更多“混流式水轮机主轴中心孔可用于（）。”相关的问题
《党政机关公文处理工作条例》规定,现行公文的种类共有( )种。
A. 12 B. 13 C. 14 D. 15
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铁路职工玩忽职守、违反规章制度造成铁路运营事故，情节严重、构成犯罪的，依照刑法有关规定追究（）。
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香蕉推荐较好复合肥氮磷钾比例为（）。
A.11-9-25或10-6-24 B.20-12-13或20-10-10 C.14-11-20或16-5-19 D.15-15-15
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Culture means the total life way of ( ) acquires from his group.
A. Animals B. a people C. the social legacy D. the technology
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大型运输、吊装工程必须编制（），大型吊装工程在起吊前必须签发（）。
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毛泽东明确挂出了新民主主义的三大经济纲领是在（ ）。
A . 《目前形势和我们的任务》
B . 《论联合政府》
C . 《在中共七届二中全会上的讲话》
D . 《新民主主义论》
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某咯血患者出现张口瞪目，两手乱抓等窒息表现，护士首先应该采取的措施是（）。
A.准备抢救用品
B.行人工呼吸
C.使用呼吸中枢兴奋药
D.使用镇咳药
E.立即置患者头低足高位
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碳化程度最高的煤是（）。
A、贫煤
B、褐煤
C、烟煤
D、无烟煤
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In this section you arc required to write an essay in accordance with the following requirements:
A. Title: Western Development in China
B. Time limit: 40 minutes
C. Word limit: 180-200 words
D. Your composition must be written on the ANSWER SHEET.
', "Western Development in China Western Development is now being highly regarded as the national policy (movement) which means more supports from the provisions of wealth to the West of China—an economically poor area. Not only do they need more advanced science and technology but they also need great financial support. Most important of all the talent will contribute a lot to the development of the West of China. As the tendency of social progress the Western Development meets the requirements of both people and society. Through which more fruits of science and technology will be tasted (appreciated) in production. More progresses will be made in economic activity. And people's living standard will be greatly improved. What's more people can enjoy both a better school and a richer cultural life as the result of the Western Development. In my opinion Western Development is of great significance. More attentions however must be paid to it simultaneously. We should suit the assistance to the local condition. And we should also make full use of the support efficiently. Last but not feast we should protect our environment as well to make it sustainable. We hold it evident that we should make a new myth combining the myth of Sustainability and myth of Grand Narratives of Progress as the guiding myth to make great progress. Only in this way can we truly carry out the policy of Western Development and bring prosperity to the West of China.
Western Development in China Western Development is now being highly regarded as the national policy (movement), which means more supports from the provisions of wealth to the West of China—an economically poor area. Not only do they need more advanced science and technology, but they also need great financial support. Most important of all, the talent will contribute a lot to the development of the West of China. As the tendency of social progress, the Western Development meets the requirements of both people and society. Through which, more fruits of science and technology will be tasted (appreciated) in production. More progresses will be made in economic activity. And people's living standard will be greatly improved. What's more, people can enjoy both a better school and a richer cultural life as the result of the Western Development. In my opinion, Western Development is of great significance. More attentions, however, must be paid to it simultaneously. We should suit the assistance to the local condition. And we should also make full use of the support efficiently. Last but not feast, we should protect our environment as well to make it sustainable. We hold it evident that we should make a new myth, combining the myth of Sustainability and myth of Grand Narratives of Progress, as the guiding myth to make great progress. Only in this way, can we truly carry out the policy of Western Development, and bring prosperity to the West of China.", '
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A . 次生环境问题B . 环境污染C . 原生环境问题D . 环境破坏
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急性单纯性阑尾炎A.阑尾壁有纤维组织增生B.阑尾黏膜上皮非典型增生C.阑尾壁内炎细胞浸润，各层均见出血、坏死D.黏膜层和黏膜下层充血、水肿，较多中性粒细胞浸润E.阑尾全层弥漫性中性粒细胞浸润
A.阑尾壁有纤维组织增生
B.阑尾黏膜上皮非典型增生
C.阑尾壁内炎细胞浸润，各层均见出血、坏死
D.黏膜层和黏膜下层充血、水肿，较多中性粒细胞浸润
E.阑尾全层弥漫性中性粒细胞浸润
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You are working on the PROD database， which is in NOARCHIVELOG mode. You lost the active online redo log group due to a media failure. How should you recover your database？（）
A.Restore the database from a whole consistent backup and start the database in MOUNT mode. Then， open the database with the RESETLOGS option after performing a cancel-based recovery. B.Restore the database from a whole consistent backup and start the database in MOUNT mode. Then， drop the lost redo log group and open the database with the RESETLOGS option after performing a cancel-based recovery. C.Restore the database from a whole consistent backup and start the database in MOUNT mode. Then， clear the lost redo log group and open the database with the RESETLOGS option after performing a cancel-based recovery. D.Do nothing. You do not need to recover the database in this case； an instance recovery will be performed by the SMON process on startup.
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根据材料一，明朝中国的白银供给主要来源于哪里？分析这种现象出现的历史背景。
货币是用作交易媒介、储藏价值和记帐单位的一种工具，是专门在物资与服务交换中充当等价物的特殊商品。在现代经济中，货币起着根本性的作用。
材料一：中国获得了世界白银供给的一个相当巨大的份额。彼埃尔·肖努曾估计，美洲白银的1／3以上最终流人中国；魏斐德估计，约有一半的美洲白银落户中国；梁方仲认为，约占世界银产量15%的日本白银，也几乎全部进入中国。如果我们接受巴雷特提供的数据，即从1493年到1800年，全世界约85%的白银都产自美洲，那么世界白银产量的43%至57%可能都留在了中国。在众多版本中，VonGlahn的估讦最为低调，他认为从16世纪中期到17世纪中期，流入中国的白银占世界产量的1／30。相比而言，弗兰克关于中国获得世界银产量的一半的估计或许更接近真实情况。
——据高程《海外白银的输入与晚明中国商人阶层的兴起》
材料二：1935年，为防止白银外流，国民政府实行“币制改革”，规定白银国有，统一发行法币，以法币代替银元，作为市场唯一流通货币。
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