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A Biological
Clock{{/B}} Every living thing has what scientists call a biological clock that controls behavior. The biological clock{{U}} (1) {{/U}}plants when to form flowers and when the flowers should open. It tells insects when to{{U}} (2) {{/U}}the protective cocoon (防护卵袋) and fly away, and it tells animals and human beings when to eat, sleep and wake. Events outside the plant and animals{{U}} (3) {{/U}}the action of some biological clocks. Scientists recently found, for example, that a tiny animal changes the color of its fur because of the{{U}} (4) {{/U}}of hours of daylight. In the short{{U}} (5) {{/U}}of winter, its fur becomes white. The fur becomes gray brown in{{U}} (6) {{/U}}in the longer hours of daylight in summer. B. ideas C. sorts D. images [单选题] 在收油过程中，需要转换油罐收油时，必须严格执行( )的操作原则。
A.先关，后开 B.先开，后关 C.同时开关 D.停止收油 [填空题] 查实超载超限货运车辆违法进入高速公路或其他收费公路后,责令相关企业（ ）放入超载超限货运车辆的直接责任人。
[判断题]有限空间作业监护人可同意未经授权的人员进入作业区域。
A.正确 B.错误 [单选题]提高汽车行驶安全性的前轮定位参数是()
A.前轮前束 B.前轮外倾 C.主销内倾 D.主销外倾 [填空题]Saying that Pablo Picasso dominated Western art in the 20th century is, by
now, the merest commonplace. In his 50th birthday, the little Spaniard from (53)______ Malaga had become the very prototype of the modem artist as public figure No painter before him had a mass audience in his own lifetime. The total public for (54)______ Titian in the 16th century or Velazquez in the 17th were probably no more than (55)______ a few thousands of people—but that included most of the crowned heads, (56)______ nobility and intelligentsia of Europe. Picasso’s audience—meaning people who had heard him and seen his work, at least in republication—was in tens, (57)______ possibly hundreds, of millions. He and his work were the subjects of unending analysis, gossip, dislike, adoration and rumor. There seems a little doubt that the greatest of Picasso’ work came in (58)______ the 30 y [单选题]用于房室传导阻滞的药物是
A. 琥珀胆碱 B. 毒扁豆碱 C. 毛果芸香碱 D. 阿托品 E. 泮库溴铵 [多项选择]根据《联合国国际货物买卖合同公约》，当买方违反合同时，卖方可享有的救济方法包括哪些( )。
A. 请求买方实际履行合同义务 B. 请求损害赔偿 C. 规定一段合理的额外时间让买方履行其义务 D. 宣布合同无效 [判断题]离心式压缩机开车时应打开入口阀,防止压缩机喘振。
A.正确 B.错误 [单选题]两钢筋接头相距在30d以内，两焊接接头相距在（ ）以内或两绑扎接头的中距在绑接长度以内，均作为同一截面。
A.30cm B.40cm C.50cm D.60cm [单选题]阿托品中毒可引起()
A.失明 B.瞳孔缩小 C.流涎 D.瞳孔扩大 E.心率减慢 [单选题]雷雨天可以进行放线作业。（ ）
A.A-正确 B.B-错误 [单项选择]患者男性，78岁，1天前因右腹股沟疝嵌顿手法回纳后，即感腹痛。现因腹痛加剧、腹胀、气促、呕吐而来就诊。查体：神志淡漠，四肢厥冷。脉细速140次／分，血压60/40mmHg，腹胀，全腹压痛、反跳痛、肌紧张，以脐右最为明显，诊断肠坏死穿孔、弥漫性腹膜炎、中毒性休克最常见的腹外疝是（）
A. 脐疝 B. 股疝 C. 切口疝 D. 腹股沟斜疝 E. 腹股沟直疝 [单项选择]新自由主义思潮的核心是（）。
A. 主张国家全面干预 B. 主张政府和市场之间建立一种契约 C. 维护资产阶级的个人自由 D. 维护社会生态系统的和谐与平衡 [判断题]依据《山东省消防条例》，电力设施、设备因故障引起自身燃烧未蔓延至其他物品的火灾，移送电力主管部门进行调查处理和事故统计。
A.正确 B.错误 [单项选择]C源程序中不能表示的数制是
A. 二进制 B. 八进制 C. 十进制 D. 十六进制 [多项选择]通常所称的肝囊肿包括（）
A. 多囊肝 B. 肝假性囊肿 C. 肝内胆管囊状扩张症 D. 单发性肝囊肿 E. 肝的囊状淋巴瘤 [判断题]消防员招录范围是消防员主要从本省级行政区域常住人员中招录,根据需要也可面向其他省份招录。( )
A.正确 B.错误 [单选题]雷雨天气，需要巡视室外高压设备时，应穿（），并不准靠近避雷器和避雷针。
A.雨鞋 B.绝缘靴 C.橡胶鞋 D.绝缘鞋 E.略 F.略 [多选题]走中国特色社会主义政治发展道路，必须坚持（）有机统一。
A.党的领导 B.人民当家作主 C.三权分立 D.依法治国 [判断题]（ ）120 km/h＜υmax≤160 km/h 正线混凝土枕地段，轨距在作业验收时静态容许偏差管理值为+6-2mm。
A.正确 B.错误 [判断题]货物列车在无列检作业场作业后关门车数不得超过现车总辆数6％。
A.正确 B.错误 [填空题]
41. We all know that normal human daily cycle of activity is of some 7-8 hours’ sleep alternating with some 16-17 hours’ wakeful ness and that, broadly speaking, the sleep normally coincides with the hours of darkness. [判断题]电网过电流是引起电气火灾的主要原因之一。
A.正确 B.错误 [单项选择]在电压高于（）V的电力系统中需采用保护接地。
A. 500 B. 1000 C. 1500 D. 5000 [单选题]依据《中国南方电网有限责任公司电力安全工作规程》（Q/CSG510001-2015）第5. 5. 1条规定：灾后抢修应合理安排工期和资源，确保抢修作业人员的( )。
A.工作条件 B.人身安全 C.作业环境 D.工作安全 [单项选择]建立规范性、法制化政府预算的前提条件的预算原则是（）.
A. 公开性原则 B. 完整性原则 C. 可靠性原则 D. 统一性原则 [多选题]牵引变电所的负荷,其特点是()。选项:
A.位置移动 B.负荷的大小波动很大 C.无负序电流 D.单相不对称性 我来回答: 提交
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