热门试题:
[单选题]“绿色化学”能实现零排放(即反应物中的原子利用率达到100%0)。C0和H2在一定条件下按照不同的比例可以合成不同的有机化工原料。根据零排放的要求,以C0和H2合成的有机物不可能是()。
A.甲醇(CH40)
B.乙醇(C2H60)
C.甲醛(CH20)
D.乙酸(C2H402)
[单选题]警组战术行动中,在搜索开阔地中,当翼侧有情况顾虑时,可供选择的警组队形是( )。
A.一路队形
B.一列队形
C.三角队形
D.梯形队形
[单选题]据统计,火灾中死亡的人有80%以上属于( )。
A. 被火直接烧死
B. 烟气窒息致死
C. 跳楼或惊吓致死
[单项选择]根据合同的成立是否已交付标的物为要件,合同可分为()
A. 诺成合同与实践合同;
B. 要式合同与不要式合同;
C. 双务合同与单务合同。
[不定项选择题]负压吸引术适用于妊娠
A.6周以内
B.10周以内
C.10~14周
D.14~16周
E.16周以上
[填空题]A child who has once been pleased with tale likes, as a rule, to have it retold in identically the same words, but this should not led parents to treat printed fairy stories as sacred texts. It is always much better to tell a story than read it (41) of a book, and, if a parent can produce (42) in the actual circumstances of the time and the individual child, is an improvement on the printed text, so much the better.
A charge made against fairy tales is that they harm the child by frightening him or arousing his sadistic impulses. To prove the (43) , one would have to show in a controlled experiment that children who have read fairy stories were more often guilty of cruelty than those who had not. Aggressive, destructive, sadistic impulses every child has and, (44) the whole, their symbolic verbal discharge deems to be rather a safety valve than an incitement to overt action. As to fears, there are, I think, well-authenticated cases of children
[简答题]《廉政准则》中提到的党员领导干部应该坚持的“五个必须”是什么?
[单选题]蛋白质占人体固体重量的百分率是
A.10%
B.45%
C.20%
D.90%
[单选题]生产经营单位为了保证安全资金的有效投入,应编制安全技术措施计划,其核心是落实()。
A.可行性研究报告
B.技术方案
C.安全技术措施
[不定项选择题]慢性迁延性菌痢大便为
A.蛋花样便
B.果酱样便
C.柏油样便
D.脓血便
E.水样便
[单选题]对可能发生急性职业损伤的有毒、有害工作场所,用人单位应当设置报警装置,配置现场急救用品、冲洗设备、应急撤离通道和必要的( )。
A.泄险区
B.救护车
C.医务室
[不定项选择题]A.自身溶血试验明显增强,加葡萄糖明显纠正
A.自身溶血轻度增强,加葡萄糖轻度纠正
B.自身溶血明显增强,加葡萄糖不能纠正
C.自身溶血降低,加葡萄糖不能纠正
D.自身溶血降低,加葡萄糖明显纠正
E.先天性球形红细胞增多症的特征是
[单项选择]女性患者,60岁。8h前因持续胸闷,气短入院。血压160/90mmHg,心率110/min,心尖部闻及舒张期奔马律,肺底细小湿啰音,心电图示V1~V5ST段弓背向上抬高0.4mV,可见病理性Q波。以下处理不恰当的是
A. 吸氧,高枕卧位
B. 静脉滴注硝酸甘油
C. 静脉滴注硝普钠
D. 毛花苷C 0.4mg缓慢静推
E. 呋塞米静脉推注
[单项选择]男性,16岁,半年前发热,咳嗽胸片右上肺片状影,抗炎治愈。一月前又类似发病一次。2天前再次发热咳嗽。胸片又见上述影像,血WBC1.5×10的9次方/L,诊断可能是
A. 肺炎支原体肺炎
B. 病毒性肺炎
C. 干酪性肺炎
D. 阻塞性肺炎
E. 克雷伯杆菌肺炎
[单选题]橡胶密封垫是靠橡胶的弹力来密封的,控制橡胶密封件的压缩量保证密封质量的方法是()。
A.压缩量控制在垫厚的1/3左右
B.压缩量控制在垫厚的1/4左右
C.压缩量超过橡胶的极限而失去弹力,易造成裂纹,都起不到密封作用,或影响橡胶垫的使用寿命
D.压缩量过小,压缩后密封件弹力小
[多选题]列车无线调度通信固定设备包括( )等。
A.车站设备
B.调度总机
C.网管
D.监测设备
[判断题]管子的公称直径就是管子的外径。
A.正确
B.错误
[多项选择]目前EAD安全检查所支持的安全检查项包括有()。
A. 终端安全软件检查
B. 操作系统补丁检查
C. 可控软件组检查
D. 客户端流量检查
E. 操作系统弱密码检查
F. 注册表检查
[单项选择]八议中议亲一项,“亲”指()
A. 皇帝的亲戚
B. 皇帝的故旧
C. 皇帝的客人
D. 前朝皇帝的后代
[单选题]折返站站台人员确认清客完毕后应及时向司机显示()信号。
A.发车
B.好了
C.引导
D.通过
[单项选择]灭活率以对数表示时,2log代表灭活率为()。
A. 90%
B. 99%
C. 99.9%
D. 99.99%
[单选题]十九大报告指出,必须统筹国内国际两个大局,始终不渝走和平发展道路、奉行互利共赢的开放战略,坚持正确( ),树立共同、综合、合作、可持续的新安全观。
A.义利观
B.发展观
C.安全观
D.合作观
[多选题]测光系统的测光方式主要有( )
A.外侧光
B.内测光
C.独立测光
D.直接测光
[单选题]保健食品功效成分中属于蛋白质和氨基酸类的是( )。
A.膳食纤维
B.大豆多肽
C.植物甾醇
D.中草药中的成分
[单选题]作战训练安全工作必须严格落实几项制度?
A.8项
B.6项
C.7项
D.9项
[判断题]2.28 对交通违法行为或者交通事故未处理完毕的、身体条件不符合驾驶许可条件的、未按照规定参加学习、教育和考试的,不予通过审验。
A.正确
B.错误
[单选题]1940 年 3 月,在南京成立伪国民政府的是( )
A.蒋介石
B.汪精卫
C.溥仪
D.何应钦
[单项选择]Excessively low air pressure occurring in the intercooler of a reciprocating air compressor is caused by().
A. leaky discharge valves on the LP cylinder
B. leaky discharge valves on the HP cylinder
C. insufficient intercooler cooling
D. low ambient air pressure
[单选题]女,30岁,多次行人工流产术,末次人流在3个月前,人流后停经3个月,有周期性下腹痛伴肛门坠感。妇科检查:宫颈举痛(+),子宫稍大有压痛。诊断可能是:
A.早孕
B.内膜异位
C.宫颈粘连
D.宫外孕
E.月经不调
[单选题]男性,20岁,发热起病,体温38°
C,3天后体温下降伴周身乏力,食欲缺乏,恶心呕吐。近2天发现尿色深如豆油样,胆红素定量80μmol/L,抗HBs(+),抗HAV IgM(+),巩膜及皮肤中等度黄疸,肝区轻度叩痛,肝肋下触及1.0cm,质软,脾侧卧位未及,胆囊区无压痛。
此患临床诊断应考虑
A.急性黄疸型肝炎
B.急性重型肝炎
C.亚急性重型肝炎
D.淤胆型肝炎
E.胆囊炎伴肝损害
[单项选择]Passage 3
A bond is issued by a guarantor, usually a bank or an insurance company, on behalf of an exporter, It is a guarantee to the buyer that the exporter will fulfill his contractual obligations, If these obligations are not fulfilled, the guarantor undertakes to pay a sum of money to the buyer in compensation. This sum of money can be anything from 1% to 100%of the contract value.
If the bond is issued by a bank, then exporter is asked to sign a counter indemnity which authorizes the bank to debit his account with any money paid out under the bond.
Bonds are usually required in connection with overseas contracts, or with the supply of capital goods and services, When there is a buyer’s market, the provision of a bond can be made an essential condition for the granting of the contract. Middle Eastern countries commonly require bonds , but nowadays many other countries also require bonds, but nowadays many other countries also requite them. Most international aid agencies, such a
A. debit
B. credit
C. assets
D. liabilities
[判断题]动力集中动车组库内严守十、五、三车速度,距标15米速度不超3km/h。
A.正确
B.错误
[单项选择]工业以轻工业为先导逐渐转向以重工业、化学工业为中心的发展过程,即所谓重工业、化学工业化过程。目前在发达国家中,重工业、化学工业在整个工业中的比率,一般均在60%~65%之间。尽管各国人均国民收入差别不大,但重工业、化学工业比率一般相差较大。最能准确复述这段话主要意思的是( )。
A. 发达国家重工业和化学工业所占比例是在说明其受重视的程度
B. 工业发展过程目前呈现由轻工业向重工业、化学工业转化的趋势
C. 工业重心的转移势在必行
D. 在发达国家,重工业和化学工业是基础工业,因而所占比例很大
[单选题]自助设备使用效能的计算方式为:( )
A.自助设备使用效能=(电子银行渠道业务笔数+现金类、非现金类自助设备业务笔数)/(全量柜面业务笔数+电子银行渠道业务笔数+现金类、非现金类自助终端业务笔数)*100%。自助设备使用效能=自助设备业务笔数/网点柜面业务总笔数
B.自助设备使用效能=网点柜面业务笔数/(网点柜面业务总笔数+自助设备业务笔数)
C.自助设备使用效能=自助设备业务笔数/(网点柜面业务总笔数-自助设备业务笔数)
[单项选择]甲公司将原值1500万元的房产作为投资与乙公司联合经营娱乐业,双方议定,甲每年可固定得到100万元的利润。当地规定在计算房产税时允许减除的比例为30%,则甲公司每年应该缴纳的房产税为( )。
A. 0
B. 12万元
C. 12.6万元
D. 18万元
[单选题]校验频率:每班对所有在用称量斗的秤最少校验()次
A.A2
B.B4
C.C3
[单项选择]The Threat to Kiribati
The people of Kiribati are afraid that one day in the not-too-distant future, their country will disappear from the face of the earth- literally. Several times this year, the Pacific island nation has been flooded by a sudden high tide. These tides, which swept across the island and destroyed houses, came when there was neither wind nor rain. “This never happened before,” say the older citizens of Kiribati.
What is causing these mysterious high tides The answer may well be global warming. When fuels like oil and coal are being burned, pollutants (污染物)are released; these pollutants trap heat in the earth’s atmosphere. Warmer temperatures cause water to expand and also create more water by melting glaciers (冰川 )and polar (极地的) ice caps.
If the trend continues, scientists say, many countries will suffer, Bangladesh, for example, might lose one-fifth of its land. The coral (珊瑚) island nations of the Pacific, like Kiribati and the Marshall Islands, however, wou
A. Right
B. Wrong
C. Not mentioned