
AD抗原BH抗原C尿激酶型纤溶酶原激活物DTFPIEPF4体内主要的生理性抗凝物质是
A.对含有脓液,坏死组织等有机物仍有消毒作用B.对急性牙髓炎开髓后,常用的安抚小棉球含有C.可使牙齿变色的消毒剂D.是消毒作用最强的消毒剂E.用于深龋洞消毒75%乙醇
热力管道补偿器竖直安装时,表述正确的选项是()。
ABC公司年数总和法进行固定资产的折旧计算。1月1日,该公司以$50000购置了一台设备,预计使用年限为5年,没有残值。第1年的折旧费用应为
根据《中华人民共和国海关审定进出口货物完税价格办法》规定的估价原则,海关可以在境内获得的数据为基础估定完税价格,但以下不得使用的价格有()。
Whenyoudosomethingthatviolatesyourownvaluesandprinciples,youcreateagapbetweenyourstandardsandyouractual_____
下列两个二进制数进行算术加运算,100001+111=___________。
Accordingtotheweatherforecast,whichisusually______,itwillsnowthisafternoon.
最新回复
(
0
)