问题 单项选择题

下列哪项不是原发性肝癌的继发征象()。

A.肝门向健侧移位

B.肿块附近的血管绕行、抬高

C.肝内胆管不同程度扩张

D.门静脉癌栓形成

E.肝内实性肿块,内见不规则无回声区

答案

参考答案:E

解析:肝癌可引起肝形态失常,巨块型肝癌可压迫肝门使肝门向健侧移位。肿块挤压及浸润周围血管结构,可使血管绕行、抬高、受压和中断及门静脉癌栓形成。肿块侵及肝胆管或肝门结构,可引起肝内胆管不同程度扩张。而E为肝癌的直接征象,故E为正确答案。

改错题

此题要求改正所给短文中的错误,对标有题号的每一行作出判断,如无错误在该行右边横线上画一个勾,如有错误,则按下列情况改正:

此行多一个词:把多余的词用斜线划掉,在该行右边横线上写出该词,并也用斜线划掉。

此行缺一个词:在缺词处加一个漏字符号,在该行右边横线上写出该加的词。

此行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。

注意:原行没有错的请不要改。

Next week I’m going to see my teacher who teaches me            

小题1:.. __________

English in the middle school. She just completed thirty            

小题2:.. __________

years of teaching and gained rich experience in his                

小题3:. __________

work. What lively and interesting her classes were!                

小题4:.. __________

The way she taught English impressed us great. I found             

小题5:.. __________

I had great difficulty with English grammar the moment             

小题6:. __________

I entered in the school. It was she who immediately                

小题7:.__________

came to help. With her help, I made great progresses               

小题8:. __________

in English. Once I even got first place in an English              

小题9:. __________

examination. I owe my thank to her, my English teacher.            

小题10:. __________

单项选择题