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问题 单项选择题

男，9岁，反复咳嗽5年，咳嗽常与变换体位有关，痰多，不规则发热，一年来，时有咯血，其可能的诊断是

A．肺结核

B．肺脓肿

C．特发性肺含铁血黄素沉着症

D．支气管扩张

E．肺栓塞

答案

参考答案：D

改错题

短文改错（共10小题；每小题1.5分，共15分）

下面短文中有10处语言错误。请在有错误的工方增加、删除或修改某个单词。

增加：在缺词处加一个符号（^），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意： 1. 每句不超过两个错误；

2. 每处错误及其修改均只限一词；

3. 只允许修改10处，多者（从第11处起）不计分。

Today we had a chemistry test. I found the test difficulty, but I tried hardly to do it. Suddenly Mary, my best friend, asking me to let her to copy my answers. After think for some time, I let her copy my answers. But after the test, all of us were called to the teacher's office. The teacher was angry because we had same answers in the tests. We were warned not to cheat again so she would need to see our parents. I was very upset. I didn't cheat. I was just helping a friend. Why does she punish me?
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单项选择题

临床上最为常用的血液制品是

A．洗涤红细胞

B．红细胞悬液(添加剂红细胞)

C．浓缩白(粒)细胞

D．普通冰冻血浆

E．冷沉淀
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