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
71
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、safe
B、safely
C、as safe
D、safety
答案
A
解析
转载请注明原文地址:https://www.kaotiyun.com/show/8SvC777K
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
Onefamousphysicianalways______tospendatleast15minutesongeneralreadingbeforehewenttosleepeachnight.
Anintelligentpupilcandoadvancedwork,anditdoesnotmatter______agethechildis.
Whatisthemaintopicofthepassage?Theword"random"inLine2,Para.2isclosestinmeaningto______.
Idon’tfeellike_______outtonight.
Manyanimalsareusedtohelpscientistsfindcuresfordiseases.Oneofthemostcommonanimalsusedismonkeys,orprimates.T
Don’thavehimforafriend.He’s______acriminal.
Thepoorareverywonderfulpeople.Oneeveningwewentoutandwepickedupfourpeoplefromthestreet.Andoneofthemwasin
Humanbeingsneedtodrinkfortheirsurvival.Waterranks【61】onthelistofall-timesafefluids.Butnotallwaterisassafe
Humanbeingsneedtodrinkfortheirsurvival.Waterranks【61】onthelistofall-timesafefluids.Butnotallwaterisassafe
Television—thatmostattractivemoderntechnology,markedbyrapidchangeandgrowth—ismovingintoanewerawhichpromisesto
随机试题
下列选项中,符合大黄和虎杖功效共同点的有
不属于现代近距离放疗的形式的是
下列不属于冠心病类型的是( )。
舟车丸的功用足
运用基准地价修正法估价的步骤是()。
安装超重机支架时,终端支架距滑接线末端不应大于( )mm。
关键风险指标监控的原则有:整体性、重要性、敏感性、可靠性和有效性原则。()
当事人应当自动履行的已经发生效力的()。
一个月了,这个问题时时刻刻缠绕着我,而在工作非常繁忙或心情非常好的时候,又暂时抛开了这个问题,顾不上去想它了。以上的陈述犯了下列哪些逻辑错误?
Lookatthetablebelow.Someinformationismissing.Youwillhearatelephoneconversation.Foreachquestion(16-22),fillin
最新回复
(
0
)