更多“划归一个矿山企业开采的矿床或其中一部分叫做矿田;划归一个矿井”相关的问题
为了能加工出型腔的全部形状,铣刀端部的圆弧半径必须大于被加工表面凹入部分的最小半径。
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先天性支气管扩张由于支气管软骨发育缺陷所致,常见于()
A.婴儿
B.年长儿
C.幼儿
D.学龄前儿童
E.学龄期儿童
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The study of philosophies should make our own ideas flexible. We are all of us apt to take certain general ideas for granted, and call them common sense. We should learn that other people have held quite different ideas, and that our own have started as very original guesses of philosophers. A scientist is apt to think that all the problems of philosophy will ultimately be solved by science. I think this is true for a great many of the questions on which philosophers still argue. For example, Plato thought that when we saw something, one ray of light came to it from the sun, and another from our eyes and that seeing was something like feeling with a stick. We now know that the light comes from the sun, and is reflected into our eyes. We don’ t know in much detail how the changes in our eyes give rise to sensation. But there is every reason to think that as we learn more about the physiology of the brain, we shall do so, and that the great philosophical problems about knowledge are going to be pretty fully cleared up. But if our descendants know the answers to these questions and others that perplex ns today, there will still be one field of which they do not know, namely the future. However exact our science, we cannot know it ns we know the past. Philosophy may be described as argument about things of which we are ignorant. And where science gives us a hope of knowledge it is often reasonable to suspend judgment. That is one reason why Marx and Engels quite rightly wrote to many philosophical problems that interested their contemporaries. But we have got to prepare for the future, and we cannot do so rationally without some philosophy. Some people say we have only got to do the duties revealed in the past and laid down by religion, and god will look after the future. Other say that the world is a machine and the course of future events is certain, whatever efforts we may make. Marxists say that the future depends on ourselves, even though we are part of the historical process. This philosophical view certainly does inspire people to very great achievements. Whether it is true or not, it is powerful guide to action. We need a philosophy, then, to help us to tackle the future. Agnosticism easily becomes an excuse for laziness and conservatism. Whether we adopt Marxism or any other philosophy, we cannot understand it with-out knowing something of how it developed. That is why knowledge of the history of philosophy is important to Marxists, even during the present critical days.
A.Two.B.Three.C.Four.D.Fiv
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如果f'(x)存在,则[∫df(x)]'=( ). A.f(x); B.f'(x); C.f(x)+C; D.f'(x)+C.
A.
B.f(x);
C.f'(x);
D.f(x)+C;
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关于脓肿的叙述,下列哪项是正确的
A.为弥漫性化脓性炎
B.为局限性化脓性炎
C.一定有脓腔形成
D.局部组织增生明显
E.中性粒细胞弥漫浸润
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关于选择结构下列哪个说法正确?( ) A.if语句和else语句必须成对出现 B.if语句可以没有else语句对应 C.switch结构中每个case语句中必须用break语句 D.switch结构中必须有default语句
A.if语句和else语句必须成对出现B.if语句可以没有else语句对应C.switch结构中每个case语句中必须用break语句
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一般来说,()是物流系统规划与设计层次。
A . A、执行层面
B . B、战略层面
C . C、策略层面
D . D、运作层面
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43.下列对慢性缩窄性心包炎的概述,错误的是A.心包慢性炎症致心包增厚、粘连、钙化B.除结核性心包炎外,多数病因不明C.心脏舒张和收缩受限,心功能减退,血液循环障碍D.有效血管床扩张,循环血量减少E.静脉压增加,肺淤血、肺静脉及肺动脉压力升高
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在对患者进行止血带止血法时,上止血带的部位应在上臂的什么部位()
A.1/3处
B.1/4处
C.2/3处
D.3/5处
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目前生产的钢筋混凝土电杆(或预应力钢筋混凝土电杆),有等径环形截面和拔梢环形截面两种。( )
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传统佳节来临之际各商家纷纷拉开促销序幕,如买一送一、折扣优惠等营销方法。根据以上描述,此种战略属于______。
A.市场渗透 B.市场开发 C.产品开发 D.多元化战略
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手机可以充当房门钥匙、信用卡、交通卡、会员证、各种票据(如地铁票、火车票),甚至可直接用于超市购物。虽然现在听起来觉得有些不可思议,但在3G发展较快的国家,这已不是新鲜事。 由于3G网络已经十分成熟,日本的运营商让手机也具备了不少“神奇”功能。比如用手机乘坐地铁和购物,只需将手机放在读卡器上轻轻一刷,电脑联网直接从话费里扣除地铁票价(或者购物总费用)即可。据介绍,这一手机万能模式在日本已经拥有2200万用户。而中国的运营商们也正在大力推广手机钱包、手机电子票等业务,借鉴国外成功模式,中国的“万能手机”正在逐步变成现实。
A.乘坐地铁 B.商场购物 C.接打电话 D.乘坐飞机
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在叙事、说明和推理性文章中,多数段落都有一个主题句。主题句的位置一般位于()。
A.第一句和结尾句B.结尾句和第二句C.第二句和中间D.第一句和中间
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绿地之间应尽可能建造栖息走廊,以免隔离生物的栖地。
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达达主义无理性的电影实验:达达主义的艺术家们以无政府主义者巴枯宁的“()”的政治口号作为自己的美学信条,以文艺复兴时期的绘画杰作作为讽刺的对象,向传统艺术观进行挑战。最具有代表意义的是杜桑的《()》。曼·雷伊的《()》是达达主义的第一部作品。达达主义者就是寻求这种所谓“机器和阳伞在手术台上突然相遇的美”。雷内·克莱尔拍摄的《()》是达达主义最为杰出的一部代表作品。
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