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
49
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] 【B8】
选项
答案
poisoning
解析
1ead poisoning意为“铅中毒”。
转载请注明原文地址:http://tihaiku.com/zcyy/2995307.html
相关试题推荐
Environmentliterallyis"thatwhichenvironsorsurrounds".Thetermisuse
Environmentliterallyis"thatwhichenvironsorsurrounds".Thetermisuse
Environmentliterallyis"thatwhichenvironsorsurrounds".Thetermisuse
Environmentliterallyis"thatwhichenvironsorsurrounds".Thetermisuse
Thesecrowdedcitiesare____________(传染病传播的温床)theperfectenvironmentforthet
Researchersdisagreewhetherthe"useitorloseit"philosophyholdsforco
Researchersdisagreewhetherthe"useitorloseit"philosophyholdsforco
Researchersdisagreewhetherthe"useitorloseit"philosophyholdsforco
Researchersdisagreewhetherthe"useitorloseit"philosophyholdsforco
[originaltext]Ourenvironmentisbeingpollutedfasterthanthenatureandm
随机试题
Theconflictbetweengoodandevilisacommonthemerunningthroughthegrea
最近我收到的邮件不太多。Ihaven’treceivedmuchmailrecently.
CATVisashortwayofsaying"communityantenna(天线)television".But"cable
提示:假设你是丽娜,光明中学的学生,你给你的好友小华写信讲述你的美国之行。内容包
Aqueryisusedtosearchthroughtheda
恶病质素主要由哪种细胞产生A.T细胞 B.B细胞 C.中性粒细胞 D.树突
能治阴虚之体受风温及冬温咳嗽、咽干痰结的药是A:玉竹B:石斛C:石膏D:栀
水玻璃通常不可作为()来使用。A.防冻材料 B.防水剂 C.耐酸材料 D
青霉素抗革兰阳性(G)菌作用的机制是A.抑制细菌细胞壁肽聚糖(黏肽)的合成 B
下列施工现场质量检查项目中,适宜采用实测法的是()。A.砌体的垂直度检查 B.
最新回复
(
0
)