Artificial flowers are used for
scientific as Well as for decorative purposes. They are made from (51)
of materials, such as wax and glass, so skillfully that they can
scarcely be (52) from natural flowers. In making such models,
painstaking skill and artistry are called for, (53) thorough
knowledge of plant structure. The (54) of glass flowers in
the Botanical Museum of Harvard University is the most famous in North America
and is widely known (55) the scientific world. (56)
, there are several thousand models in colored glass, the work of two
artist naturalists, Leopold Blalschka and his son Rudolph. The intention was to have the collection (57) at least one member of each flower family native to the United States. (58) it was never completed, it contains more than seven hundred species A. in addition B. as well C. as well as D. moreover [单选题]()生产技术成熟,安全性好,价格低廉,废电池易回收再生。
A.铅酸电池 B.超级电容器 C.锂离子电池 D.镍氢电池 [单选题] ( )是指到达本站及工业企业线或段管线内进行货物装卸或倒装作业的车辆。
A. 现在车 B. 中转车 C. 货物作业车 D. 作业车 [判断题]马上春节了,小信通知买家没有物流继续可以订货,保证按时送达
A.正确 B.错误 [单项选择]中国的专属经济区是从测算领海宽度的基线量起延至()
A. 6海里 B. 12海里 C. 24海里 D. 200海里 [判断题]I-CSCF负责前转从UE收到的SIP注册请求,根据UE的归属域名确定下一个入口节点
A.正确 B.错误 [判断题]兼职人员可以负责便携式甲烷检测报警仪的充电、 收发及维护。
A.正确 B.错误 [判断题]充换电设备巡视人员可单人进行。
A.正确 B.错误 [单选题] m 以下的涡轮喷气航空器,距接地点的距离超过 35km,最低调整表速为( )km/hA. 470.0
B. 400.0
C. 310.0
D. 280.0
A.A B.B C.C D.D [单选题]普通记录用纸须按号码( )使用。
A.连续 B.排列 C.横向 D.随便 [单选题]Why do people read negative Internet comments and do other things that will obviously be painful?Because humans have an inherent need to 1 uncertainty,according to a recent study in Psychological Science.The new research reveals that the need to know is so strong that people will 2 to satisfy their curiosity even when it is clear the answer will 3.In a series of four experiments,behavioral scientists at the University of Chicago and the Wisconsin School of Business tested Student’s willingness to 4 themselves to unpleasant stimuli in an effort to satisfy curiosity.For one 5,each participant was shown a pile of pens that the researcher claimed were from a previous experiment.The twist?Half of the pens would 6 an electric shock when clicked.Twenty-seven students were told with pens were electrified,another twenty-seven were told only that some were electrified.7 left alone in the room.The students who did not know which ones would shock them clicked more pens and incurred more shocks than the students who knew what would 8 subsequent experiments reproduced,this effect with other stimuli 9 the sound of fingernails on a chalkboard and photographs of disgusting insects.The drive to 10 is deeply rooted in humans.Much the same as the basic drives for 11 or shelter,says Christopher Hsee of the University of Chicago Curiosity is often considered a good instinct—it can 12 New Scientific advances,for instance—but sometimes such 13 can backfire,the insight that curiosity can drive you to do 14 things is a profound one.Unhealthy curiosity is possible to 15,however.in a final experiment,participants who were encouraged to 16 how they would feel after viewing an unpleasant picture were less likely to 17 to see such an image.These results suggest that imagining the 18 of following through on one’s curiosity ahead of time can help determine 19 it is worth the endeavor.Thinking about long-term 20 is key to reducing the possible negative effects of curiosity.Hsee says.“in other words,don’t read online comments”14选?
A.self-reliant B.self-deceptive C.self-evident D.self-destructive [判断题]A-C-A-002 1 1 3
绘图时,高程三角形符号的尖点应指在被标注点,尖点只能向上,不能向下。 A.正确 B.错误 [单选题]有机物的碘值是指()
A.100g有机物需加成的碘的物质的量 B..100g有机物需加成的碘的质量(g) C.有机物的含碘量 D.与100g碘加成时消耗的有机物的质量(g) [单项选择]1分子葡萄糖有氧氧化时共有几次底物水平磷酸化
A. 4 B. 5 C. 6 D. 8 [简答题]岩心描述的原则是( ),分段细找。
[多项选择]环境工程又分为( )。
A. 热水交换站 B. 工业污水 C. 废料综合处理 D. 厌氧生化处理池 E. 轻纺工业建设工程 [判断题] ( ) 2019年9月2日起实施的车辆分公司《危险化学品安全管理规定》中指出,对灭火方法不同的物品,可以同时使用。( )
A.正确 B.错误 [单项选择]电位是指电路中某点与()之间的电压。
A. 任意点 B. 参考点 C. 大地 [多选题]气割时预热火焰可以采用( )。
A.A、轻微碳化焰 B.B、碳化焰 C.C、中性焰 D.D、轻微氧化焰 [单选题]风力在( )以上、冰冻严寒等恶劣气候条件下发生的火警,火警应自动升高一级。
A.3级 B.4级 C.5级 D.6级 [单选题]工作票应于作业( )交给工作执行人或工作领导人。
A.前一天 B.分工会上 C.48小时前 D.作业当天 [多选题]( )的燃烧 属于表面燃烧。
A.木炭 B.焦碳 C.铁 D.铜 E.钨 [单选题]、以下属于专项检查的是( )
A.节假日检查 B.夏季安全检查 C.电气专项检查 [填空题]当地面信号显示红灯,低频调制信号为26 Hz时,机车信号显示( )灯。
[判断题]发现有金属膨胀器异常伸长顶起上盖情况时,运维人员应立即汇报值班调控人员申请将电流互感器停运,停运前应远离设备。
A.正确 B.错误 [单选题]严格执行现场送电程序,对高压供电客户侧( )设备进行操作工作,必须经调度或运行维护单位许可。
A.第一分界点 B.第一断开点 C.第一接地点 D.第一支持物 [单选题]( )不属于消防安全疏散设施。
A.应急照明灯和疏散指示标志 B.防火卷帘 C.疏散楼梯 D.应急广播及辅助救生设施 单选题25 [单选题] 社会主义核心价值观中国家层面的价值目标是( )。
A. 富强、民主、文明、和谐 B. 富强、民主、和谐、公正 C. 爱国、敬业、诚信、奉献 D. 自由、平等、公正、法治 [单选题]维护医患之间相互信任的关系,应除外
A.主动赢得病人信任 B.珍惜病人的信任 C.对病人所提要求言听计从 D.努力消除误解 E..对病人出现的疑虑尽量解答 [判断题]线路双重称号指线路名称和编号。
A.正确 B.错误 [多选题]根据《危险化学品安全管理条例》第三十四条的规定,个人可以购买的剧毒化学品有( )。
A.农药 B.灭鼠药 C.灭虫药 D.氰化钠 E.氰化钾 [单项选择]以下基因工程菌药物中为我国科学家首创的是()
A. 白细胞介素 B. a-1b型干扰素 C. 心纳素 D. 肿瘤坏死因子 [填空题]()的绝缘强度不能承受电气设备或线路的工作电压,只能起加强基本安全用具的保护作用。
[多项选择]研究与开发的管理主要有( )。
A. 研究费用的管理 B. 研究组织的管理 C. 专利管理 D. 研究方式的管理 E. 研究人力的管理 我来回答: 提交
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