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
76
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] 【B11】
选项
答案
300 children were studied and the test scores showed higher levels of aggression and learning
解析
[听音关键] 300 children,test scores,higher levels of aggression, learning problems, increased levels of lead
转载请注明原文地址:https://tihaiku.com/zcyy/2995310.html
相关试题推荐
[originaltext]Throughouthistorymanhaschangedhisphysicalenvironmenti
[originaltext]Throughouthistorymanhaschangedhisphysicalenvironmenti
[originaltext]Throughouthistorymanhaschangedhisphysicalenvironmenti
Somethingweirdishappeningintheoncemarginalworldofenvironmentalism
Somethingweirdishappeningintheoncemarginalworldofenvironmentalism
Somethingweirdishappeningintheoncemarginalworldofenvironmentalism
WhenToyotaMotorCorp.movedoneofitsdivisionsintoanenvironmentallyf
WhenToyotaMotorCorp.movedoneofitsdivisionsintoanenvironmentally
WhenToyotaMotorCorp.movedoneofitsdivisionsintoanenvironmentally
WhenToyotaMotorCorp.movedoneofitsdivisionsintoanenvironmentally
随机试题
DoctorHowardFriedmanconductedastudyafterhisbookwaspublished.[br][or
Telephone,televisionradio,andtelegraphallhelppeoplecommunicatewith
AmericansEugeneFama,LarsPeterHansenandRobertShillerwontheNobelPr
某设备基础的施工图,由于到货的设备尺寸与委托方提供的资料严重不符,致使对施工图必
以主体结构确定建筑设计使用年限分为四级,下列哪条是不正确()A.一级设计使用
在Revit中单击【风管】命令,在该风管属性中将系统类型设置为回风,单击机械设备
粮食污染黄曲霉毒素后,可采取的去毒方法包括( )。A.挑出霉粒 B.研磨
特别适合用于与不愿见面的家长联系的书面联系形式是( )。A.宣传版 B.联系
银行理财产品要素所包含的信息可以分为三大类:产品开发客体信息、产品目标客户信息和
下列选项中,属于钻孔灌注桩施工质量检验实测项目的有()A.混凝土坍落度 B.
最新回复
(
0
)