首页
登录
职称英语
A researcher says lead in the environment could be a major cause of violenc
A researcher says lead in the environment could be a major cause of violenc
游客
2023-09-08
58
管理
问题
A researcher says lead in the environment could be a major cause of violence by young people. Doctor Herbert Needleman is a professor at the University of Pittsburgh School of Medicine in Pennsylvania. He says the【B1】______ of lead in the brain changes the neurons that control actions and that can cause a person to act in antisocial and【B2】______ ways.
Lead is a metal that is【B3】______ dangerous to babies and young children. They can get it into their bodies by breathing or【B4】______ lead dust, or by eating soil or pieces of lead paint. Children with high levels of lead can【B5】______ brain and nervous system damage, learning【B6】______ , slow growth, headaches and hearing loss.
In the 19th century, Doctor Needleman found lower scores on【B7】______ tests even in children who did not have such signs of lead【B8】______ . After that, lead was removed from gasoline and paint in the United States. Yet many homes still have old lead paint. Lead was also used in older water pipes. In fact,【B9】______ .
The newest research shows that even very small amounts of lead in bones can affect brain development. 【B10】______ . In 2008, such tests were done on 190 young people who were in jail and the findings showed that their average levels were higher than normal. And, in 2002,【B11】______ . Yet these levels were still considered safe by the government. [br] 【B4】
选项
答案
swallowing
解析
介词by后面应为功名词,根据or前的breathing可知,此处应该是与breathing并列的一个身体运作,注意swallowing有两个1。
转载请注明原文地址:http://tihaiku.com/zcyy/2995303.html
相关试题推荐
Thesecrowdedcitiesare____________(传染病传播的温床)theperfectenvironmentforthet
Researchersdisagreewhetherthe"useitorloseit"philosophyholdsforco
Researchersdisagreewhetherthe"useitorloseit"philosophyholdsforco
[originaltext]Ourenvironmentisbeingpollutedfasterthanthenatureandm
[originaltext]Ourenvironmentisbeingpollutedfasterthanthenatureandm
Airpollutionisoneofthemostpervasiveenvironmentalproblemsbecauseat
Airpollutionisoneofthemostpervasiveenvironmentalproblemsbecauseat
Airpollutionisoneofthemostpervasiveenvironmentalproblemsbecauseat
Airpollutionisoneofthemostpervasiveenvironmentalproblemsbecauseat
Airpollutionisoneofthemostpervasiveenvironmentalproblemsbecauseat
随机试题
NativeAmericanpottersoften(i)______theshortcutsofferedbymoderntechnolog
______toparticipateinthefestivities.A、NoeverystudentwantsB、Noeverystud
混凝土合理砂率随()而变化,需要根据实际施工条件,通过试验来选择。A.粗集料种类
为防止积液出现下列症状,标本留取后应及时送检,但哪项除外A.凝块 B.细胞变性
Thechangeinthatvillagewasmiraculou
利用文丘里管喉部的负压抽取基坑中的积水,如图所示,若喉部流速v1=10m/s,
()可用来测量受训者对培训项目的态度、动机以及行为等方面的特征。A.绩效成果
对眩晕病因病机率先提出“无虚不能作眩”观点的医著是( ) A.《素问.玄机原
2019年2月3日,甲公司以银行存款2003万元(其中包含相关交
下列哪项不符合霍乱患者泻吐期的临床特点A.多数腹泻伴有里急后重 B.多数以剧烈
最新回复
(
0
)