简述二尖瓣关闭不全的超声心动图表现。

题型:问答题

问题:

简述二尖瓣关闭不全的超声心动图表现。

考点:医院评审三基考试医学影像科学超声诊断临床三基训练医技超声诊断学心血管系统
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《野雁的感觉》一文给我们介绍了野雁在迁徙飞行过程中的情况,也告诉我们一些做人的道理 [ ]

A.良好的集体对我们的成长有着积极的影响

B.一个人只有融入集体,才能充分展现他的才华和生命的价值

C.一个有凝聚力的集体的形成,要靠全体成员的团结与奉献

D.只有在集体中,我们才能感受到集体的温暖,才有归属感和力量感

题型:问答题
I was working on my usual Sunday afternoon shift at the bakery. The flow of   36  rushed to finish weekend shopping in order to return home   37  to prepare supper or watch the football game. I   38  on my job of stamping hundreds of bags for the coming holiday  weekend   39  I heard a weak voice, “Excuse me, miss.” I   40   up to see an elderly man standing before me. He  41   asked if he could have a tart (果陷饼). I went to fetch the tart and placed it in a box.
“Three dollars, please.” I told him. The man looked   42  and began shaking his head. This is one of the most awkward   43  , because you want to give the dessert away, but cannot. He apologized, saying he would not   44    more than expected on a tart.
  45___ I felt upset, I waited on (照顾) the customer behind him, a woman who asked for various breads and desserts   46  a dinner party she was hosting. After finishing her_ 47  , she asked if I would   48  adding a tart to her bill and placing it in a  49  box. My curiosity grew as I handed it to her. She paid, _ 50  me and walked away.
I   51  to stamping bags, but I couldn’t concentrate. I could not stop thinking about the little old man who could not, or _ 52   not, spend three dollars on a dessert. Just then, I saw the woman giving the man   53 _ much-desired tart. His face   54  , brilliant and appreciative.        ___55   her kindness, he reached into his pocket and gave her the only thing he had: a piece of candy.
小题1:
A.workersB.womenC.housewivesD.customers
小题2:
A.whetherB.eitherC.asD.while
小题3:
A.madeB.dependedC.focusedD.put
小题4:
A.thenB.thatC.whichD.when
小题5:
A.cameB.gotC.lookedD.covered
小题6:
A.politelyB.loudlyC.proudlyD.rudely
小题7:
A.angryB.disappointedC.happyD.poor
小题8:
A.momentsB.personsC.mannersD.ways
小题9:
A.payB.useC.spendD.waste
小题10:
A.BecauseB.SinceC.BeforeD.Although
小题11:
A.forB.inC.fromD.to
小题12:
A.questionB.orderC.shoppingD.need
小题13:
A.mindB.likeC.tryD.consider
小题14:
A.similarB.usualC.dividedD.separate
小题15:
A.greetedB.excusedC.thankedD.left
小题16:
A.ranB.turnedC.returnedD.walked
小题17:
A.daredB.wouldC.shouldD.must
小题18:
A.herB.hisC.myD.their
小题19:
A.showed upB.turned upC.lit upD.lifted up
小题20:A.In honor of BIn addition to  C.In place of      D. In return for
题型:问答题

当直线段始终保持垂直于圆柱轴线,并绕圆柱做螺旋线运动时形成的曲面称为正螺旋面。( )

题型:问答题

审评香气,冬天要求要快的原因是()。

A、温度较低

B、环境干燥

C、天高气爽

D、光线较弱

题型:问答题

收报作业“核对组数”的目的是()。

A、防止报文缺失

B、检查报头是否漏项

C、填写日志

D、执行程序

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