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背景材料： 某公路隧道最大埋深约150m，设计净高5．0m，净宽14.0m，隧道长1580m。隧道区域内主要为微风化黑云母花岗岩，隧道区域内地表水系较发育，区域内以基岩裂隙水为主，浅部残坡积层赋存松散岩类孔隙水，洞口围岩变化段水系较发达。施工单位在施工组织设计中认真做好了隧道的供水（采用机械站供水，洞内有地下水源）和供电设计。 （1）根据背景材料，隧道施工期间生产用水和生活用水主要用途包括哪些方面？ （2）根据背景材料，供水方案的选择及设备的配置应符合哪些要求？ （3）根据背景材料，隧道供电电压应符合哪些要求？
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【简答题】2010年8月8日凌晨，甘肃省舟曲县发生重大泥石流灾害。读下图回答问题。 （1）图中A地和B地比较，哪个地方更容易发生泥石流？说明理由。 ______________________________________________________________________________ （2）当泥石流发生时，在泥石流的流经区和堆积区的人员应如何逃生？ ___________________...
【单选题】What does the report of British Future show?
A.
British people believe only natives can enjoy the British welfare
B.
British people know that the immigrants make great contributions
C.
Some British people worry that immigrants may not follow the rules
D.
Most British people are tolerant of those immigrants born abroad
【单选题】What does the first paragraph tell us?
A.
A) American universities enroll more students than before.
B.
It is not easy to get a place in a good master's program.
C.
Competition is much tougher than before at college.
D.
Americans don't want to work as teachers or administrators.
【单选题】If an art critic has a very ________ political or religious point of view, this can overrun other considerations in judgments about art and give a bias to the description or interpretation made.
A.
sensitive
B.
decided
C.
wavering
D.
overcoming
【简答题】当膀胱充盈时在__________上缘进行膀胱穿刺,穿刺针可不经______
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