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
33
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.
(1)
选项
A names
B pictures
C traces
D shapes
答案
C
解析
转载请注明原文地址:https://ti.zuoweng.com/ti/NJsQKKKQ
相关试题推荐
Thepolicemanwrotedownalltheparticularsoftheaccident.A:secrets B:detail
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...
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。 TheToughGrassth...
随机试题
酶在社会生产、生活中的应用越来越广泛。下列说法错误的是( )。
为扁圆柱形或圆柱形,表面金黄色、绿黄色或棕黄色,有深纵沟或纵棱的是( )
一般情况下,金融衍生工具具有两个显著特征,它们是()。
患者男,因十二指肠溃疡幽门梗阻入院,为减轻其不适,最佳的洗胃时间为
我国现有文献中最早引用勾股定理的是( )。 A.《九章算术》
非经济薪酬:是指员工从自身工作中得到的报酬,指员工由于努力工作受到表扬、晋升与重
功能性消化不良的主要病理生理学基础A.幽门螺杆菌感染B.上胃肠道动力障碍C.应激因素D.胃肠动力学异常和内脏感觉异常E.精神因素
处方写梭罗子应付A.椿皮B.墨旱莲C.娑罗子D.沙苑子E.蒺藜
由国家统一制定,各地不得调整的是A.《基本医疗保险药品目录》中的“甲类目录”B.《基本医疗保险药品目录》中的“乙类目录”C.《基本医疗保险药品目录》中的中药
下列各项中,属于法律事实的有:《》()A.主体B.行为C.客体D.事件E.内容