更多“某投资方案实施后有三种可能：情况好时，内部收益率可达到20%”相关的问题
既是生长发育鼎盛时期，也是性成熟的初期阶段是()
A．幼儿期
B．新生儿期
C．青年期
D．青年末期
E．少年期
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加试附加题考场的考生开始作答试卷Ⅱ时，监考员应认真核对无误、检查收齐（）后并装袋，不再取出，以确保其安全。
A、答题卡Ⅰ
B、试卷Ⅰ
C、草稿纸
D、答题卡Ⅱ
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②异常是（）增多，可能患（）病，该输B型血。
下表是三个被检验者的血常规检查表。
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若保函/备用信用证的受益人为中国农行，下列说法正确的是：（）
A.中国农行只接受见索即付保函/备用信用证
B.对于适用于法律的保函应提交同级法律部门审核
C.由于较难确定保函/备用信用证的真实性，中国农行不接受信开保函
D.保函/备用信用证的索偿方式一般应为电索。如为信索，保函/备用信用证的失效地点应在中国农行
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通风安全检测仪表不必由国家授权的安全仪表计量检验单位进行检验。
A . 正确
B . 错误
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从某种意义上说，信息技术是对特定人体器官的扩展，其中计算机和智能技术可以认为是对人体（）的扩展。
A.感觉器官
B.神经器官
C.效应器官
D.思维器官
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如果被保险人在保险期间遭受意外事故，在责任期内死亡，保险人承担保险责任的情况是（）。
A.承担全部保险责任 B.不承担任何保险责任 C.承担部分保险责任 D.仲裁解决
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较易诱发心脏毒性的 H1受体阻断药是
A．苯海拉明 B．氯雷他定 C．西替利嗪 D．氯苯那敏 E．特非那定
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卫生保健八项内容是指：健康教育、合理营养、饮水和环境卫生、妇女儿童保。()
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错办或未及时办理信号导致列车停车指1、因办理不及时或忘办、错办信号使列车在站外或站内停车；2、（）3、接发列车人员未及时或错误显示手信号，使列车停车。
A.禁止同时接车的车站或不准同时接入站内的列车，使两列车均在站外停车
B.误使两列车均在站外停车
C.禁止同时接车的车站或不准同时接入站内的列车，误使两列车均在站外停车
D.禁止同时接车的车站或不准同时接入站内的列车，误使两列车均接入站内
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下列设施或场所不属于受限空间的是（）。
A.反应器
B.污水池
C.储槽
D.配电室
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江西曾涌现出徐孺子、陶渊明、欧阳修、曾巩、王安石、朱熹、文天祥、汤显祖、八大山人、陈寅恪、詹天佑等一大批学识渊博、才华横溢的历史名人。他们或思想深邃，独树一帜;或政绩卓著，留史青古;或技艺超群，影响深远;或正气凛然，名垂青史。在不同的文化层面上、不同的历史进程中，彰显出知识的光辉。()
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男性，25岁，心悸、心前区闷痛一周，呼吸困难一天入院。体检：心界扩大，心音低钝，胸骨左缘4肋间可闻及摩擦音。肝大，压痛阳性。心脏超声检查可见心包腔内液性暗区。急性心包炎心包大量积液时最突出的症状是（）
A . A.心前区疼痛
B . 发热
C . 呼吸困难
D . 声音嘶哑
E . 吞咽困难
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在蒸汽吞吐的一个周期中，要经过（）3个阶段。
A.注汽、关井、开井
B.注汽、焖井、采油
C.关井、注汽、开井
D.焖井、注汽、采油
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While it"s true that just about every cell in the body has the instructions to make a complete human, most of those instructions are inactivated, and with good reason. The last thing you want is for your brain cells to start producing stomach acid or your nose to turn into a kidney. The only time cells truly have the potential to turn into any and all body parts is very early in a pregnancy, when so-called stem cells haven"t begun to specialize.Yet this untapped potential could be a terrific boon to medicine. Most diseases involve the death of healthy cells--brain cells in Alzheimer"s, cardiac cells in heart disease, pancreatic cells in diabetes, to name a few. If doctors could isolate stem cells, then direct their growth, they might be able to furnish patients with healthy replacement tissue. It was incredibly difficult, but last fall scientists at the University of Wisconsin managed to isolate stern cells and get them to grow into neural, muscle and bone cells. The process still can"t be controlled, and may have unforeseen limitations. But if efforts to understand and master stem-ceil development prove successful, doctors will have a therapeutic tool of incredible power.The same applies to cloning, which is really just the other side of the coin. True cloning, as first shown with Dolly the sheep two years ago, involves taking a developed cell and reactivating the genome within, resetting its developmental instructions to a pristine state. Once that happens, the rejuvenated ceil can develop into a full-fledged animal, genetically identical to its parent.For agriculture, in which purely physical characteristics like milk production in a cow or low fat in a hog have real market value, biological carbon copies could become routine within a few years. This past year scientists have done for mice and cows what Ian Wilmut did for Dolly, and other creatures are bound to join the cloned menagerie in the coming year.Human cloning, on the other hand, may be technically feasible but legally and emotionally more difficult. Still, one day it will happen. The ability to reset body cells to a pristine, undeveloped state could give doctors exactly the same advantages they would get from stem cells: the potential to make healthy body tissues of all sorts, and thus to cure disease. That could prove to be a tree "miracle cure".
A．cells in the nose do not contain instructionsB．nose does not contain brain cellsC．instructions in a nose cell are inactivatedD．the stem ceils have not been specialized
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