更多“以下哪个是成人学习困难的身心原因？（）”相关的问题
各保险公司作为市场活动的参与者，其实力和资源会有所差异，因而处于不同的市场地位，同时不同市场地位的公司采取的竞争战略也会有所不同。关于市场地位与竞争战略选择，以下说法错误的是（）。
A . 市场领先者是在人身保险市场上占有最高市场份额的保险公司
B . 市场挑战者的行为方式有两种，一是攻击市场领先者以夺取市场份额，二是参加竞争但不扰乱竞争格局
C . 市场跟随者常用的抗争战略包括：正面进攻、侧翼进攻、迂回进攻和游击进攻
D . 市场补缺者通常在市场竞争中选择专业化战略，表现为客户群、产品、服务、渠道、区域等专业化
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采用镗模法加工箱体孔系时，孔系位置精度主要取决于( )。 A．主轴精度 B．导轨的直线度 C．镗模的精度 D．机床传动精度
A.主轴精度B.导轨的直线度C.镗模的精度
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引起输尿管梗阻最常见的原因是（）
A.结核
B.炎症
C.肿瘤
D.外伤
E.以上都不是
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教师职业道德区别于其他职业道德的显著标志就是团结协作。
A . 正确
B . 错误
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出纳部门零星项目的现金收入业务处理流程是反映企业因收取等在出纳部门直接收取______现金的业务处理过程
A．定金B．赔款C．押金D．租金E．罚金
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下列会计科目中,不属于资产类的是( )。
A. 应收账款 B. 预付账款 C. 应付账款 D. 长期股权投资
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提取原生苷类化合物可采用的溶剂有 A．冷水加热 B．沸水 C．酸水浸泡 D．70%～80%的乙醇 E．碱水浸泡
A.冷水加热B.沸水C.酸水浸泡D.70%～80%的乙醇
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In the seventeenth century, European soldiers who came across some Indian groups in the western Great Lakes found that several native tribes were living in the area without a formal leadership system. They appeared to be 'quite friendly with each other without a formal authority!' Not only did the Indians appear to lack a formal system of authority, but they also deeply hated any efforts to control their actions. All members of the tribes knew what was required of them by life long familiarity with the tasks of the area. These tasks tended to be simple, since the Indian' s rate of social change was slow. Thus, although subgroups such as soldiers had recognized leaders, no real authority was required. Rather than giving direct orders (which were considered rough), members of the tribes would a- rouse others to action by examples. It would be difficult, if not impossible, to carry out such a system in our own society. Most of us have grown up under 6ne authority or another for as we can remember. Our parents, our teachers, our bosses, our government all have the recognized fight under certain conditions to tell us what to do. The authority is so much a part of our culture that it is hard for us to imagine a workable society without it. We have been used to relying on authority to get things done and would probably be uncomfortable with the Indian methods of examples on a large scale. Of course, the major reason why the Indian system would not be suitable for us is that our society is too large. The number of tasks that various members of our society have to perform. often under tight time and resource limitations could not be treated by the Indian system. In modern societies, the formal authority system is necessary to achieve any social objectives.Which of the following sentences is correct according to the passage?A．From 1710 to 1780, European soldiers came across some Indian groups in the western Great Lakes.B．European soldiers were quite friendly to the Indian groups.C．The Indian groups had no leaders.D．The Indian groups only obeyed their own gods.
A.B.C.WhichD.FromE.B．EuropeanF.C．TheG.D．TheH.
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既可抑制白细胞介素-2生成，又可抑制干扰素产生的药物是：
A．糖皮质激素
B．烷化剂
C．抗代谢药
D．左旋咪唑
E．环孢素
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我国汽车维修制度的原则是：“预防为主，视情维护，强制修理”
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医疗照射的控制原则有（）
A.正当化原则
B.最优化原则
C.最小化原则
D.剂量指导水平
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某患者，上颌牙列完整，缺失，Ⅲ度松动，牙槽骨吸收近根尖，Ⅱ度松动，龈缘红肿，临床冠长，牙槽骨高度降低至根长1/2。 如果保留，采用长冠基牙覆盖义齿修复最主要的缺点是（）
A.基牙受扭力过大
B.义齿固位差
C.义齿不美观
D.义齿强度差
E.牙槽嵴负担重
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古代世界大多数国家是官僚政体，只有希腊是民主政体。
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学前儿童科学教育活动的经费来源主要有（）
A.政府和幼儿园投入的资金
B.自营产业获得的收入
C.家长的资助
D.辖区单位的赞助
E.幼儿园自身的营利
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操作系统必须提供一种启动进程的机制。在Windows和OS/2中启动进程的函数是______。
A．EXEC函数
B．CreateProcess
C．COMMAND
D．SYS.INI
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