Why would anyone want to set aside a
day to honor a lowly little groundhog The answer to that question is not
certain, but a group of people get together every February 2 in Punxsutawney,
Pennsylvania, to watch Punxsutawney "Pete" leave his burrow. What "Pete" does
next, many believe, will indicate whether spring is just around the comer or a
long way off, You see, in Pennsylvania on this date there is usually a great
deal of snow on the ground, and the little animal has been hibernating during
the long, cold winter. He gorged himself during the autumn months and then went
into his burrow for a long sleep, his body fat helping keep him alive. But as he
emerges on February 2, he looks very thin. If the sun is shining brightly and he
sees his shadow, according to legend, it scares him back into his home where he
will stay another si A. If he sees his shadow, it will soon be spring. B. If he sees his shadow, spring will arrive in six weeks. C. If he does not see his shadow, spring will arrive in six weeks. D. If he does not see his shadow, all the snow will disappear immediately. [单选题]教师职业道德区别于其他职业道德的显著标志就是()。
A.为人师表 B.清正廉洁 C.敬业爱业 D.团结协作 [单选题]绝缘工具的检查性试验条件是:将绝缘工具分成若干段进行工频耐压试验,每300mm耐压75kV,时间为(),以无击穿、闪络及过热为合格。
A.1min B.2min C.3min D.4min [简答题]往复式泵内有冲击振动的原因有哪些?如何消除?
[判断题]值站将PSL钥匙插入站台PSL盘,检查PSL盘各指示灯状态是否正常,开、关测试3次屏蔽门,确认屏蔽门状态正常、PSL钥匙恢复禁止位。( )
A.正确 B.错误 [单选题]中国铁路总公司关于印发《限制铁路旅客运输领域严重失信人购买车票管理办法》的通知,铁路旅客信用信息记录期限,自失信行为发生之日起一般为( )年。
A.2 B.3 C.4 D.5 [单选题]《动车组站车客运人员服务规范》规定:给旅客道歉时,身体鞠躬为____。
A.A:300 B.B:350 C.C:400 D.D:45。 [单选题]对于含有硫化氢的井,当井下温度高于( )℃以深的井段,套管可不考虑其抗硫性能。
A.33 B.63 C.83 D.93 [单选题]1.转运有恶心
、呕吐的伤员
时,应取
A.平卧位 B.侧卧位 C.俯卧位 D.半卧位 E.头偏向一侧 [判断题]模板拆除应在混凝土达到设计强度后方可进行。()
A.正确 B.错误 [单选题] 利多卡因用作表面麻醉时的常用浓度
A. 0.25%~0.5% B. 0.5%~1% C. 1%~2% D. 2% E. 2%~4% 我来回答: 提交
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