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Cell Phone Lets Your Secret
Out Your cell phone holds secrets about you. Besides the names and {{U}} (51) {{/U}} that you’ve programmed into it, traces of your DNA linger(逗留) on the device, according to a new study. DNA is genetic(遗传的) material that {{U}} (52) {{/U}} in every cell. Like your fingerprint, your DNA is unique to you {{U}} (53) {{/U}} you have an identical twin. Scientists today routinely analyze DNA in blood, saliva(涎，唾液), or hair left {{U}} (54) {{/U}} at the scene of a crime. The results often help detectives identify {{U}} (55) {{/U}} and their victims. Your cell phone can reveal more about you {{U}} (56) {{/U}} you might think. Meghan J. McFadden, a scientist at McMaster University in Hamilton, Ontario, heard about a crime in which A. appeals B. appoint C. appears D. applies [单项选择]Generally speaking, the bird flying (across) our path is observed, and (the one) staying on the tree near (at hand) is passed by (without noticed).
A. across B. the one C. at hand D. without noticed [判断题] ( 判断题 ) 电弧电压越高切割功率越大,切割速度及切割厚度都相应降低。( )
A.正确 B.错误 [单选题] TYJL-II型计算机联锁系统在双机非同步状态下人工切换联锁机,切换后系统的状态为()。
A.同切换前 B.死机状态 C.故障状态 D.全站锁闭 [多项选择]内地甲公司和澳门乙公司签订建筑工程合同，约定合同发生争议由澳门某仲裁机构仲裁。发生争议后，澳门某仲裁机构依据澳门仲裁法规作出仲裁裁决后，甲公司不履行，乙公司可以向下列哪些法院申请认可和执行
A. 向内地甲公司住所地基层人民法院申请认可 B. 向作出仲裁裁决的澳门仲裁委员会所在地中级人民法院申诉执行 C. 向财产所在地中级人民法院申请认可 D. 向内地甲公司住所地中级人民法院申请执行 [判断题]一旦被毒蛇咬伤，应采取如下措施：保持冷静，静卧休息，伤肢制动、低放；切忌奔跑，以免加速毒素吸收.
A.正确 B.错误 [判断题]拆除管道及容器时,不用查清其残留物的种类、化学性质,采取相应措施后,方可进行拆除施工。( )
A.正确 B.错误 [单选题]线路发生红光带时,现场巡检应慢走细看,巡查时间不得超过( )分钟。
A.15 B.30 C.45 D.60 [判断题]无缝线路的防爬设备安装，应按设计规定，设置齐全，作用良好。
[单项选择]在大堂醒目位置（）CM处粘贴“小心地滑”标识，未粘贴“小心地滑”标识的要放置“小心地滑”标识。
A. 40 B. 60 C. 80 D. 100 [判断题]加快线上渠道推广应用，有效利用“电e宝”电费小红包、交费盈、账户余额等营销产品，开展渠道推广引流 和精准营销活动。
A.正确 B.错误 [单选题]海关视频监控摄像头编码(ID号)是海关视频监控摄像头的唯一标示,统一编码为( )位数字
A.18 B.20 C.22 D.16 我来回答: 提交
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