| IP地址 | 126.150.28.57 |
| 子网掩码 | 255.192.0.0 |
| 地址类别 | ______ |
| 网络地址 | ______ |
| 直接广播地址 | ______ |
| 主机号 | ______ |
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| (78){{U}}Professor Martin’s report says that children
who attend a number of different schools, because their parents have to move
around the country, probably make slow progress in their studies.{{/U}} There are
also signs, says Professor Martin, that an unusually large number of such
children are mentally (精神上) affected. The professor says, "It’s true. My personal feeling is that children should stay in one school. However, our findings are based on research and not on any personal feelings that I or my assistants may have on the subject." Captain Thomas James, an Army lecturer for the past 20 years and himself a father of two, said, "I’ve never heard such rubbish. Taking me for example, no harm is done to the education of my children who change schools regularly---if they keep to the same system(系统) ,as in our Army s A. He doesn’t quite agree with the report. B. The conclusion is reasonable without any personal feelings. C. His feelings has some effect on the research. D. His assistants may have effect on his feeling. [多选题]《规范着装标准》中,对夏季着装要求是( )。
A.着制式衬衣 B.系制式领带 C.着工裤 D.佩带肩章 [单选题]不属于肿瘤二级预防的措施是
A.环境保护 B.积极治疗癌前病变 C.手术 D.放疗 E.化疗 [单项选择]下列企业中，不得享受生产性外商投资企业税收优惠待遇的是( )。
A. 专业从事机械制造、电子工业的外商投资企业 B. 专业从事房地产开发经营的外商投资企业 C. 从事直接为生产服务的科技开发的外商投资企业 D. 从事农业的外商投资企业 [单项选择]建筑基坑支护采用排桩时，当排桩采用素混凝土桩与钢筋混凝土桩间隔布置的钻孔咬合桩形式时，支护桩的桩径可取为（）mm，相邻桩咬合长度不宜小于（）mm。（）
A. 800～1500；200 B. 800～1500；300 C. ，1000～2000；200 D. 1000～2000；300 [单选题]若进料量、进料组成、进料热状况都不变,要提高xD,可采用( )。
A.减小回流比 B.增加提馏段理论板数 C.增加精馏段理论板数 D.塔釜保温良好 [单选题]患者患有心脏病,但体力活动不受限,日常活动不引起乏力、心悸、呼吸困难或心绞痛等症状,属于
A.心功能正常 B.心功能I级 C.心功能Ⅱ级 D.心功能Ⅱ级 E.心功能Ⅳ级 [单项选择]男性，41岁。自幼年起反复发作咳喘，近年来症状加重并持续存在哮鸣音，动则气急。血气分析（呼吸空气）示pH7．30，PaC024．7kPa（35mmHg），Pa026．0kPa（45mmHg）。关于本例呼吸衰竭的处理，下列哪一项提法是不妥当的（）。
A. 低流量持续吸氧 B. 氧疗，其吸入氧气浓度（FiO2％）以满意纠正低氧血症为准 C. 缓解支气管痉挛以改善气体分布 D. 防止代谢性酸中毒的加剧或出现复合性酸中毒 E. 维持呼吸肌的代偿功能，防止通气衰竭 [单项选择]为防雷电感应，建筑物屋顶或金属网格的接地不得少于（）处。
A. 5 B. 4 C. 3 D. 2 [单选题]要求快速启闭的管道(如公路发油台)首选的阀门类型是( )。
A. 闸阀 B. 单向阀 C. 球阀 D. 截止阀 我来回答: 提交
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