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
下面的短文有15处空白,请根据短文内容为每处空白确定1 个最佳选项。 Cell Phone Lets Your Secret Out Your ...
下面的短文有15处空白,请根据短文内容为每处空白确定1 个最佳选项。 Cell Phone Lets Your Secret Out Your ...
admin
2020-12-24
57
问题
下面的短文有15处空白,请根据短文内容为每处空白确定1 个最佳选项。
Cell Phone Lets Your Secret Out
Your cell phone holds secrets about you. Besides the names and numbers that you’ve programmed into it, ____________ (1) of your DNA linger (遗留)on the device, according to a new study.
DNA is genetic (遗传的) material____________ (2) appears in every cell. Like your fingerprint, your DNA is ____________ (3) to you — unless you have an identical twin.
Scientists today analyze DNA in blood, saliva (唾液), or hair left____________ (4) at the scene of a crime. The results often help detectives identify____________ (5) and their victims. Your cell phone can reveal more about you___________ (6) you might think.
Meghan J. McFadden, a scientist at McMaster University in Hamilton, Ontario, heard about a crime in which the suspect bled onto a cell phone and later dropped the ____________ (7) . This made her wonder whether traces of DNA lingered on cell phones — even when no blood w as____________ (8) . But she and colleague Margaret Wallace of the City University of New York analyzed the flip-open phones (翻盖手机)of 10 volunteers. They used swabs (药签) to collect____________ (9) traces of the users from two parts of the phone: the outside, where the user____________ (10) it, and the speaker, which is placed at the user's ear.
The scientists cleaned the phones using a solution made mostly____________ (11) alcohol. The aim of washing was to remove all detectable traces of DNA. The owners got their phones back for another week. Then the researchers____________ (12) the phones
and cleaned each phone once more.
The scientists discovered DNA that____________ (13) to the phone’s speaker on each of the phones. Better samples were collected from the outside of each phone, but those swabs also picked up DNA that belonged to other people who had apparently also ____________ (14) the phone.
Surprisingly, DNA showed up even in swabs that were taken immediately after the phones were scrubbed. That suggests that washing won’t remove all traces of____________(15) from a criminal’s device. So cell phones can now be added to the list of clues that can
clinch (确定)a crime-scene investigation.
(8)
选项
A checked
B involved
C tested
D missed
答案
B
解析
转载请注明原文地址:https://ti.zuoweng.com/ti/vf9QKKKQ
相关试题推荐
Thepolicemanwrotedownalltheparticularsoftheaccident.()A.secretsB.detai
Newsecretariescameandwentwithmonotonousregularity.A:amazingB:depressing
下面的短文有5处空白,短文后有6个句子,其中5个取自短文,请根据短文内容将其分别放回原有位置,以恢复文章原貌。 ADoctorintheHou...
下面的短文有5处空白,短文后有6个句子,其中5个取自短文,请根据短文内容将其分别放回原有位置,以恢复文章原貌。 ADoctorintheHou...
下面的短文有5处空白,短文后有6个句子,其中5个取自短文,请根据短文内容将其分别放回原有位置,以恢复文章原貌。
下面的短文有5处空白,短文后有6个句子,其中5个取自短文,请根据短文内容将其分别放回原有位置,以恢复文章原貌。
下面的短文有5处空白,短文后有6个句子,其中5个取自短文,请根据短文内容将其分别放回原有位置,以恢复文章原貌。
下面的短文后有2项测试任务:(1)第23~26题要求从所给的6个选项中为第1~4段每段选择1个最佳标题;(2)第27~30题要求从所给的6...
下面的短文后有2项测试任务:(1)第23~26题要求从所给的6个选项中为第1~4段每段选择1个最佳标题;(2)第27~30题要求从所给的6...
下面的短文后有2项测试任务:(1)第23~26题要求从所给的6个选项中为第1~4段每段选择1个最佳标题;(2)第27~30题要求从所给的6...
随机试题
金融企业国有资产中,非上市企业国有产权转让的公告期,不得少于()。 A、5个工
下列不属于投资者需求的影响因素的是( )。 A、投资期限 B、收益要求 C
下列关于热力管道安装无损检测要求说法错误的是()。
债券是分别由()发行的。
甲企业计划投资某项目,该项目全部投资均于建设起点一次性投入,建设期为零,经营期为
热量传递主要有三种基本方式,即导热、热对流和____。(出题单位:应急管理部消防救援局)A、照射B、加热C、热辐射
患者,女性,60岁,双侧腮腺反复肿大十余年,有脂肪肝、糖尿病病史。一侧腮腺造影显腺实质内可见一腺泡充盈缺损,边缘光滑完整,分支导管受压移位;部分末梢导管呈...
下列利率期货合约的标的中,()属于资本市场利率工具。A可转让定期存单B欧元C美国政府长期国债D商业票据
购买人没有明确的购买目的,看到周围的人购买,自己也跟着购买的需求,即为()。A.消费需求B.投资需求C.投机需求D.跟风需求
居家装饰装潢有限责任公司拟为其2万名装修工人投保人身保险,委托保险经纪人A公司为其选择一款性价比高的保险产品。根据保险法律制度的规定,有关A公司的地位及保...