主扇风量为2500m3/min,通风阻力应小于()Pa。 A.1000 B.1500 发布时间:2018-04-18 15:19 │ 来源:www.tikuol.com 题型:单项选择题 问题: 主扇风量为2500m3/min,通风阻力应小于()Pa。A.1000B.1500C.2000D.2940
题型:单项选择题 完形填空(共10分) 根据短文内容,从A、B、C、D 四个选项中选出一个最佳答案。(共10分,每小题1分) Mr. Green works in an office in Chicago 21 Saturday, he went to the office to some work. When he got on the elevator, it stopped between the 22 .Mr. Green could not get out of the elevator. He started to 23 , but no one 24 him. Then Mr. Green remembered that it was a holiday in America. No one was going to come to work 25 Tuesday. There was 26 for him to do. He had to wait. With nothing to eat 27 drink, Mr. Green slept for most of the time. Early Tuesday morning, his 28 came to work and found the elevator was not working. When the elevator was 29 , Mr. Green came out. He was cold, weak cold, weak, and tired. He had been in the elevator for about sixty-four 30 ! Now Mr. Green says, “I will only use elevators if they have a telephone in them.”小题1:A.On B.One C.All D.None小题2:A.buildings B.rooms C.steps D.floors小题3:A.speak B.say C.shout D.laugh小题4:A.saw B.heard C.came D.talked小题5:A.until B.on C.by D.since小题6:A.something B.nothing C.everything D.anything小题7:A.and B.for C.or D.but小题8:A.wife B.teachers C.parents D.workmates小题9:A.closed B.opened C.clean D.empty小题10:A.hours B.days C.minutes D.weeks 查看答案
题型:单项选择题 下列有关国际民事诉讼的表述中,正确的是哪一项()A.依我国《民事诉讼法》规定,在涉外民事诉讼中,法院裁定准许诉前财产保全后,申请人应在获得准许后15日内提起诉讼,逾期不起诉的,法院应当解除财产保全B.依我国《民事诉讼法》规定,在涉外民事诉讼中,法院可以依申请也可以依职权采取财产保全措施C.对于与我国既无条约关系又无互惠关系的国家的法院,未通过外交途径直接向我国法院提出的司法协助请求,我国法院应予退回,并说明理由D.除外国驻我国使领馆可以向其本国公民送达文书和调查取证外,任何其他外国机关或个人都不得在我国领域内送达文书和调查取证 查看答案
题型:单项选择题 将2007年我国各行业的劳动力需求按从多到少排序,排在第一、第二位的两个行业的劳动力需求差距与排在第二、第三位的两个行业的劳动力需求差距的比值是()。A.1.9B.2.1C.2.3D.2.5 查看答案