| When prehistoric man arrived in new
parts of the world, something strange happened to the large animals: they
suddenly became extinct. Smaller species survived. The large, slow-growing
animals were easy game, and were quickly hunted to extinction. Now something
similar could be happening in the oceans. That the seas are being overfished has been known for years. What researchers such as Ransom Myers and Boris Worm have shown is just how fast things are changing. They have looked at half a century of data from fisheries around the world. Their methods do not attempt to estimate the actual biomass (the amount of living biological matter) of fish species in particular parts of the ocean, but rather changes in that biomass over time. According to their latest paper published in Nature, the biomass of large predators (animals that kill and eat other anima A. (A) large animals were vulnerable to the changing environment B. (B) small species survived as large animals disappeared C. (C) large sea animals may face the same threat today D. (D) slow-growing fish outlive fast-growing ones [单选题]下列选项中，需要计算建筑面积的是（ ）。
A.与建筑物内相连通的建筑部件 B.骑楼.过街楼底层的开放公共空间 C.建筑物内的操作平台 D.室外专用消防钢楼梯 [单选题]依据《北京市实施<水产资源繁殖保护条例>若干规定》，下列哪一种（）不是我市重点加以繁殖保护的珍贵和重要水生动物。
A.鲢鱼 B.鳙鱼 C.大鲵 D.马口鱼 [单选题] ( )由事故发生地省级人民政府负责调查。
A. 重大事故 B. 较大事故 C. 特别重大事故 D. —般事故 [单选题]在工程投产（）后出现的问题，由运行单位负责牵头处理，建设单位配合。
A.一年 B.两年 C.三年 D.半年 [填空题]Science textbooks and technical and professional journals are usually made up of several parts and contain various special features, many of which have a standard format. 【B1】 usually contain a large number of these parts; journals and 【B2】 contain many, but not all of them.
Knowing where to look for information and 【B3】 to expect in a book can greatly increase your ability to use all the information there. Explanations of and practice using some of these textbook parts and 【B4】 are covered in these even numbered lessons. The features in textbooks are 【B5】 into the following three categories. Front matter is the 【B6】 -numeral paginated section at the front of most books. The text is the main body of the book. The 【B7】 matter comprises the additional sections at the back of most books. 【B8】 our discussion of these three sections will deal mainly with textbooks, the practice provided will greatly 【B9】 your comprehension of scientific 【B10】 as well.
A. A．textbooks B．journals C．discussions D．sections [单项选择]
治疗虚人感冒宜( ) A. 辛温解表 B. 解表达邪 C. 解表化湿 D. 扶正达邪 E. 辛凉解表 [单选题]乘车免费携带品成人20千克、儿童10千克,长、宽、高相加不超过160厘米,乘动车组不超过( )厘米。
A.160厘米 B.140厘米 C.130厘米 D.150厘米 [填空题]Every morning John goes to work by trains. He (76)
always buys a newspaper. It helps to make the time (77) pass more quickly. One Thursday morning, he turned on the sports (78) page. He wanted to see the report about an important (79) football match the night before. The report was such (80) interesting that he forgot getting off at his station. He (81) didn’t know it until he saw the sea. He got off at the next station, and had to wait a long time for a train to (82) come back. Of course, he arrived very late the office. (83) His boss were very angry when Tom told him why he was late. (84) "Work is very more important than football!" he shouted. (85) [单选题]凡发生( )级以上火警、(C)级以上应急救援灾情的,凡人员密集场所、劳动密集型企业、大型商市场、易燃易爆企业、文物古建筑等重点单位发生火灾的,凡易引起媒体炒作和发生官兵伤亡的,必须第一时间上报总队指挥中心。
A.五、四 B.四、三 C.三、二 D.二、一 [单选题]专线电路设备维护单位不负责维护（ ）工作。
A.全程电路测试、调整 B.指挥、处理电路障碍 C.备用电路测试 D.指挥、处理电路故障 [判断题]停电检修作业后,送电之前,原在配电室内悬挂的临时接地线,应由值班员拆除。( )
A.正确 B.错误 [单项选择]黄苔一般主（）
A. 寒证 B. 热证 C. 痰饮 D. 湿证 E. 虚证 [判断题].柴油发动机启动困难,虽有启动迹象,但不能发动,或启动后熄火,排气管冒出大量白烟,则有故障。故障原因一般有两种情况:一是气缸中进了水或柴油中有水,燃烧后排气管排出大量水汽白烟;二是因为混合气体形成条件差,气缸内温度较低,燃油不能很好地形成混合气而没有燃烧便排出去,一般呈白色烟雾。( )(中)(故障诊断与排除)
A.正确 B.错误 [多选题]危险源辨识方法中，专家调查法分为（ ）。
A.事故树分析法 B.德尔菲法 C.实地调查法 D.安全检查表法 E.头脑风暴法 [单选题]如果工艺上要求测量150℃的温度,测量结果要求远传指示,可选择的测量元件和显示仪表是( )。
A.热电偶配电子电位差计 B.热电偶配动周表XCZ-101 C.热电阻配电子平衡电桥 D.热电阻配动圈表XCZ-102 [单项选择]一个人摄取的精炼糖和在消化过程中由食物分解成的糖就是进入人体血液的几乎所有葡萄糖(一种糖)的饮食来源。虽然咖啡在消化时自身不能分解成糖，但有时却能使人的血糖水平急剧上升，即使咖啡没有和奶油或任何甜食一起饮用。 以下哪项，如果正确，最有助于解释上文提到的咖啡对血糖水平的影响( )
A. 人们饮用咖啡经常是在饭后，每餐饭中含有的几种食物本身在消化过程中迅速分解成糖类 B. 一小时内饮用两杯咖啡以上会增加人体的紧张程度，人体对此做出的反应就是把储存的葡萄糖释放到血液中 C. 很少吃含有精炼糖食物的人的血糖含量比大量食用这种食物的人的血糖含量高 D. 和由于工作需要经常进行身体运动的人相比，久坐办公室的人会饮更多的咖啡，会有更高的血糖含量 [多项选择]关于营运资本政策下列表述正确的是（）。
A. 宽松的持有政策其机会成本高，紧缩的持有政策影响股利的支付 B. 配合型的融资政策的弹性较大 C. 营运资本的持有政策和融资政策都是通过对收益和风险的权衡来确定的 D. 配合型融资政策下除自发性负债外，在季节性低谷时也可以有其他流动负债 [判断题]强化安全红线、刚性约束警示教育。各单位、各部门要明示安全红线、刚性约束内容，作为干部职工“必知必会”内容，并纳入学习培训和任职资格考试，经常性开展安全警示教育和安全法治教育。
A.正确 B.错误 [单选题]CR300AF型动车组牵引电机测量基准块测量点到电机轴中心距离为（ ） mm
A.180 B.165 C.195 D.150 [多选题]各级人民银行账户行政许可审批部门在办理业务时，须根据《中国人民银行银川中心支行行政许可业务监督管理办法》（宁银办〔2016〕83号印发）相关规定，对（ ）的行政许可申请，向开户银行出具加盖账户管理专用章并注明日期的书面格式文书凭证。
A.不受理 B.不予受理 C.补正申请材料 D.拒绝受理 E.已受理 [单项选择]下面哪个部分是属于直流电动机的定子部分？（）
A. 换向器 B. 电枢绕组 C. 励磁绕组 D. 风扇 [单项选择]为了支持GPRS的CS3和CS4编码应在BTS中增加一个（）模块，实现信道编码功能。
A. TCU B. DCU C. CCU D. GCR 我来回答: 提交
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