A controversy erupted in the scientific
community in early 1998 over the use of DNA (deoxyribonucleic acid)
fingerprinting in criminal investigations. DNA fingerprinting was introduced in
1987 as a method to identify individuals based on a pattern seen in their DNA,
the molecule of which genes are made. DNA is present in every cell of the body
except red blood cells. DNA fingerprinting has been used successfully in various
ways, such as to determine {{I}}paternity{{/I}} (父亲的身份) where it is not clear who
the father of a particular child is. However, it is in the area of criminal
investigations that DNA fingerprinting has potentially powerful and
controversial uses. DNA fingerprinting and other DNA analysis techniques have revolutionized criminal investigations by giving investigators powerful new tools in the attempt to p A. DNA testing should be systematized B. only authorized laboratories can conduct DNA testing C. the academy only is authorized to work out standards for testing D. the academy has the right to accredit laboratories for DNA testing [单选题]甲盗窃了一辆50余元的自行车,3天后又盗窃了一辆100余元的自行车,对甲违反治安管理的行为,应当()
A. 分别作出治安管理处罚决定,合并执行 B. 甲的行为是连续盗窃行为,作一个治安管理处罚决定 C. 法律没有明确规定,难以处理 D. 以上都不对 [单项选择]女性,45岁,幽门梗阻行持续胃肠减压半月余,每日补10%葡萄糖2500ml,5%葡萄糖盐水1000ml,10%氯化钾30ml。2天前开始出现全腹膨胀,无压痛及反跳痛,肠鸣音消失,每日尿量1500ml左右,最可能的原因是( )。
A. 低钾血症 B. 低钠血症 C. 高钾血症 D. 高钠血症 E. 低钙血症 [名词解释]蕉叶纹
[单选题]转辙机锁闭后,动接点与静接点组的接触深度两侧相差不大于( )。
A.1.0mm B.1.5mm C.2.0mm D.2.5mm [单项选择]商业银行通过互联网开办与证券业、保险业直接相关的新的业务品种适用()
A. 审批制 B. 备案制 C. 核准制 D. 报告制 [多选题]全方位外交布局深入展开,其成就包括以下哪些方面( )
A.实施共建“一带一路”倡议 B.倡导构建人类命运共同体 C.促进全球治理体系变革 D.为世界和平与发展作出新的重大贡献 我来回答: 提交
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