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Until recently, the "science of the future" was supposed to be electronics and artificial intelligence. Today it seems more and more likely that the next great breakthroughs in technology will be brought through a combination of those two sciences with organic chemistry and genetic engineering. This combination is the science of biotechnology. Organic chemistry enables us to produce marvelous synthetic (合成的) materials. However, it is still difficult to manufacture anything that has the capacity of wool to conserve heat and also to absorb moisture. Nothing that we have been able to produce so far comes anywhere near the combination of strength, lightness and flexibility that we find in the bodies of ordinary insects. Nevertheless, scientists in the laboratory have a A. to make something as good as human skin. B. to produce drugs without side effects. C. to transplant human organs. D. to make artificial hearts and eyes. [判断题]列车在区间发生毒气事件,司机立即停车处理并报行调,打开车门,第一时间疏散客车内乘客。
A.正确 B.错误 [判断题]车站客运人员接到动车组列车变更固定办客股道的通知后,应及时通知相关作业人员,并组织旅客乘降。
A.正确 B.错误 [单项选择]前额部连眉棱骨痛属于
A. 太阳经 B. 少阴经 C. 阳明经 D. 少阳经 E. 厥阴经 [单项选择]在男西装缝制工艺中,归挂面:先把挂面喷水、驳头处外口丝绺(),使之与大身基本符合,再把直丝绺烫弯。
A. 向外门拢、里口拨开 B. 向外推山、里口门拢 C. 向外推出、里口拔开 D. 向外门拢、里口门拢 [判断题]《铁路旅客运输服务质量规范》(空调)12.5,宿营车乘务人员铺位每格有挡帘并且印有有“保持安静”标志。
A.正确 B.错误 [单选题]我国化工部标准中规定:基准试剂颜色标记为( )
A.红色, B.蓝色, C.绿色, D.浅绿色. [单选题]配电室内禁止存放物品,门锁必须良好,人离锁闭。( )不得贴靠电采暖装置
A.易燃物品 B.可燃物品 C.可燃物体 D.易燃物体 [单项选择] New Ideas
Iceland’s President Olafur Grimsson is trying to drive carbon dioxide (二氧化碳) underground to __(51) __ its release into the air.
Over the next two years, a team of scientists will try to __ (52) __ carbon dioxide-charged water into the rock underground. Scientists say this should work. The CO2 will react with the rock to form a stable mineral that remains in the __ (53) __ for millions of years.
If the experiment succeeds, Iceland could give the world a new __ (54) __ to reduce emissions.
Sigurdur Gislason, a university professor in Iceland, says his country has an __ (55) __ over other countries: "We have enormous amounts of clean __ (56) __ and a small society. You can do experiments here that you can’t do anywhere else."
In an attempt to cut back on the use of air conditioners during summer, the Japanese government in 2005 __ (57) __ a campaign to keep office temperatures at 28℃ in summer. Men were also encouraged
A. mounted B. called C. opened D. broke [单选题]供电服务“十项承诺”(2020年版),受理客户计费电能表校验申请后,( )出具检测结果。
A.3个工作日内 B.5个工作日内 C.7个工作日内 D.10个工作日内 [判断题]完全预期理论认为,利率期限结构完全取决于未来即期利率的市场预期。( )
[判断题]班前禁止饮酒,班中按规定着装,佩带防护用品。
A.正确 B.错误 [填空题]减速器ZLY-560-11.2-1中11.2代表(),560代表()。
[单项选择]According to Galbraith, people feel discontented because ______.
A) public spending hasn’t been cut down as expected
B )the government has proved to be a necessary evil
C )they are in fear of’ another Great Depression
D) materialism has run wild in modern society
[单选题] 在正常情况下,阀型避雷器中( )。
A.无电流流过 B.流过工作电流 C.流过工频续流 [单选题]总书记强调,涉及人民群众利益的大量决策和工作,主要发生在( )。
A.基层 B.普通群众 C.党员干部 D.领导干部 [多选题]雷电的种类主要有( )
A.电磁脉冲 B.直击雷 C.雷电入侵波 D.云闪 [单项选择]患者女性,43岁,出现阴道不规则出血9个月,伴白带增多和腰痛,妇检发现宫颈可见菜花状新生物,直径约5cm,阴道前穹隆受累达阴道下1/3,左侧官旁组织增厚但未累及盆壁,宫颈新生物活检示鳞状细胞癌。A点参考点近距离放疗适用的肿瘤是()。
A. 宫颈癌 B. 子宫内膜癌 C. 阴道癌 D. 外阴癌 E. 卵巢癌 F. 直肠癌 [多选题]在狭窄、陡坡、弯路、松软的路面,车辆行驶时驾驶员应该注意哪些事项?
A.注意观察 B.控制车速 C.开启雾灯、“双闪”等警示灯 D.正确使用刹车制动 [单选题] 车站值班员或消防值班室值班员在接受气体灭火保护区域作业登记后,向( )提出就地控制器“手/自动”状态转换至“手动”位的申请并告知具体作业范围及时段等情况,调度员根据具体情况并发布相应命令。
A.OCC 业务主管 B.OCC 值班调度长 C.OCC 设备调度 D.OCC 运营调度 [单选题]慢性中毒是指毒物经长时间地吸入、经皮肤或( )经摄入数月或数年引起的中毒。
A.毛孔 B.呼吸道 C.鼻孔 D.口 [多项选择]火力发电厂高压用电系统,关于短路电流非周期分量对断路器开断电流的影响,下述正确的是( )。
A. 当主保护动作时间与断路器固有分闸时间之和大于0.15s时,应计及非周期分量影响; B. 当主保护动作时间与断路器固有分闸时间之和小于0.11s时,应计及非周期分量影响; C. 当主保护动作时间与断路器固有分闸时间之和为0.11~0.15s,且短路电流周期分量为断路器额定开断电流的90%以上,应计及非周期分量影响; D. 当主保护动作时间和断路器固有分闸之和大于0.15s时,可不计及非周期分量影响。 [判断题]锅炉的锅炉房可以与人员集中的房间相邻。( )
A.正确 B.错误 [简答题]什么是金具?常见种类有哪些?
[简答题]叉车有何特点?
[填空题]土地统计具有()、()、()和质量的相对性等特点。
[填空题]从动齿轮齿数与主动齿轮齿数之比叫做( )。
[判断题]在作业现场内可能发生人身伤害事故的地点,应采取可靠的防护措施,根据实际情况设立安全警示牌、警示灯、警戒线、围栏等警示标志,必要时增加物理隔离带,但不用设专人监护。
A.正确 B.错误 [填空题]1127年,金军掳().钦宗二帝和后妃等三千余人,及其所掠大量金银财宝等物北归,史称此事为“()”,至此,北宋灭亡。
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