管道水压试验过程中,在试验压力下10min内压力降不应大于( )MPa。A.0.0 发布时间:2017-12-05 13:36 │ 来源:www.tikuol.com 题型:单项选择题 问题: 管道水压试验过程中,在试验压力下10min内压力降不应大于( )MPa。A.0.03B.0.04C.0.05D.0.06
题型:单项选择题 阅读理解。For Children Museum: Children's Museum, Sunday, 89 North Main Street, 67641235 Story time: Children's Library, 106 Green S TREET, Wednesdays during 9:30 a.m.-5:00 p.m., 66599624Sports: Soccer Club, Tuesdays and Thursdays, 16 Yangtze Road, 96725643Basketball Club, Wednesdays and Fridays, 79071632 Cinema: New films for children, 99 Brick Road, 69001354Useful Phone Numbers Fast Food Restaurant: 66387901 Hospital: 68787451 Visitor Information Center: 800-120-9847 Taxi: 79210538 Visitor Hotel Information: 800-739-73021.It's Friday afternoon, you can go to ______. [ ]A.visit the museum B.play soccerC.play basketball D.read children's stories 2.If children want to watch new films, they should go to ______. [ ]A.16 yangtze Road B.89 Noth Main Street C.106Green Street D.99 Brick Road 3.If you dial (拨号) 66387901, you can ______. [ ]A. ask for some hotel information B.do some shopping C.have a good story time D.order fast food in a restaurant 4.Lily's father is ill. She should dial ______. [ ]A.800-120-9847 B.79210583 C.68787451 D.96725643 5.You can not get any information about ______ from the two notices. [ ]A.looking for a hotelB.doing eye exercisesC.eating fast foodD.taking a taxi 查看答案
题型:单项选择题 青藏铁路从勘测设计到开工建设,前后经历了半个世纪,2005年10月15日全线贯通。青藏铁路格尔木~拉萨段,全长1118千米,于海拔4000米以上的地段就有965千米,其中多年冻土地段550千米,是全球目前穿越高原、高寒、缺氧及连续性永久冻土地区最长的铁路。分析回答1—3题。 1.对青藏高原地区交通线路分布影响最小的因素是: [ ]A.地形B.经济因素C.人口因素D.资源2.沿线冻土广布的原因是:[ ]A.沿线地区受夏季风影响降水丰富B.沿线地区地势高,气候寒冷C.沿线都处在河谷地势低洼D.沿线地处高原,降雪量大 3.青藏铁路穿越冻土最主要的办法是:[ ]A.避开冻土筑路B.“之”、“8”字型弯曲C.“以桥代路”D.冬季在冻土表层筑路 查看答案
题型:单项选择题 —___________. —Yes, please. I'd like to buy a cap. [ ]A. Can I help you?B. Can you help me? C. Is that all? 查看答案
题型:单项选择题 右图为周期表中短周期的一部分,若A原子的最外电子层上有5个电子,则下列说法中不正确的是A.C的单质可跟B的氢化物的水溶液反应B.原子半径A>B>CC.D的氢化物比B的氢化物稳定 D.A的高价氧化物对应水化物比B的高价氧化物对应水化物的酸性强 查看答案