Scientists discovered that atoms of
some substances are radioactive. This means that they are unstable and can be
split. The chain of splitting atoms releases great destructive energy and it was
this discovery which led scientists to develop the idea of an atomic bomb. The
American government secretly worked to produce such a bomb and the first version
was much more powerful than anyone had thought. By this time, the World War Ⅱ had ended in Europe. But the Japanese refused to surrender, the Americans decided that by dropping an atomic bomb on Japan, they could end the war quickly and save more of their soldier’s lives. Soon after midnight on 6 August 1945, a bomb was dropped on the city of Hiroshima, a civilian target. No warning was given and there was total devastation. Almost all the buildings were destroyed and more t A. in order to destroy Japanese military forces B. in order to end the war and save their soldier’s lives C. for the purpose of killing 100000 people D. to see if the bomb was powerful enough [判断题]对重负荷线路,运行环境较差时宜适当缩短带电红外检测周期:重大事故、节日、重要负荷以及设备负荷陡增等特殊情况应增加检测次数。
A.正确 B.错误 [判断题]电动吸引器吸痰法利⽤的原理是空吸原理。
A.正确 B.错误 [单项选择]
真正的人,能创造工具的人,是出现在最近一百万年之内。对悠远的地球发展史来说,一百万年只是很短暂的时间,但和人类有文字记载的历史相比,毕竟是太远了。人们总想弄清楚这一百万年之间发生的事情。 A. 最早的人类起源于一百万年以前 B. 人类是自然界生物发展的特殊生物 C. 人类历史相对于地球来说太短了 D. 人类起源之谜总是引起人们对人类发展情况的探寻 [不定项选择题]A.新生儿期
A.幼年期 B.青春期 C.性成熟期 D.更年期 E.卵巢功能成熟并有性激素分泌及周期性排卵的时期称为 [判断题]电气工作开始前,必须完成工作许可手续。( )
A.正确 B.错误 [判断题]厦门地铁1号线电客车其他条件均正常,车门全关好指示灯不亮时,打门全关
好旁路后可以动车。( )
A.正确 B.错误 [多选题]子分部工程可按()进行划分。
A.平面布置 B.材料种类 C.施工特点 D.施工程序 E.专业系统及类别 [单选题]铁浮舱式浮盘内浮顶储罐防火堤与储罐间距大于( )米,超过泡沫管枪最大水平覆盖推进距离,需在防火堤人工筑堤设若干区域,分片灭火。
A. 10米 B. 12米 C. 15米 D. 20米 [单选题]新中国成立以来,由最高国家权力机关制定的第一部教育法律是( )。
A.《教育法》 B.《义务教育法》 C.《学位条例》 D.《高等教育法》 [单选题]职业病危害因素达到一定程度,并在一定条件下,使劳动者健康发生损伤称为( )
A.职业性损伤 B.工伤 C.劳动伤害 [单选题]精益化管理评价是对变电设备验收、运维、检测、检修、反措执行及( )进行全面检查评价。
A.设备管理 B.运检管理 C.状态管理 D.精益管理 [单选题]我行欧元EUR对应的币种代码是( )。
A.27 B.28 C.29 D.38 [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard{{/B}}
A. Run around the town. B. Look more carefully. C. Buy shoes from a catalog. D. Find a better place for exercise. [单选题]“农银安心·半年开放”第1-6期理财产品风险等级为______。
A. 低 B. 中低 C. 中 D. 中高 [单选题]患儿,4岁,体温37.8℃,腹泻8次/日,口渴,烦躁不安,皮肤粘膜干燥,查血清钠140mmol/L,应考虑脱水性质是
A.中度高渗性脱水 B.中度等渗性脱水 C.中度低渗性脱水 D.等渗性脱水 E.低渗性脱水 [多项选择]国家电网公司内控流程标准化原则主要体现为()
A. 流程步骤 B. 组织架构 C. 控制措施 D. 责任岗位 E. 信息系统 [单项选择]刚体的平衡条件只是变形体平衡的()。
A. 充分条件 B. 必要条件 C. A或B D. A和B 我来回答: 提交
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