Some of the problems that (41)
people in the U.S. (42) in the cities during old
days are still (43) us -- poor planning, problems in
(44) neighborhoods, and public transportation. (45) was a very important for city governments in the last century, (46) regard to water supplies, it was known that water could be polluted, (47) they didn’t know (48) . Trying to get pure water was a big problem. People like to talk about the (49) old days, but actually, the cities of the 19th century were dirty and, (50) , filthier than today. (51) disease was a great (52) . There was still smallpox(天花) and also yellow fever and malaria. The (53) death rate was high, and there were other dangers as well. (54) true that people were not being killed by cars A. making for B. make C. making D. earning for [单选题]铁路货车故障处理种类中,人力制动机配件破损、脱落、丢失属于()。
A.大件修 B.小件修 C.摘车临修 D.临时整修 [多选题] 在低压用电设备上停电工作前,应断开电源、取下熔丝,()或(),确保不误合。
A.加锁 B.悬挂标示牌 C.打开 D.取下电源 [单项选择]AFP是诊断原发性肝癌较敏感和特异的肿瘤标志物,当发生原发性肝癌时,约80%的患者血清中AFP水平升高,AFP水平在一定程度上反应肿瘤的大小,其动态变化与病情有一定的关系。少部分(约10%)的原发性肝癌患者AFP检测始终为阴性,或测定值升高不显著,为提高诊断的准确性可联合检测的标志物是()
A. CEA B. AFU C. CA19-9 D. LDH E. ALT [多选题]居民及非居民集中式电采暖用户的采暖用电原则上应( )、( )、( ),与其他用电严格区分且避免总分计量方式;
A.A.单独立户 B.B.单独计量 C.C.单独结算 [单选题]ETF属于( )。
A.主动操作的指数基金 B.被动操作的指数基金 C.只在一级市场交易 D.只在二级市场交易 [单选题]安全施工方案交底应由()负责完成。
A.技术负责人 B.编制人 C.审核人 D.安全负责人 [多选题]以下哪些费用,社区卡是予以减免的( )?
A.工本费 B.年费 C.每月前5笔(含)ATM跨行取现手续费减免 D.每月前5笔(含)ATM跨行转账手续费减免 E.挂失费 [判断题]存在放射性同位素和使用放射性装置的作业场所,设置“当心电离辐射”警告标识和相应的指令标识。( )
A.正确 B.错误 [单选题]施工用电要求:配电箱至各电器设备的线路,应采用()电(线)缆,宜架空铺设,且电缆固定位置要牢固,配电箱应采用专用防水型。
A.单层绝缘 B.双层绝缘 C.三层绝缘 D.多层绝缘 [单选题]安静时有轻度呼吸困难患者,其喉阻塞为( )
A.I度 B.Ⅱ度 C.Ⅲ度 D.Ⅱ~Ⅲ度 E.Ⅳ度 [多选题]财务报表考核范围( )。
A.快报和月报 B.年度决算报表 C.临时报表 D.生产报表 [单选题]关于网络计划线路的说法,正确的是( )。
A.线路可依次用该线路上的节点代号来表示 B.线路段是由多个箭线组成的通路 C.线路中箭线的长度之和就是该线路的长度 D.关键线路只有一条,非关键线路可以有多条 [判断题]推进运行前,领车人员在信号机前确认调车信号,另一名调车人员(或指定人员)站在能确认调车信号的适当地点,确认调车信号开放后方可动车。
A.正确 B.错误 [单项选择]旅游活动最基本最重要的中心环节是( )P5
A. 食 B. 住 C. 行 D. 游 我来回答: 提交
|