上海2016土建材料员模拟试题（卷）.doc

上海2016年土建材料员模拟试题本卷共分为1大题50小题,作答时间为180分钟,总分100分,60分及格。一、单项选择题(共25题,每题2分,每题的备选项中,只有1个事最符合题意)1、骨料的坚固性需按标准规定用硫酸钠溶液检验,试样须经__次循环。、蒸压加气混凝土砌块中,合格品的贯穿一棱二面的裂纹长度不得大于裂纹所在面的裂纹方向尺寸总和的__。//43、混凝土强度标准差宜根据同类混凝土统计资料计算确定,计算时,当混凝土强度等级为C20和C25级,,计算配制强度用的标准差应取不小于__。、~,堆积密度为__kg/m3。~~~~14005、Thecellphone,adevicewehavelivedwithformorethanadecade,offersagoodexampleofapopulartechnology’(1)aroundtheworld,andwhenasked,their(2)saytheylovetheirphonesforthesafetyandconvenience(3)(4)(5)that"98percentofAmericanssaytheymoveawayfrom(6)whentalkingonawirelessphoneinpublic"(7)"86percentsaythey’never’or’rarely’speak(8)wirelessphones"whenconducting(9),thereexistsa(10)--thatistosay,mostofus--are(11)instigatorsandvictimsofthisformofconversationalpanhandling,andit(12)(13),thereissomethingdeeplydisturbingaboutpeoplewhoare"(14)contact"insocialsituationsbecausetheyareblatantlyrefusingto(15)(16)unwillinglistenerswhomustcedetoyouruseofthepublic(17),’talwayspassively(18)thissituation:inrecentyears,peoplehavebeenpepper-sprayedinmovietheaters,(19)fromconcerthailsanddeliberatelyrammedwithcarsasaresultof(20)()、粉状外加剂应防止受潮结块,如有结块,经性能检验合格后,应粉碎至全部通过__筛后方可使用。、__是材料供、管、用的基层单位,它的材料工作重点是管和用。、选择合理砂率,有利于__。