某化学兴趣小组的同学做了下列实验,实验过程和现象如下: 【提出问题】反应后B烧杯

题型:问答题

问题:

某化学兴趣小组的同学做了下列实验,实验过程和现象如下:

【提出问题】反应后B烧杯内的溶质的成分是什么?

【猜想与假设】甲:HCl、CaCl2、MgCl2乙:CaCl2

【讨论与评价】请你对甲的猜想进行评价:______;乙猜想的理由是______

【设计与实验】你认为除上述情况外,溶质的成分还可能是______;若通过实验验证乙的猜想与实际情况不符,请你设计实验来探究B中溶质的成分.

实验方案预计实验现象实验结论

考点:碱的性质
题型:问答题

()是指当事人为了保障债权的实现,根据法律规定或者当事人约定而采取的法律保护措施。

A.保证

B.抵押

C.质押

D.担保

题型:问答题

溃疡性结肠炎的常见病理改变见()

A.黏膜弥漫性充血,水肿,出血

B.黏膜溃疡

C.肠穿孔

D.瘘管形成

E.结肠周围脓肿

题型:问答题
完形填空(共20小题, 每小题1分,满分20分)
Soon Tommy's parents, who had recently separated (分居), would arrive for a meeting on his failing schoolwork and 16 behavior. Neither parent knew that I had called up 17 .
Tommy, an only child, had 18 been happy, cooperative, and an excellent student. How could I make his father and mother 19  that his recent failing grades 20  a brokenhearted child's reaction to his respected parents' separation and possible 21 ?
Tommy's mother came in and 22  one of the chairs I had placed near my desk. Then the father 23  and was obviously surprised to see his wife. They pointedly(显然) ignored each other.
As I gave a detailed 24  of Tommy's behavior and schoolwork, I prayed for the 25  words to bring these two together to help them see what they were doing to their son. 26  somehow the words wouldn't come.
I found a crumpled (弄皱的), tear-stained 27  stuffed (塞) in the back of Tommy's desk. Writing covered both sides, a single 28  scribbled (乱写) over and over.
Silently I smoothed(弄平) it out and gave it to Tommy's mother. She read it and then without a word handed it to her husband. He 29  . Then his face softened. He studied the scribbled words for 30 seemed a future life.
At last he folded the paper carefully and 31   his wife's outstretched(伸出的) hand. She wiped the tears from her 32  and smiled up at him. I also couldn't keep back tears, but 33  seemed to notice.
In this way I used the words to 34  that family. On the sheet of yellow copy paper 35 with the painful outpouring of a small boy's troubled heart, it said.
"Dear Mother ... Dear Daddy ... I love you ... I love you ... I love you."
小题1:
A.satisfyingB.excitingC.disappointing D.surprising
小题2:
A.the others B.the otherC.another oneD.each other
小题3:
A.never B.rarely C.alwaysD.usually
小题4:
A.hope B.believe C.promise D.trust
小题5:
A.stood for B.looked for C.cared for D.made for
小题6:
A.happiness B.cruelty C.selfishness D.divorce
小题7:
A.got B.took C.possessed D.seated
小题8:
A.reached B.sat C.arrived D.went
小题9:
A.account B.record C.comment D.paper
小题10:
A.common B.exciting C.mistaken D.right
小题11:
A.So B.And C.But D.Then
小题12:
A.letter B.sheetC.message D.schoolwork
小题13:
A.word B.article C.phrase D.sentence
小题14:
A.cried B.laughed C.frowned D.smiled
小题15:
A.which B.as if C.what D.when
小题16:
A.reached forB.hunted forC.kept off D.searched for
小题17:
A.faces B.eyes C.head D.nose
小题18:
A.both B.neither C.either D.none
小题19:
A.reunite B.unite C.satisfy D.help
小题20:
A.lined B.formed C.written D.covered
题型:问答题

在人身意外伤害保险中,意外事故发生的原因必须是意外的、偶然的和()。

A.可预知的

B.可测定的

C.多变化的

D.不可预见的

题型:问答题

2000年5月14日,江 * * 在江苏、浙江、上海党建工作座谈会上发表了重要讲话,特别强调:“推进党的(),都应贯穿“三个代表”的要求。

A.思想建设

B.政治建设

C.组织建设

D.作风建设

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