下列各组物质按混合物、纯净物、单质、化合物分类正确的是() A.空气、糖水、一氧

题型:选择题

问题:

下列各组物质按混合物、纯净物、单质、化合物分类正确的是(   )

A.空气、糖水、一氧化碳、铁粉

B.空气、水、金刚石、氯酸钾

C.空气、氮气、氢气、澄清石灰水

D.空气、矿泉水、红磷、高锰酸钾

考点:单质和化合物纯净物和混合物氧化物同素异形体
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“Welcome, Mary,” I said. She raised her head and looked into my eyes. The smile on my face  36 . Dear God, I thought, what   37  has entered the life of this little girl?
After settling Mary into her new desk and   38  her, I went to the headmaster. She said, “Sit down and I’ll   39  you in. Mary’s mother who loved her very much was shot and killed in her   40  one night at their house. Mary, screaming, escaped to a neighbor’s. Then the child went into   41 . She hadn’t cried or   42  her mother since.”
I returned only to discover that the children were already avoiding this “ 43 ” child. “Mary’s been hurt badly, but we can do a lot to help her,” I explained gently. Bless all children. How loving they can be   44  they understand.
In spite of our  45 , we seemed to be getting no closer to Mary and even my faith was wearing   46 . My heart ached so badly, wanting this child to come alive, to be aware of the beauty, the wonder, the fun, and even the   47  of living.
Spring approaching, children   48  to make flower baskets for room decoration. During the lunch time, a girl came hurrying to me. “Come to see Mary’s basket,” she said   49 . “You’ll never believe it!” I   50  my breath at its beauty, for it couldn’t have been the work from a child that   51 .
“Mary,” I said. “This is beautiful. How did you ever   52 ?” She looked at me with the shining eyes of any   53  little girl, saying, “My mother loved flowers.”
Thank you, God, You’ve   54  us the miracle(奇迹). I knelt and put my arms around the child. Then the tears came, slowly at first, but soon she was   55  her heart out against my shoulder. The other children had tears in their eyes, too, but theirs—like mine—were tears of joy.
小题1:
A.formedB.broadened C.spread D.froze
小题2:
A.wonder B.problem C.horrorD.amazement
小题3:
A.introducing B.comforting C.praising D.touching
小题4:
A.put B.fill C.push D.let
小题5:
A.absenceB.presenceC.company D.eyes
小题6:
A.shockB.angerC.hungerD.action
小题7:
A.missedB.mentioned C.seenD.heard
小题8:
A.sweetB.sad C.lonelyD.different
小题9:
A.beforeB.though C.onceD.unless
小题10:
A.lessonsB.talksC.wordsD.efforts
小题11:
A.strongB.thickC.thinD.heavy
小题12:
A.costB.painC.courseD.pleasure
小题13:
A.decidedB.waitedC.preferredD.wished
小题14:
A.worriedlyB.excitedlyC.softlyD.secretly
小题15:
A.caught B.stoppedC.countedD.took
小题16:
A.oldB.weakC.youngD.clever
小题17:
A.arrange B.prepareC.handleD.manage
小题18:
A.unusual B.carefulC.normalD.friendly
小题19:
A.toldB.taughtC.paid D.given
小题20:
A.crying B.shoutingC.drawing D.Knocking
题型:选择题

不常发生血道转移的肿瘤为()

A.食道癌

B.肺腺癌

C.前列腺癌

D.肾癌

E.胃癌

题型:选择题

胚胎性肿瘤是()。

A.癌

B.肉瘤

C.母细胞瘤

D.精原细胞瘤

E.霍奇金病

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试述行政领导者应该具备的能力。

题型:选择题

自游生物

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