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
外语
Look at the ten statements for this part. You will hear a passage about "The Number of Genes ". You will listen to it twice.
Look at the ten statements for this part. You will hear a passage about "The Number of Genes ". You will listen to it twice.
admin
2019-01-04
74
问题
Look at the ten statements for this part.
You will hear a passage about "The Number of Genes ". You will listen to it twice.
Decide whether you think each statement is right(R), wrong(W)or not mentioned(NM).
Mark your answers on the Answer Sheet.
Some people found it hard to believe that humans have only about 30 thousand genes.
Look at the ten statements for this part.
You will hear a passage about "The Number of Genes ". You will listen to it twice.
Decide whether you think each statement is right(R), wrong(W)or not mentioned(NM).
Mark your answers on the Answer Sheet.
Number of Human Genes Questioned
Scientists are questioning a widely reported finding from the first detailed study of the human gene map. The scientists dispute the findings that humans have only about thirty thousand genes. The new report suggests the true number could be much greater. Some believe that humans have more than one hundred thousand genes.
The issue seemed to be settled last February. That is when two competing teams of scientists published their efforts to map the position of every human gene. A private American company called Celera Genomics published one of the genetic maps. An international group called the Human Genome Project prepared the other. Each group of scientists estimated that humans have about thirty thousand genes. That is about two times as many genes as some insects.
That number came as a surprise to some people. They wondered how an organism as complex as a human could have so few genes. Some scientists believed the small number of genes was good news. It meant it would be easier to identify all the genes and understand how they work.
In the new study, the Novartis scientists compared the two groups of human genes from the two genetic maps. They found that the two groups of scientists had identified two different sets of genes. Only about half the genes are common to both groups. The Novartis scientists say this means the number of human genes may be about four thousand.
The director of the Human Genome Project, Francis Collins, said he would not be surprised if humans were found to have more than thirty thousand genes. Celera’s President, Craig Venter, notes that the process of discovering the real number is not simple. He said many of the genes noted in his company’s study had not been confirmed.
The real number of human genes may not be known any time soon. Scientists say it probably will take years before we have a list of the genes that control human biology.
That is the end of Part 3. You now have 20 seconds to copy your answers on the Answer Sheet.
选项
A、Right
B、Wrong
C、Not Mentioned
答案
A
解析
转载请注明原文地址:https://kaotiyun.com/show/In2d777K
本试题收录于:
BFT听力题库国际化人才外语考试(BFT)分类
0
BFT听力
国际化人才外语考试(BFT)
相关试题推荐
Somepeopleholdthatoldpeopleshouldbetakencareathome,whileothersthinktheyshouldbeplacedinoldpeople’shouse.W
Youareaskedtowriteacompositioninwhichyougiveyourownopinionsonthefollowingstatement:Trafficandhousingpro
Readthefollowingletterandcompletethegiveninformationform.Writeaword,phraseornumberinthespaces1-5.De
Youareaskedtowriteacompositioninwhichyougiveyourownopinionsonthefollowingstatement.Face-to-facecommunicat
Readthefollowingtextanddecidewhichanswerbestfitseachspace.Forquestions26-45,markoneletterA,B,CorDony
Readthearticlebelow.Choosethebestsentencefromthelistonthenextpagetofilleachofthegaps.Foreachgap(1
Readthearticlebelow.Choosethebestsentencefromthelistonthenextpagetofilleachofthegaps.Foreachgap(1
Readthefollowingpassageanddecidewhichanswerbestfitseachspace.Forquestions26~45,markoneletterA,B,CorDo
WildBillDonovanwouldhavelovedtheInternet.TheAmericanspymasterwhobuilttheOfficeofStrategicServicesinWorldWar
1.WhydosomanyAmericansdistrustwhattheyreadintheirnewspapers?TheAmericanSocietyofNewspaperEditorsistryingto
随机试题
下列不得认定为自开票纳税人的是( )。
高尔基的第一篇短篇小说是__________。高尔基早期浪漫主义作品的典范是__________。
InChina,itisrelativelyusualtoaskpeopletheirage,butintheWest,thisquestionisgenerallyregardedasimpolite.This
A.推动作用B.温煦作用C.防御作用D.固摄作用E.气化作用使津液变成汗、尿是气的
对于保修义务的承担和维修的经济责任承担,下述说法正确的是()。
月末存在未达账项时,企业可以动用的银行存款数额是( )。
操作风险是商业银行面临的一项重要风险,商业银行应该为抵御操作风险造成的损失安排经济资本。下列是商业银行可选择的经济资本计算方法的有()。
第二年的时候,他______地提出了自己的第二步计划,每人每月捐出一元钱。这次的计划一点阻力都没有,一元钱,大家都按时______。没有一个人表现出些许的迟疑。填入横线部分最恰当的一项是()。
“面向对象技术中,类之间共享属性与行为的机制称为()。
请根据下图所示网络结构回答问题。(1)填写路由器RG的路由表项(2)如果该网络内服务器群的IP地址为58.45.57.11.58.45.57.25,并且采用一种设备能够对服务器提供如下保护措施:发送到服务器群的数据包将被进行过滤检测,如果检测到恶意
最新回复
(
0
)