皱胃阻塞发生的原因主要是() A.采食过多难消化的饲料 B.迷走神经紧张性减低 C.

题型:单项选择题

问题:

皱胃阻塞发生的原因主要是()

A.采食过多难消化的饲料

B.迷走神经紧张性减低

C.前胃弛缓

D.以上都是

E.以上都不是

考点:执业兽医师综合科目2016年国家执业兽医资格考试试卷综合(一)
题型:单项选择题

(10分)以下一些氧化物和单质之间可以发生如下图所示的反应:

其中,氧化物(I)是红棕色固体,氧化物(II)、(III)、(IV)在反应条件下都是气体。

(1)氧化物(I)的化学式(分子式)是             

氧化物(II)的化学式(分子式)是             

(2)反应①的化学方程式是                                         

反应②的化学方程式是                                         

反应③的化学方程式是                                         

题型:单项选择题
Even though it was only October,my students were already whispering about Christmas plans. With each passing day everyone became more__36__ waiting for the final school bell. Upon its__37__  everyone would run for their coats and go home,everyone except David.
David was a small boy in ragged clothes. I had often__38__ what kind of home life David had,and what kind of mother could send her son to school dressed so__39__for the cold winter months without a coat,boots,or gloves. But something made David__40__.I can still remember he was always__41__a smile and willing to help. He always__42__ after school to straighten chairs and mop the floor. We never talked much.He__43__ just simply smile and ask what else he could do,then thank me for letting him stay and slowly__44__ home.
Weeks passed and the__45__ over the coming Christmas grew into restlessness until the last day of__46__ before the holiday break. I smiled in__47__ as the last of them hurried out of the door. Turning around I saw David__48__ standing by my desk.
“I have something for you,”he said and__49__from behind his back a small box.__50__  it to me,he said anxiously,“Open it.” I took the box from him,thanked him and slowly unwrapped it. I lifted the lid and to my__51__ I saw nothing. I looked at David’s smiling face and back into the box and said,“The box is nice,David,but it’s__52__.”
“Oh,no. It isn’t.” said David.” It’s full of love. My mum told me before she died that love was something you couldn’t see or touch unless you know it’s there.”
Tears filled my eyes___53__  I looked at the proud dirty face that I had rarely given__54__ to. After that Christmas,David and I became good friends and I never forgot the meaning__55__the little empty box set on my desk..
小题1:
A.anxious B.courageousC.seriousD.cautious
小题2:
A.warningB.ringingC.callingD.yelling
小题3:
A.scoldedB.wonderedC.realized D.learned
小题4:
A.modestlyB.naturallyC.inaccuratelyD.inappropriately
小题5:
A.popularB.upset C.special D.funny
小题6:
A.expressingB.deliveringC.wearingD.sharing
小题7:
A.practised B.wanderedC.studiedD.stayed
小题8:
A.wouldB.shouldC.mightD.could
小题9:
A.aim atB.turn toC.put off D.head for
小题10:
A.argumentB.excitementC.movement D.judgment
小题11:
A.schoolB.year C.education D.program
小题12:
A.reliefB.returnC.vainD.control
小题13:
A.weakly B.sadlyC.quietlyD.helplessly
小题14:
A.searchedB.foundC.raisedD.pulled
小题15:
A.HoldingB.HandingC.Sending D.Leaving
小题16:
A.delight B.expectationC.appreciation D.surprise
小题17:
A.cheapB.emptyC.uselessD.improper
小题18:
A.asB.untilC.because D.though
小题19:
A.adviceB.supportC.attention D.command
小题20:
A.from B.behindC.over D.towards
题型:单项选择题

一质量为m的带电小球,在竖直方向的匀强电场中以初速度v0水平抛出,小球的加速度大小为2g/3,则小球在下落h高度过程中(   )

A.动能增加了mgh                      B.电势能增加了mgh

题型:单项选择题

孢壁

题型:单项选择题

女性,38岁,婚后5年2次自然流产,近1年来月经不调,表现为经期延长,出血量多,基础体温双相,但高温相常持续到下次月经来潮不降,经来第5天刮宫仍能见到分泌期内膜,其可能的诊断是().

A.子宫内膜炎

B.无排卵型功血

C.子宫内膜不规则脱落

D.黄体功能不足

E.子宫黏膜下肌瘤

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