混凝土的徐变是由于水泥石中的()在长期荷载作用下产生的粘性流动,并向()内迁移的结果

题型:单项选择题

问题:

混凝土的徐变是由于水泥石中的()在长期荷载作用下产生的粘性流动,并向()内迁移的结果。

A.氢氧化钙,毛细孔

B.凝胶体,毛细孔

C.氢氧化钙,凝胶孔

D.凝胶体,凝胶孔

考点:材料科学土木工程材料土木工程材料题库
题型:单项选择题
“Wanted: Violin. Can’t pay much. Call…”
That advertisement in the newspaper made me remember my childhood. I, too, had wanted a violin, but we didn’t have the money. Even though times were   16 , I couldn’t wait any longer to ask. “Daddy, may I have a violin of   17 ?” Daddy’s face looked   18 . But a few weeks later, Daddy went home, with a case in his hand,   19 ,“Mary, I found this secondhand violin for seven dollars.”
The day when I carried my violin to school for my first lesson , no one could know how   20  I was. I practiced, joined the school orchestra(管弦乐队), gave performances……Several years seemed to run even quickly and I found myself in the first violin chair. More years   21 , and my violin made every move with me, until one day, I carefully   22  it away.
Now here   23  this want advertisement, I discovered the case deep in my closet(储藏室). I put it on the table. Then I picked up the   24 , walked to the telephone and called by the   25 .
Later in the day, a man of about 30 knocked at the door. “I’ve been expecting someone would  26  my advertisement. My daughter wants a violin so  27 ,”he said, examining my violin. “How much are you asking?”
I said, “Seven dollars.” “Are you sure?” he asked,   28  he did not believe his ears. “Seven dollars.” I   29  and then added,” I hope your little girl will enjoy it   30  I did.”
I smiled, but I found my tears(眼泪) rolling down my face.
小题1:
A.easyB.hardC.lateD.long
小题2:
A.myB.mineC.myselfD.me
小题3:
A.angryB.happyC.sadD.funny
小题4:
A.answeringB.sayingC.askingD.telling
小题5:
A.surprisedB.excitedC.interestedD.embarrassed
小题6:
A.pastB.was passedC.passingD.passed
小题7:
A.carriedB.putC.tookD.threw
小题8:
A.aboutB.byC.inD.for
小题9:
A.advertisement B.violinC.caseD.newspaper
小题10:
A.dateB.nameC.numberD.address
小题11:
A.offerB.answerC.receiveD.find
小题12:
A.badlyB.easilyC.quicklyD.luckily
小题13:
A.thoughB.whenC.as ifD.until
小题14:
A.repeatedB.continuedC.remindedD.suggested
小题15:
A.whichB.whenC.whatD.as
题型:单项选择题

在致龋的食物糖中致龋性最强的是 ()

A.果糖

B.蔗糖

C.麦芽糖

D.乳糖

E.淀粉

题型:单项选择题

剧痛和感觉过敏,皮温增高的是()

A.Ⅰ度烧伤

B.浅Ⅱ度烧伤

C.深Ⅱ度烧伤

D.Ⅲ度烧伤

E.轻度烧伤

题型:单项选择题

有关南极洲的叙述,正确的是(  )

A.是各大洲中跨纬度最广的大洲

B.是各大洲中跨经度最广的大洲

C.周围直接濒临四大洋

D.全部位于南半球,东半球上

题型:单项选择题

常用的差错检验方法有哪些()。

A.奇偶校验

B.方块校验

C.网络校验

D.循环冗余校验

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