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
30
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.
(11)
选项
A of
B with
C by
D for
答案
A
解析
转载请注明原文地址:https://ti.zuoweng.com/ti/4f9QKKKQ
相关试题推荐
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。 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。 ADoctorinthe...
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
甲公司拍得一宗建设用地使用权,准备在上面建造厂房,于是以该建设用地使用权作为抵押
H2受体阻断药的临床主要用途 A、抗过敏 B、呕吐 C、消化道溃疡
根据《银行业监督管理法》的规定,下列哪些选项是错误的? A.进行现场检查,检察
药物的亲脂性与生物活性的关系是
王某承租李某的住房后,自己打算将其转租给朋友,下列关于王某转租的说法错误的是(
男性,20岁,发热2周,体温38~39℃,检查皮肤散在紫癜,颈部及腋下可触及0.
患者孕4月余,妊娠腹形明显小于妊娠月份,胎儿存活,腰膝酸软,纳少便溏,形寒畏冷,手足不温,舌质淡,苔白,脉沉迟。治疗应首选的方剂是A:安奠二天汤合胎元饮B:寿
关于保健食品的说法,错误的是A.适用于特定人群,具有调节机体功能人生用B.声称保健功能的,应当具有科学依据C.不得对人体产生急生怕、亚急性或慢性危害D.可
某实施监理的项目,通过招投标选择了A建筑公司作为该项目的总承包单位,在施工过程中,由于A公司对地基和基础工程的施工存在一定的技术欠缺,将此分部工程分包给B...
根据证券投资组合理论,在其他条件不变的情况下,如果两项资产的收益率具有完全正相关关系,则该证券投资组合不能够分散风险。