男性,70岁。咳嗽、咳痰、喘息30余年,5年来间断加重,伴有双下肢水肿,1周来咳喘并

题型:单项选择题 A3/A4型题

问题:

男性,70岁。咳嗽、咳痰、喘息30余年,5年来间断加重,伴有双下肢水肿,1周来咳喘并下肢水肿加重伴有嗜睡。

以下检查对诊断具有重要意义的是()

A.MRI检查

B.心电图

C.脑电图

D.血气分析

E.痰培养

考点:呼吸内科学(医学高级)呼吸衰竭、ARDS、睡眠呼吸暂停综合症呼吸衰竭、ARDS、睡眠呼吸暂停综合症题库
题型:单项选择题 A3/A4型题

内囊区出血和血栓的共同表现是

A.昏迷
B.脑膜刺激征明显
C.脑脊液大多正常
D.三偏征
E.失语

题型:单项选择题 A3/A4型题
My friend, David Smith, had pet birds. One day he called me and told me he would be  25 for a week. He asked me to feed the birds for him.
Unfortunately, I did not  26 to feed the birds until the night before David was going to 27 . I ran to his house quickly and soon found the key he gave me,    28 I couldn't open the door! I kept thinking of  29 David would say when he came back.
Then I found that one bedroom window was  30  . I put a big stone (石头)   31 the window, though it was very heavy. I made lots of noise, but in the end, I climbed up.
I had one leg inside the bedroom when I suddenly found that   32 was shining  a flashlight (手电筒) up at  33 . I looked down and  34 a policeman and an old lady, one of David's neighbors. "What are you doing up there?" asked the policeman. Feeling like a fool, I answered: "I was just going to feed Mr Smith's birds."                                                                         
小题1:
A.downB.lateC.aroundD.away
小题2:
A.rememberB.decideC.agreeD.hope
小题3:
A.leaveB.finishC.arriveD.return
小题4:
A.soB.butC.andD.or
小题5:
A.whatB.howC.whenD.which
小题6:
A.cleanB.newC.lostD.open
小题7:
A.alongB.underC.overD.behind
小题8:
A.anyoneB.everyoneC.someoneD.no one
小题9:
A.usB.meC.themD.him
小题10:
A.visitedB.caughtC.sawD.heard
题型:单项选择题 A3/A4型题

某实验初级中学初二(1)班李强同学在“探究凸透镜成像规律”的实验中遇到了如下困惑.请聪明的你帮助他解决.

困惑一:当蜡烛到凸透镜的距离大于1倍焦距同时小于2倍焦距时,在透镜的另一侧的光屏上得到一个倒立的清晰的像.如果他想使光屏上成的像变小且清晰,该如何调整?

(1)你的调整方法是:______.

困惑二:如果用不透明纸将凸透镜的上半部分挡住,则光屏上还能出现像,但像的亮度变弱,请你解释原因?

(2)你的解释是:______.

困惑三:李强同学还想知道蜡烛火焰在光屏上成的像左右是否颠倒.请你帮他设计实验.

(3)你的设计方法是:______.

题型:单项选择题 A3/A4型题

关于接收上行授权ULGrant,以下说法正确的是()

A.UE在每个TTI上接收ULGrant

B.PDCCH(DCI=format 0)

C.随机接入响应(Random Access Respons)

D.PUCCH(format 1) SR调度请求

题型:单项选择题 A3/A4型题

电话装、移机时限是指自电信企业受理用户装、移机交费之日起,至装、移机通话所需要的时间()。统一装机时限是()天。

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