机车主断路器
放电间隙
避雷针
| {{B}}New Foods and
the New World{{/B}} In the last 500 years, nothing about people—not their clothes, ideas, or languages—has changed as much as what they eat. The original chocolate drink was made from the seeds of the cocoa tree (可可树) by South American Indians. The Spanish introduced it to the rest of the world during the 1500’s. And although it was very expensive, it quickly became fashionable. In London, shops where chocolate drinks were served became important meeting places. Some still exist today. The potato is also from the New World. Around 1600, the Spanish brought it from Peru to Europe, where it soon was widely grown. Ireland became so dependent on it that thousands of Irish people starved when the crop failed during the "Potato Famine (饥荒)" of 1845—1846, and thousands more were forced to leave their home A. Food. B. Clothing. C. Ideology. D. Language; [判断题]一般材料运到后应不需要及时提货，交付一定的暂存费即可。
[单选题]事故发生后，有关人员应当按照规定及时、准确报告事故情况，妥善保护事故现场和相关资料，不得（ ），不得伪造、隐匿或毁灭相关证据。
A.迟报 B.漏报或瞒报 C.谎报 D.迟报、漏报或瞒报、谎报 [单项选择]女性患者，47岁。诊断为风心病，二尖瓣狭窄伴快速房颤，应用地高辛0．25mg／d一个月，心室律突然转为规则，50次／分，提示（）。
A. 已经转为窦性心律 B. 已达洋地黄化 C. 仍应用洋地黄，给予维持量 D. 可能为洋地黄中毒 E. 转为心房扑动伴有房室传导阻滞 [多选题](____)的通信电源系统状态及告警信息应接到有人值班的地方或接入通信综合监测系统。
A.各级调度大楼 B.重要独立通信站 C.330kV及以上具备独立通信机房的变电站 D.、发电厂 [判断题]工作票是准许在电气设备上工作的书面命令,是执行保证安全技术措施的书面依据,一般有三种格式。
A.正确 B.错误 [不定项选择题]能够探测铁磁性金属材料表面开口缺陷的探伤方法是（ ）
A.超声法 B.磁粉法 C.渗透法 D.涡流法 [判断题]2人以上临柜，临柜人员严禁空岗、脱岗或从事与营业无关的活动。
A.正确 B.错误 [单项选择]设有关系SC(SNO，CNO，GRADＥ)，主码是(SNO，CNＯ)。遵照实体完整性规则
A) 只有SNO不能取空值 B) 只有CNO不能取空值 C) 只有GRADE不能取空值 D) SNO与CNO都不能取空值 [判断题]列车在区间被迫停车可能妨碍邻线需要检查处理时,动车组以外的旅客列车司机指派副司机沿邻线一侧向后、车辆乘务员由同侧向前进行检查。128条( )
A.正确 B.错误 [判断题]托运人在托运的普通货物中可以夹带一定的危险货物。
A.正确 B.错误 [单项选择]12-22+32-42+52-…-20102+20112算得的结果的尾数是( )。
A. 1 B. 2 C. 3 D. 6 [单项选择]某企业某月“工资汇总表”列示：该月基本生产车间生产工人工资18000元，基本生产车间设备维修人员工资2000元，厂部管理人员工资10000元。则该月应记入“直接人工”成本项目的金额是( )。
A. 30000元 B. 28000元 C. 20000元 D. 18000元 我来回答: 提交
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