There have been many great (21) . The first great invention was one that is still very important to day--the wheel. This made it easier to carry (22) things and to travel long distances.
In the early 1800s the world (23) to change. There was little unknown land left in the world. People did not have to explore much any more. They began to work instead to make life belier.
In the second half of the 19th century many great inventions were made. Among them were the camera, the electric light and the radio. These all became a big part (24) our life today.
The first part of the 20th century saw more great inventions: the helicopter in 1909, movies with sound in 1926, the computer in 1928, and jet planes in 1930. This was also a time (25) a new material was first made. Nylon came out in 1935. It changed the kind of clothes people wore.
The middle part of the 20th century brought new ways to help people (26) disea
A. begin
B. open
C. started
D. start
| You have studied hard, and the day
has (21) come when you must write your exam. Try to arrive a
few minutes before the (22) starts. Avoid talking to other
students, especially those (23) are doing some last minute
cramming. These people will make you nervous and (24) your
concentration. If you can, choose a seat that allows you to (25) . Try to sit away, from the (26) to the room so you are not (27) by students leaving before you are finished. Listen (28) to any verbal instructions from the teacher or any (29) written on the board. Here are five (30) A. Budget B. Think C. Count D. Number [判断题] 工作票签发人应对工作票中所列工作内容的必要性和安全性,所填安全措施的正确完备性,所派工作负责人和工作班人员应适当和充足等的正确性负责。 ( )
A.正确 B.错误 [多选题]造成计量二次回路压降过大的原因主要有( )。
A. 电压互感器二次回路导线过长 B. 计量二次回路负荷小而互感器输出容量过剩 C. 计量二次回路负荷过大而互感器输出容量不足 D. 电压互感器二次回路导线截面过小 [多项选择]依《海牙规则》的规定，关于700箱湿损的货物，下列选项正确的是：
A. 应由收货人向承运人提出索赔，因为是船舶的碰撞引起的湿损 B. 应由收货人向发货人提出索赔，因为货物是在装船前损的 C. 应由收货人向保险人提出索赔，因为承运人有航行过失免费 D. 应由发货人向保险人提出索赔，因为发货人是投保人 [单选题]【单选题】以下关于施工升降机说法不正确的是___________。
A. 使用期间,每3个月至少进行一次额定载重量坠落试验 B. 载人超过9人 含司机. 不开 C. 层门应处于常开状态 D. 作业结束后应将施工升降机返回最底层停放 [判断题]犯罪主体只能是自然人。
[单选题]依据《安全生产法》，生产经营单位应当依法为从业人员办理的是（）。
A.养老保险 B.工伤社会保险 C.人身意外伤害保险 D.医疗保险 [单选题]常规固定翼/旋翼平台是大气层内飞行的空气的航空器P6
A.重于 B.轻于 C.等于 [多选题]消防控制室应设置直通室外或安全出口的疏散门,疏散门应向( )开启。(易)
A.内 B.外 C.安全出口 D.疏散方向 [单项选择]
Section Ⅰ Use of English Directions: Read the following text. Choose the best word(s) for each numbered blank and mark A, B, Cot Don ANSWER SHEET 1. Most of us would like to be both (1) and creative. Why was Thomas Edison able to invent so many things Was he simply more intelligent than most people Did he spend long hours toiling away in private Surprisingly, when Edison was a young boy, his teacher told him he was too (2) to learn anything. Other famous people whose creative genius went (3) when they were young include Walt Disney, who was fired from a newspaper job because he did not have any good ideas and Enrico Caruso, whose music teacher told him that his (4) was terrible. Disney, Edison and Caruso were intelligent and creative men; (5) , experts on creativity believe that intelligence is not the same as creativity. Creativity is the ability to think about something in new and unusual ways, and to (6) out unique soluti [判断题]计划平均工资=计划工资总额/计划平均产值
A.正确 B.错误 [判断题]定时基准传输链路总漂动应小于4us
A.正确 B.错误 [单选题](47889)利用列车碾压法进行应力调整，需要在限速不超过( )的条件下进行。(1.0分)
A.5km/h B.15km/h C.25km/h D.45km/h [判断题]手摇道岔工具可放置于现场手摇道岔工具箱内，车站人员应不定期检查工具状态。
A.正确 B.错误 [判断题]更换道岔施工中,横移道岔时应缓慢平稳,在移动范围外禁止任何人进入,作业人员应集中精力,注意施工负责人的指挥手势或笛声,不得喧哗、打闹,转移注意力。( )
A.正确 B.错误 [单项选择]一般情况下，施工总承包管理中所有分包合同的招投标，合同谈判、签约工作由( )负责。
A. 业主 B. 招投标单位 C. 施工总承包单位 D. 监理单位 [判断题]电梯维修、保养中,严禁身体横跨于轿顶和层门间工作。( )
A.正确 B.错误 [单选题]授信形式统一是指农业银行承担客户信用风险的( )须纳入客户授信额度管理。
A.表内信贷业务 B.表外信贷业务 C.非信贷业务 D.所有形式的表内外信贷和非信贷业务 [单项选择]下列哪项未包括在艾滋病期表现中（）
A. 类血清病样表现 B. 机会性感染 C. 神经系统症状 D. 肿瘤发生 E. 全身淋巴结肿大 [单项选择]
患者男，78岁。胃癌合并上消化道大出血，出血量约2000ml。给予快速输注全血2000ml，患者突然出现胸闷、憋气、咳血性泡沫样痰。查体：口唇黏膜发绀，颈静脉怒张。双肺可闻及广泛的湿啰音。 患者输血最可能发生的并发症是（）。A. 溶血反应 B. 过敏反应 C. 循环超负荷 D. 细菌污染反应 E. 输血相关的急性肺损伤 [多项选择]影响建筑安装工人人工单价的因素主要有( )。
A. 社会平均工资水平 B. 生活消费指数 C. 国际市场行情 D. 劳动力市场供需变化 E. 社会保障政策 [判断题]静电事故多发在潮湿的季节
A.正确 B.错误 [单选题]直径大的棒料或轴类件通常采用( )矫直。
A.压力机 B.手锤 C.台虎钳 D.活络扳手 我来回答: 提交
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