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问题 单项选择题

有关缺铁性贫血的实验室检查，正确的是

A．血清铁蛋白降低
B．红细胞游离原卟啉降低
C．血清铁和总铁结合力降低
D．骨髓可染铁增加
E．转铁蛋白饱和度增加

答案

参考答案：A

填空题

读短文，用所给动词的适当形式填空。

     When you send a postcard, you have to 1_____ (put) stamps on the envelope or on the card. When did

people first begin 2_____ (use) stamps? Who was the first 3_____ (think) of this idea? In the early century,

people 4_____ (not use) stamps. They had to pay postage whenthey received it. Rowland Hill was a school

teacher in England. He was the first to think of 5_____ (use) stamps in the 1850s. He thought it would be

easier for people to use the stamps. Now we know

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单项选择题

男性，60岁，咳嗽、痰血伴左胸部不适2个月。胸部平片及CT检查示左上肺结节影，肺门淋巴结不大。左锁骨上淋巴结肿大。患者既往无结核病史。首先应采取的处理是

A．化学治疗
B．免疫治疗
C．左锁骨上淋巴结活检
D．观察2个月后胸片检查，视肺结节影有无变化再做进一步处理
E．放射治疗
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