Whenever I hear a weather report
declaring it’s the hottest June l0 on record or whatever, I can’t take it too
seriously, because "ever" really means "as long as the records go back", which
is only as far as the late 1800s. Scientists have other ways of measuring
temperatures before that, though--not for individual dates, but they can ten the
average temperature of a given year by such proxy measurements as growth marks
in corals, deposits in ocean and lake sediments, and cores drilled into glacial
ice. They can even use drawings of glaciers as there were hundreds of years ago
compared with today. And in the most comprehensive compilation of such data to date, says a new report from the National Research Council, it looks pretty certain that the last few decades have been hotter than any comparable period in the last 400 years. That’s a blow to those who A. The new report from NRC is motivated by the controversy over Michael Mann’s claim. B. Those who doubt global warming consider that warming is a natural phenomenon. C. Those suspicious of global warming take an inconsistent stance on the issue. D. The argument ends in the defeat of global-warming-doubters. [单项选择]()特别适于焊接微型、精密、排列非常密集、对热敏感性强的工件,适于焊接厚度小于0.5mm的薄板、直径小于0.6mm的金属丝。
A. 电子束焊 B. 等离子弧焊 C. 电渣焊 D. 激光焊 [判断题]中国旅游日是每年的 9 月 27 日。( )
A.正确 B.错误 [单选题]历史是历史,事实就是事实,任何人都不可能改变历史和事实,任何人想要否认、歪曲甚至美化侵略历史.中国人民和各国人民绝不答应。这句话体现的哲理是()。
A.真理性的认识都是具体的、相对的 B.社会意识归根到底是对社会存在的反映 C.意识有时决定事物的发展过程 D.错误的意识不是对客观事物的反映 [单选题]在邻近或交叉其他带电电力线处作业时,采取有效措施,使起重机及吊件、牵引绳索和拉绳沿垂直方向与110kV带电导线的最小安全距离为( )m。
A.3 B.4 C.5 D.6 [多选题]国家机关工作人员职业道德的新特点包括()。
A.先进性与时代性并存 B.政治性与改革性兼有 C.服务性与权威性共存 D.稳定性与发展性相依 [单选题]1生产经营单位对()应当登记建档,定期检测、评估、
监控,并制定应急预案,告知从业人员和相关人员应采取的紧 急措施。 A.事故频发场所 B.重大事故隐患 C.重大危险源 D.重点工作人员 [简答题]轴向位移与差胀有何关系?
[单选题]低压金属氧化物避雷器用500V绝缘电阻表测量电阻值,()以上为正常值。
A.4MΩ B.3MΩ C.2MΩ D.1MΩ。 [判断题]进出口货物的收发货人委托代理报检单位办理报检手续时,应填写报检委托书,注明双方责任、权利和代理期限等内容并加盖委托人的印章。( )
[简答题]在汽车制动过程中,当车轮抱死滑移时,路面对车轮的侧向力()。
[多选题]10kV 避雷器的持续运行电压,对于中性点不接地和经消弧线圈接地的接地系统,应分别不低于 最大工作线电压的()。
A.60 B.100 C.110 D.150 [判断题]. TELNET命令可以用来检查应用层工作是否正常。
A.正确 B.错误 [单项选择]患者,女,68岁,脑梗死后3个月,言语可对答,左上肢肌力3级,左下肢肌力4级,左Babinski征(+),患者可在正常时间内独立完成进食,可以独立完成床一轮椅转移,但需要家人在旁提醒及监督,以保证安全,可扶拐杖独立步行20~30m,在监护下步行50m。该患者用Barthel指数评估,总分为70分,说明患者的ADL自理能力为()。
A. 独立完成ADL B. 基本能完成ADL C. 需要帮助才能完成ADL D. 需要很小帮助才能完成ADL E. 需要很大帮助才能完成ADL F. 完全需要帮助才能完成ADL [填空题]杵环杆只能承受( )力。
[单项选择]There can be no doubt ______ someone had visited the house before they arrived.
A. why B. whether C. how D. that [多选题]使用单位应当对在用的建筑起重机械及其安全保护装置、吊具、索具等进行经常性和定期的( ).并做好记录。
A.检测 B.检查 C.维护 D.保养 E.维修 [判断题]CCTV系统具备N+1功能情况下,当某站视频管理服务器故障时,该站的监控终端仍能正常监看、调看摄像机画面。
A.正确 B.错误 [简答题]The international conference will ____________(到结束之时将持续整整一个星期).
我来回答: 提交
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