对于胸腔积液。下列哪项不正确() A.积液量在300~500ml时可无临床症状

题型:单项选择题

问题:

对于胸腔积液。下列哪项不正确()

A.积液量在300~500ml时可无临床症状

B.积液量小于500ml可有X线表现

C.CT检查对提示积液性质无效

D.B超是敏感性最高的检查胸腔积液的无创性诊断方法

E.X胸部X线片可不表现为弧形向上的积液影

考点:安徽住院医师临床病理科呼吸科呼吸科题库
题型:单项选择题

前臂正位摄影要点中,错误的是()

A.患者侧坐于摄影床旁

B.患侧前臂伸直

C.掌侧向下紧贴暗盒

D.前臂中点置于暗盒中心

E.中心线于前臂中点垂直射入暗盒

题型:单项选择题
I remember one Thanksgiving when our family had no money and no food, and someone came knocking on our door. A man was __36_____ there with a huge box of food, a giant turkey and even some ___37___to cook it in. I couldn’t ___38_____it. My dad demanded, “Who are you? Where are you from?” The stranger announced, “I’m here because a friend of yours knows you’re in need and that you wouldn’t accept ___39_____help, so I’ve brought this for you. Have a great Thanksgiving.” My father said, “No, no, we ___40_____ accept this.” The stranger replied, “You don’t have ___41_____” , closed the door and left.
Obviously that experience had a profound impact(深刻影响)on my life. I ____42____myself that someday I would do well enough financially ___43____ I could do the same thing for other people. By the time I was eighteen I had created my Thanksgiving ritual(习惯). I would go out __44_____ and buy enough food for one or two __45_____. Then I would dress like a delivery boy, go to the ____46____ neighborhood and just knock on a ___47_____ . I always ___48_____ a note that explained my Thanksgiving experience ____49____a kid. The note said, “All that I ask __50______is that you take good enough care of __51_____ so that someday you can do the same thing for someone else.” I have received more from this annual ritual than I have from any amount of ___52_____ I’ve ever earned.
Years ago I was in New York City with my new wife during Thanksgiving. She was sad because we were not with our family. ___53____she would be home decorating the house for Christmas, but we were ___54_____ in a hotel room. When I told her what I always did on Thanksgiving, she got excited.
We packed enough food for seven families for thirty days and went to buildings where half a dozen people lived in one room with no electricity and no heat in winter surrounded by rats, cockroaches(蟑螂)and the smell of urine(尿). It was both an ___55______realization that people lived in this way and a truly fulfilling experience to make even a small difference.
小题1:
A.speakingB.standingC.lookingD.shouting
小题2:
A.meatB.vegetablesC.pansD.firewood
小题3:
A.believeB.acceptC.helpD.refuse
小题4:
A.directB.someC.ourD.any
小题5:
A.may notB.needn’tC.can’tD.daren’t
小题6:
A.any moneyB.a choiceC.foodD.a turkey
小题7:
A.permittedB.promisedC.askedD.said
小题8:
A.whenB.so thatC.even ifD.as if
小题9:
A.drivingB.playingC.offeringD.shopping
小题10:
A.peopleB.childrenC.familiesD.days
小题11:
A.nearestB.farthestC.largestD.poorest
小题12:
A.houseB.doorC.windowD.gate
小题13:
A.concludedB.includedC.wroteD.took
小题14:
A.likeB.withC.asD.to
小题15:
A.in returnB.laterC.in futureD.for
小题16:
A.othersB.yourselfC.your familyD.the presents
小题17:
A.warmthB.thanksC.moneyD.encouragement
小题18:
A.UnfortunatelyB.ObviouslyC.NormallyD.Gradually
小题19:
A.stuckB.excitedC.freeD.delighted
小题20:
A.excitingB.astonishingC.encouragingD.Outstanding
题型:单项选择题

企业在产品投入期采用缓慢——掠夺策略的条件是()

A.消费者对价格很敏感

B.产品已广为人知

C.竞争威胁不大

D.企业财力有限

E.目标市场的潜力和规模有限

题型:单项选择题

提高发动机充气效率的措施有哪些?

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GFM电池在电信部门通常为浮充使用,浮充电压的选择对电池的使用寿命有无影响?

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