Warum hat er sich nicht an seine Freunde g 发布时间:2017-07-01 06:00 │ 来源:www.tikuol.com 题型:问答题 问题: Warum hat er sich nicht an seine Freunde gewandt ,als er in Schwierigkeiten war
题型:问答题 They've won their last three matches,________ I find a bit surprising actually.A.thatB.whenC.whatD.which 查看答案
题型:问答题 溶解度可表示物质溶解性的大小。(1)如图1是甲、乙、丙三种固体物质(均不含结晶水)的溶解度曲线。Ⅰ.40 ℃时,乙和丙___________(填“能”或“不能”)形成溶质质量分数相同的饱和溶液。Ⅱ.20 ℃时,烧杯中分别盛有相同质量甲、乙、丙的饱和溶液,各加入等质量的对应固体,并升温至50 ℃。请填表:烧杯中的溶质烧杯中固体的变化甲 乙固体逐渐减少至全部溶解丙 (2)Ⅰ.打开可乐瓶,逸出大量气体,由此可见,压强越小,CO2的溶解度越______,若要加大二氧化碳溶解的量可采用的一种方法是____________________。Ⅱ.不同温度下,氧气的溶解度随压强的变化如图2所示,图中t1对应的温度为40 ℃,则t2对应的温度___________(填序号)。a.大于40 ℃ b.小于40 ℃ c.无法确定 查看答案
题型:问答题 ExtremeProgramming(XP)isadisciplineofsoftwaredevelopmentwith①()ofsimplicity,communication,feedbackandcourage.Successfulsoftwaredevelopmentisateameffort-notjustthedevelopmentteam,butthelargerteamconsistingofcustomer,managementanddevelopers.XPisasimpleprocessthatbringsthesepeopletogetherandhelpsthemtosucceedtogether.XPisaimedprimarilyatobject-orientedprojectsusingteamsofadozenorfewerprogrammersinonelocation.TheprinciplesofXPapplytoany②()projectthatneedstodeliverqualitysoftwarerapidlyandflexibly.AnXPprojectneedsa③()customertoprovideguidance.Customers,programmers,managers,areallworking④()tobuildthesystemthat’sneeded.Customers-thosewhohavesoftwarethatneedstobedeveloped-willlearnsimple,effectiveWaysto⑤()whattheyneed,tobesurethattheyaregettingwhattheyneed,andtosteertheprojecttosuccess.④()A.togetherB.by themselvesC.separatelyD.alone 查看答案