首页
财务会计
医药卫生
金融经济
考公考编
外语考试
学历提升
职称考试
建筑工程
IT考试
其他
登录
职称考试
下面有 3 篇短文,每篇短文后有 5 道题。请根据短文内容,为每题确定 1 个最佳选项。 Cell Phones: Hang Up or Keep...
下面有 3 篇短文,每篇短文后有 5 道题。请根据短文内容,为每题确定 1 个最佳选项。 Cell Phones: Hang Up or Keep...
admin
2020-12-24
32
问题
下面有 3 篇短文,每篇短文后有 5 道题。请根据短文内容,为每题确定 1 个最佳选项。
Cell Phones: Hang Up or Keep Talking?
Millions of people are using cell phones today. In many places it is actually considered unusual not to use one. In many countries, cell phones are very popular with young people. They find that the phones are more than a means of communication — having a mobile
phone shows that they are cool and connected.
The explosions around the world in mobile phone use make some health professionals worried. Some doctors are concerned that in the future many people may suffer health problems from the use of mobile phones. In England, there has been a serious debate about this issue. Mobile phone companies are worried about the negative publicity of such ideas. They say that there is no proof that mobile phones are bad for your health.
On the other hand, why do some medical studies show changes in the brain cells of some people who use mobile phones? Signs of change in the tissues of the brain and head can be defecfed with modern scanning (扫描) equipment. In one case, a traveling salesman had to retire at a young age because of serious memory loss. He couldn’t remember even simple tasks. He would often forget the name of his own son. This man used to talk on his mobile phone for about six hours a day, every day of his working week, for a couple of years. His family doctor blamed his mobile phone use,but his employer’s doctor didn’t agree.
What is it that makes mobile phones potentially harmful? The answer is radiation. High-tech machines can detect very small amounts of radiation from mobile phones. Mobile phone companies agree that there is some radiation, but they say the amount is too small to worry about.
As the discussion about their safety continues, it appears that ifs best to use mobile phones less often. Use your regular phone if you want to talk for a long time. Use your mobile phone only when you really need it. Mobile phones can be very useful and convenient, especially in emergencies. In the future, mobile phones may have a warning label that says they are bad for your health. So for now, it’s wise not to use your mobile phone too often.
On the safety issue of mobile phones, the manufacturing companies
选项
A hold that the amount of radiation is too small to worry about.
B deny the existence of mobile phone radiation.
C develop new technology to reduce mobile phone radiation.
D try to prove that mobile phones are not harmful to health.
答案
A
解析
答案见第四段里的这句话:Mobile phone companies agree that there is some radiation , but they say the amount is too small to worry about. (手机厂商并不否认手机有辐射,但声称辐射量很小无须担心。)
转载请注明原文地址:https://ti.zuoweng.com/ti/Zs9QKKKQ
相关试题推荐
CellPhones:HangUporKeepTalking Millionsofpeopleareusingcellphone...
CellPhones:HangUporKeepTalking? Millionsofpeopleareusingcellphon...
CellPhones:HangUporKeepTalking? Millionsofpeopleareusingcellphon...
CellPhones:HangUporKeepTalking? Millionsofpeopleareusingcellphon...
共用题干 第三篇CellPhones:HangUporKeepTalking?Millionsofpeopleareusingce...
共用题干 第三篇CellPhones:HangUporKeepTalking?Millionsofpeopleareusingce...
共用题干 第三篇CellPhones:HangUporKeepTalking?Millionsofpeopleareusingce...
共用题干 第三篇CellPhones:HangUporKeepTalking?Millionsofpeopleareusingce...
共用题干 CanMobilePhonesCauseDisease?1"Mobilephonekilledmyman,"scream...Ta
共用题干 CanMobilePhonesCauseDisease?1"Mobilephonekilledmyman,"scream...Th
随机试题
患者,男,10岁,1周前不慎跌倒致左上1切2/3冠折,余牙有散在间隙,以下处理方
马斯洛认为人的需要由低到高可以分为()。
1.建设和弘扬统一的企业文化,省公司(直属单位)承担什么管理职责?
某施工企业2010年1月购入如下资产:某公司三年期债券;一项商标权;一台施工设备
急性一氧化碳中毒血标本碳氧血红蛋白的采集,描述正确的是
2006~2008年,该省平均每年进出口总额约为;
克鲁姆霍尔兹通过实证性的研究提出以社会公平为目的的城市规划在推进过程中需要注意和
女性,30岁,发热乏力1周,呼吸困难2天,查体:T38.4℃,右肺叩诊实音,呼
下列情形中,在当事人之间不能产生合同法律关系的有()。A.甲拾得乙遗失的一块手表B.甲赠与乙图书馆一百本书C.甲因踢球打碎乙家的玻璃D.甲鱼塘之鱼跳入乙
疏散走道的宽度一般需要根据其通过人数和疏散净宽度指标经计算确定,检查要求为:()。A.厂房疏散走道的净宽度不小于1.2mB.单、多层公共建筑疏散走道的净宽度不