{{B}}A Messenger from the Past{{/B}} His people said good-bye and watched him walk off toward the mountains. They had little reason to fear for his safety: the man was well dressed in insulated clothing and equipped with tools needed to survive the Alpine climate. However, as weeks passed without his return, they must have grown worried, then anxious, and finally resigned, After many years everyone who knew him had died, and a note even a memory of the man remained. Then, on an improbably distant day, he came down from the mountain. Things had changed a bit: it wasn’t the Bronze Age anymore, and he was a celebrity. When a melting glacier released its hold on a 4,000-year-old corpse in September, it was quite rightly called one of the most important archeological finds of the ce A. the hot TV lights thrown on the body may damage its tissues. B. he is only a single individual and more specimens are needed. C. scientists are very optimistic about his genetic information. D. the DNA sequences will be the most valuables part of the discovery. [单项选择]相线对地标称电压为220V的TN系统配电线路的接地故障保护,其切断故障回路的时间应符合供电给手握式电气设备和移动式电气设备的末端线路或插座回路,不应大于( )的规定。
A. 0.4s B. 4s C. 0.5s D. 5s [判断题]不得用泡沫灭火器带电灭火;带电灭火应采用干粉、二氧化碳等灭火器。()
[判断题]《中华人民共和国消防法》规定,建设工程的消防设计、施工必须符合国家工程建设消防技术标准。
A.正确 B.错误 [单选题]转子的不平衡量,可用( )表示。
A.(A)偏心距 B.(B)重径积 C.(C)平衡精度 D.(D)偏心距,重径积和平衡精度 [判断题]各单位要强化作业人员“十个规定动作”的培训,分层分级常态化开展“保命”教育培训,确保人人熟悉掌握、人人过关,针对转岗人员无需经岗评后且具备作业能力方可上岗。
A.正确 B.错误 [多选题]JK02架控制动控制单元主要由( )组成。
A.气动制动控制单元 B.微机制动控制单元 C.中央控制单元 D.机械控制单元 [判断题]监视区是指实体周界防护系统和/或电子周界防护系统所组成的周界警戒线与防护区边界之间的区域。
A.正确 B.错误 [判断题]( )下图中放空管线的安装是不符合规范要求的。
A.正确 B.错误 [简答题]
“差生”的成绩
我是差生行列中的一员,我也曾努力过、刻苦过,但最后却被一盆盆冷水浇得心灰意冷。就拿一次数学考试来说吧,我学数学觉得比上青天还难,每次考试都是十几分,一次教师骂我是蠢猪,我一生气下决心下次一定要考好。于是,我加倍努力,真的拿了个数学第一名。心想,这次老师一定会表扬我了吧!可是出乎我意料,老师一进教室就当着全班同学的面问我:“你这次考得这么好,不是抄来的吧?”听了这话,我一下子从头凉到脚,难道我们差生就一辈子都翻不了身了吗?
请结合案例分析现行教学评价存在的主要问题。
[判断题]高度调整阀的性能在很大程度上是依靠油的粘度,所以不要采用指定的油以外的油。
[单项选择]热电阻是利用()成一定函数关系的金属导体或半导体材料制成的温度传感器。
A. 电阻值与温度量 B. 电阻值与压力量 C. 电阻值与电流量 D. 电阻值与电压量 [单选题]有一些含铜的银器,加热时可能会造成一层氧化铜的黑色表面层,这类氧化物的污斑,可用( )硫酸溶液去除。
A.0.05 B.0.1 C.0.15 D.0.2 [单选题]网络图中( )表示事项。
A. 节点 B. 箭头 C. 箭尾 D. 箭线 [填空题]In fact, many of the herbs(草药) work really good. Chinese medicine 76. ______
works the best for the relief of constant pain and some long-term 77. ______ conditions resist Western medicines. However, these are not 78. ______ miracle drugs. Any of them are mildly toxic. After taking them 79. ______ over a long period of time, they may also has harmful side effects. 80. ______ In some cases, they can even damage the liver and another organs. 81. ______ Therefore before take any herbal medicine, you should consult the 82. ______ Chinese doctor because the herbs you take may not be the more 83. ______ appropriate for your condition. Even for such a common disease 84. ______ as a cold, there are much different types. 85. ______ [单选题]有一宗地,占地面积为1000平方米,地上建有一幢3层的楼房,建筑密度为0.6,容积率为2.5,土地单价为4000元/平方米,则楼面地价为( )元/平方米
A.A.1000 B.B.1600 C.C.2000 D.D.2800 [单项选择]腺瘤性息肉恶变应行()
A. Dixon手术 B. Miles手术 C. Duhamel手术 D. 局部切除术 E. 拉下式直肠癌切除术 [单项选择]一国规定出入境的繁琐手续以及对移民的限制将构成()
A. 资本移动的壁垒 B. 人员移动的壁垒 C. 产品移动的壁垒 D. 商业存在壁垒 [判断题]可以在系统有接地的情况下合解环操作。( )
A.正确 B.错误 [单选题]溃疡深大,边缘隆起,呈弹坑样,表面有灰黄色假膜,基底软的是
A.结核性溃疡 B.创伤性溃疡 C.癌性溃疡 D.腺周口疮 E.梅毒下疳 [不定项选择题]病人免疫力低下,肾皮质结核发展为肾髓质结核
[单选题]链条(手扳)葫芦使用前应检查吊钩、链条、转动装置及制动装置,吊钩、链轮或倒卡变形以及链条磨损达直径的10%时,禁止使用。
A.A-正确 B.B-错误 [单项选择]人员管理职能包含以下几个方面
A. 选人、评人、育人、留人 B. 树人、评人、育人、留人 C. 选人、树人、育人、留人 D. 选人、评人、树人、留人 E. 树人、评人、选人、留人 我来回答: 提交
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