| In the atmosphere, carbon dioxide acts
rather like a one-mirror--the glass in the roof of a green-house which allows
the sun’ s rays to enter but prevents the heat from escaping. According to a weather expert’ s prediction, the atmosphere will be warmer in the year 2050 than it is today, if man continues to burn fuels at the present rate. If this warming up took place, the ice caps in the poles would begin to melt, thus raising sea level several meters and severely flooding coastal cities. Also, the increase in atmospheric temperature would lead to great changes in the climate of the northern hemisphere, possibly resulting in an alteration of the earth’ s chief food-growing zones. In the past, concern about a man-made warming of the earth has concentrated on the Arctic because the Antarctic is much colder and has a m A. mainly because the levels of carbon dioxide are rising B. possibly because the ice caps in the poles are melting C. exclusively due to the effect of the internal of the earth’ s climate D. partly due to variations in the output of solar energy [单选题]《动车组运用维修规则》是 运用维修工作的主要依据。
A.动力集中电动车组 B.动力分散内燃动车组 C.动力集中内燃动车组 D.动力分散电动车组 [判断题]全国人大常委会编制和执行国民经济和社会发展计划和国家预算。
A.正确 B.错误 [单选题]冲压空气按钮设置在ON位 时，应急冲压进气活门将在下 列哪种情况下打开：
A.任何情况 B.假定未选择水上迫 降 C.P<1psi且未选择 水上迫降 [简答题]简述铂类化疗药物的分类（分代）及其临床应用注意事项
[简答题]因他人在某些方面胜过自己而引起的不快甚至是痛苦的情绪体验是嫉妒。
[判断题]中华技能大奖候选人须来自生产一线岗位,且从事本职业(工种)10年以上,享受国务院政府特殊津贴,原则上从历届全国技术能手和具有高级技师职业资格的在岗人员中推荐。( )
A.正确 B.错误 [多项选择]蜂窝煤炉根据（）确定单炕装煤数量一般每公斤干烟需标煤1．5kg，装煤块时要求孔对孔、串连集装．分层纵向排放煤块一定要装足
A. 火炉的大小 B. 烟叶水分大小 C. 装烟量 D. 使用的煤炭质量 [单项选择]发行对象认购的股份自发行结束之日起，（）月内不得转让；控股股东、实际控制人或其控制的关联人认购的股份，（）月内不得转让。
A. 12个，36个 B. 6个，36个 C. l2个，l2个 D. 6个，l2个 [判断题]码头上应在明显的地方备有一定数量的救生设施和消防器材，并设置警告标识牌。
A.正确 B.错误 [判断题]始发全部试验包括漏泄试验、感度试验和安定保压试验。
A.正确 B.错误 我来回答: 提交
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