韦格纳肉芽肿引起的新月体性肾炎多为 A.抗中性粒细胞胞质抗体(ANCA)阳性 B.抗

题型:单项选择题

问题:

韦格纳肉芽肿引起的新月体性肾炎多为

A.抗中性粒细胞胞质抗体(ANCA)阳性
B.抗肾小球基膜抗体阳性
C.抗核抗体阳性
D.抗线粒体抗体阳性
E.抗肾小管基膜抗体阳性

考点:卫生资格考试(中初级)消化科基础知识消化科主治医师基础知识
题型:单项选择题

下列叙述错误的是()。

A、误差是以真值为标准的,偏差是以平均值为标准的

B、对某项测定来说,它的系统误差大小是可以测定的

C、在正态分布条件下,σ值越小,峰形越矮胖

D、平均偏差常用来表示一组测量数据的分散程度

题型:单项选择题

根据对话情景内容,从对话后所给的选项中选出能填入每一空白处的最佳选项。

— Hi, Mike. Haven't seen you for ages! How are you doing?

— Can't complain. I'm busy with my experiments in the lab but after work often play some sports.

   1  

— Like tennis, running and golf.

— Golf? That's also my favorite game.

— Oh really?

—    2   

— I usually play about once a month. What about you, Susan?

— Play every Sunday.

— Even when it rains?

— Yes, even when it rains. I never miss a game on Sunday.

—   3    

— The Country Club. Do you know it?

—   4    

— That's great! So you know the place.

— Yes, of course. You're going to play next Sunday, I suppose.

— Certainly. Why don't you come with me?

— Let me see.

  5   .

— Oh, I'd love to. What time shall we meet?

— Let's meet at the clubhouse at 1:30 in the afternoon.

—Good. See you then.

A. For example?

B. How often do you play it?

C. Who do you play for?

D. Like what?

E. We can play together.

F. Where do you go?

C. Yes. I was there once.

题型:单项选择题

设由抛物线y=x2与三直线x=a,x=a+1,y=0所围成的平面图形,问a为下列何值时图形的面积最小?()

A.a=1

B.a=-1/2

C.a=0

D.a=2

题型:单项选择题

隋朝在历史上重新统一了分裂的中国,但它却是一个短暂的王朝,其统治类似于历史上的(  )

A.东汉

B.秦朝  

C.北魏

D.元朝

题型:单项选择题

复杂晕

更多题库