更多“保监会发行的《保险资金投资债券暂行办法》规定可投资的债券品种”相关的问题
系统处理流程设计是系统模型的进一步具体化，使软件设计的初步形式，也是（）的主要依据.
A . MIS
B . 程序设计
C . 管理系统
D . 原始数据
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国产黑客软件"冰河"与所有的（）程序一样，当"冰河"的服务器端程序G_Server.exe一旦被某台电脑的使用者所执行，虽然在表面上看不出任何变化；但事实上，该服务器端程序已悄悄地进驻该机的注册表。
A、蠕虫
B、缓冲区溢出
C、特洛伊木马
D、拒绝服务攻击
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中世纪文学的特征有（）。
A.寓意色彩 B.象征色彩 C.梦幻色彩 D.神秘色彩 E.民间文学色彩
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流量传感器在使用前，必须充分阅读（）后才能使用并操作。
A.安全注意事项
B.使用注意事项
C.生产工艺
D.设置的方法
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高级组经理A育成高级组经理B，若B先于A晋升为区域总经理，请问A与B是否还存在组育成关系（）
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气举阀用于分段（）井筒压力。
A . A、升高
B . B、降低
C . C、平衡
D . D、既不升高也不降低
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目前制动液可分为几种（）。
A.醇型 B.矿油型 C.合成型 D.半合成型
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持票人不享有票据权利的情形是（）。
A．因继承取得票据
B．出票人与持票人的前手有纠纷
C．以欺诈手段取得票据
D．出票人没有足够资金支付
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在稳定波场中，假定波浪在传播的过程中，既没有能量输入也没有能量损失，波能只沿着（）传播。
A.横向
B.纵向
C.波向
D.波向反向
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Any brain exercise is better than being a total mental couch potato. But the activities with the most (1) are those that require you to work beyond what is easy and comfortable. Playing (2) rounds of games and watching the latest documentary marathon on the History Channel may not be enough. Just as your muscles grow stronger with use, mental exercise keeps your mental skills and memory in tone. But what kind of exercise is best for the brain ？ Here are some suggestions. Be a lifelong learner. Continuing to learn new things can build and (3) the connections between brain cells.(4) your brain. Think of all mental activities as a continuous whole. Watching a TV documentary would be on the passive, mildly challenging end of the (5) , while learning how to converse in a new language would be on the active, very challenging end. When it comes to cognitive reserve, (6) challenging tasks have the biggest impact. Get uncomfortable. One stereotype of aging is that young people are bold explorers but older people are (7) homebodies who "know what they like." Getting out of your comfort zone from time to time challenges your mental skills. An example of this would be traveling to a city that you haven’t been to before, which forces you to (8) unfamiliar surroundings. Be social. Social (9) , aging researchers have discovered, puts people at risk of losing some of the brain reserves they have built up over a lifetime. There are many ways to be social. One good way is working as a volunteer in a social setting, which allows you to have contact with (10) types of people and puts you in new situations.
Any brain exercise is better than being a total mental couch potato. But the activities with the most (1) are those that require you to work beyond what is easy and comfortable. Playing (2) rounds of games and watching the latest documentary marathon on the History Channel may not be enough. Just as your muscles grow stronger with use, mental exercise keeps your mental skills and memory in tone. But what kind of exercise is best for the brain ？ Here are some suggestions.
Be a lifelong learner. Continuing to learn new things can build and (3) the connections between brain cells.(4) your brain. Think of all mental activities as a continuous whole. Watching a TV documentary would be on the passive, mildly challenging end of the (5) , while learning how to converse in a new language would be on the active, very challenging end. When it comes to cognitive reserve, (6) challenging tasks have the biggest impact.
Get uncomfortable. One stereotype of aging is that young people are bold explorers but older people are (7) homebodies who "know what they like." Getting out of your comfort zone from time to time challenges your mental skills. An example of this would be traveling to a city that you haven’t been to before, which forces you to (8) unfamiliar surroundings.
Be social. Social (9) , aging researchers have discovered, puts people at risk of losing some of the brain reserves they have built up over a lifetime. There are many ways to be social. One good way is working as a volunteer in a social setting, which allows you to have contact with (10) types of people and puts you in new situations.
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普查原发性肝癌最常用的影像学检查是
A．放射性核素肝扫描B．肝脏CTC．肝脏MRID．肝脏B超E．腹部X线片
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电缆排管敷设时，电缆盘定位后，应（）
A.架起电缆盘
B.拆开电缆盘封板
C.拉出电缆
D.安装牵引头
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根据JB/T 4730.3-2005《承压设备无损检测》标准规定：探伤至少在荧光屏满刻度80%范围内呈线性显示，其含义为：（）。
A.在荧光屏满刻度80%以下范围内，垂直线性符合仪器标准要求
B.在荧光屏满刻度80%以下范围内，水平线性符合仪器标准要求
C.探伤仪利用试块产生幅度比为2：1两个互不干扰信号，改变增益，使其两回波比值的误差在5%范围内，由此得到的垂直极限范围应不少于荧光屏满刻度的80%
D.探伤仪利用试块产生幅度比为2：1两个互不干扰信号，改变增益，使两回波从荧光屏满刻度80%降至回波高度为满刻度5%范围内的垂直线性符合标准要求
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