更多“根据农村土地用途不同，农村土地可以划分为()。”相关的问题
数据格式的转换、数据的压缩、数据加密等发生在OSI的（）
A.应用层 B.会话层 C.表示层 D.网络层
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《证券法》中的证券经营机构主要就是指__________（）
A . A、银行
B . B、证券公司
C . C、保险公司
D . D、财务公司
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用随机取数法占筮时，若动爻数大于6，用这个数除以6所得的余数作为卦数。
A.对 B.错
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以下不必持有特种作业操作证上岗的工种是（）
A . 施工电梯司机
B . 电气焊工
C . 登高架设作业人员
D . 钢筋工
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肝硬化门静脉高压的表现是（）
A.营养障碍B.出血倾向C.肝掌D.腹水E.肝大
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If it were only necessary to decide whether to teach elementary science to everyone on a mass basis or to find the gifted few and take them as far as they can go, our task would be fairly simple. The public school system, however, has no such choice, for the two jobs must be carried on at the same time. Because we depend so heavily upon science and technology for our progress, we must produce specialists in many fields. Because we live in a democratic nation, whose citizens make the policies for the nation, large numbers of us must be educated to understand, to support, and when necessary, to judge the work of experts. The public school must educate both producers and users of scientific services. In education there should be a good balance among the branches of knowledge that contribute to effective thinking and wise judgement. Such balance is defeated by too much emphasis on any one field. This question of balance involves not only the relation of the natural sciences, the social sciences, and the arts but also relative emphasis among the natural sciences themselves. Similarly, we must have a balance between the current and classical knowledge. The attention of the public is continually drawn to new possibilities in scientific fields and the discovery of new knowledge; these should not be allowed to turn our attention away from the sound, established materials that form the basis of courses for beginners.
A. the current public school system is too complicated to be understoodB. the public school system has no choice of what to teachC. it is difficult to decide whether elementary science should be taught in public schoolsD. the educators should take care of both ordinary and gifted students
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患者男，54岁。高血压病史5年余，今日生气后血压突然升高，为220/120mmHg，伴剧烈头痛，头晕，烦躁，恶心，呕吐。治疗应首选的药物是
A.硝苯地平缓释片 B.尼群地平 C.地尔硫 D.硝普钠 E.哌唑嗪
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蒸汽机：内燃机A. 喷气机：战斗机 B. 中药：西药 C. 平板电视：液晶电视 ###SXB##
蒸汽机：内燃机
A. 喷气机：战斗机
B. 中药：西药
C. 平板电视：液晶电视
D. 脉冲电话：数字电话
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向一般纳税人采购非自产砂、土、石料，取得17%税率增值税专用发票，抵扣进项税。
A . 正确
B . 错误
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下列哪项不属于TMD患者选择正畸治疗的适应证（）.
A.有致病
因素障碍
B.关节有不可逆的器质性损害
C.对已有关节结构紊乱及关节盘附着松弛的错
患者，应视情况而定
D.早期关节盘可复性移位者
E.早期关节盘不可复性移位者
（）在示教器中配置I/O信号前必须先配置I/O板。
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黄土村上过小学的人，只要现年不超过25岁，都是辛老师的学生，该村的人没有一个不认识辛老师。赵大认识辛老师，黄土村的李兰是赵大的老婆，她现年24岁，14岁时才小学毕业。由此可以推出 ( )。
A．赵大不是黄土村人
B．李兰是辛老师的学生
C．赵大是黄土村人
D．赵大不是辛老师的学生
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以下哪项不是肺癌的常见症状？（ ）
A.咳嗽 B.血痰 C.胸痛 D.发热 E.盗汗
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口服敌百虫农药中毒后，禁用（）洗胃，以免生成毒性更强的（）。
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保险公司的实际投资收益率低于预计利率时所产生的损失是指（）。
A.费差损
B.利差损
C.死差损
D.预期损
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