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问题 多项选择题

下列关于咽喉部的恶性肿瘤的说法，正确的是（）。

A.早期症状可为咽异感症

B.活检后病理切片检查可确诊

C.喉咽部恶性肿瘤多为鳞癌

D.采用手术、放疗及化疗等综合治疗

E.环后癌多见于男性

答案

参考答案：A, B, C, D

改错题
短文改错。
      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:
     如有错误(每行只有一个错误)，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:原行没有错的不要改。
I eager to go to college because I know there is
so many to learn about the world and about human
being. Knowledge is a source of pleasure for me. I
want to study at a college for the fun to knowledge.
I know the college education can prepare me better for
my future. Better education means, more often than not, 
better jobs, better opportunities and better choices.
I want to go to the college because I know that my
parents and other people care for me will be happy
with that. Unless I can study at a nice university, I
will make them happier. I'd like to let you down.
"That's why I must go to college.









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单项选择题

从1994年起，上海证券交易所在证券回购交易中率先改用( )以作为证券回购交易的报价方式。

A．年收益率

B．百元面值债券的到期回购价

C．到期收益率

D．持有期收益率
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