先化简,再求值:(x+2-5x-2)÷x-3x-2,其中x=5-3.

题型:解答题

问题:

先化简,再求值:(x+2-
5
x-2
x-3
x-2
,其中x=
5
-3.
考点:分式的加减乘除混合运算及分式的化简
题型:解答题

某物质经过分析表明只含有一种元素,则此物质    [ ]

A.一定是一种单质

B.一定是纯净物 

C.可能是化合物    

D.可能是纯净物,也可能是混合物

题型:解答题

Usually, there is a teacher-parent meeting in every school year. Some students enjoy it, some don’t. Tom, a little boy invited his mother to attend his school's first teacher-parent meeting. To the little boy's __36__, she said she would go. This __37__ be the first time that his classmates and teacher __38__ his mother and he felt __39__ of her appearance. Although she was a beautiful woman, there was a severe scar (疤痕) that  40 nearly the entire right side of her face. The boy never wanted to _41__ why or how she got the scar.
At the meeting, the people were __42__ by the kindness and natural beauty of his mother __43__ the scar, but the little boy was still embarrassed and   44  himself from everyone. He did, however, get within __45__of a conversation between his mother and his teacher.
The teacher asked __46__, "How did you get the scar on your face?"
The mother replied, "__47__ my son was a baby, he was in a room that caught fire. Everyone was __48__ afraid to go in because the fire was __49__,so I went in. As I was running toward his bed, I saw a long piece of wood coming down and I placed myself over him trying to protect him. I was knocked __50__ but fortunately, a fireman came in and saved both of us." She __51__ the burned side of her face. "This scar will be __52__, but to this day, I have never __53__ what I did."
At this point, the little boy came out running toward his mother with tears in his eyes. He held her in his arms and felt a great __54__ of the sacrifice (牺牲) that his mother had made for him. He held her hand   55  for the rest of the day.
小题1:
A.enjoymentB.excitementC.disappointmentD.surprise
小题2:
A.wouldB.couldC.shouldD.must
小题3:
A.noticedB.greetedC.metD.accepted
小题4:
A.sickB.ashamedC.afraidD.tired
小题5:
A.includedB.passedC.coveredD.shaded
小题6:
A.hear aboutB.think aboutC.care aboutD.talk about
小题7:
A.surprisedB.impressedC.excitedD.comforted
小题8:
A.in sight ofB.by means ofC.by way ofD.in spite of
小题9:
A.separatedB.protectedC.hidD.escaped
小题10:
A.hearingB.remindingC.understandingD.learning
小题11:
A.nervouslyB.carefullyC.seriouslyD.anxiously
小题12:
A.AsB.Now thatC.SinceD.When
小题13:
A.soB.muchC.quiteD.too
小题14:
A.under controlB.out of control
C.in controlD.over control
小题15:
A.helplessB.hopelessC.uselessD.senseless
小题16:
A.pointedB.showedC.touchedD.wiped
小题17:
A.beautifulB.lastingC.seriousD.frightening
小题18:
A.forgotB.recognizedC.consideredD.regretted
小题19:
A.honorB.happinessC.senseD.pride
小题20:
A.quietlyB.tightlyC.slightlyD.suddenly
题型:解答题

在做屋面防水时,经中间检查发现施工不符合设计要求,防水公司也自认为难以达到合同规定的质量要求,就向监理工程师提出终止合同的书面申请,问监理工程师应如何协调处理

题型:解答题

D企业2006年1月15日购入一项计算机软件程序,价款为1170万元,其他税费11.25万元,预计使用年限为5年,法律规定有效使用年限为7年,2007年12月31日该无形资产的可收回金额为720万元,则2007年12月31日该无形资产的账面价值为( )万元。

A.708.75

B.720

C.703.35

D.843.75

题型:解答题

预约保险合同

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