问题 单项选择题 A1型题

类风湿关节炎(RA)病人中可以查到类风湿因子(RF),因此RF()

A.是诊断RA的必备条件

B.一旦出现,将不会发生改变

C.可随疾病的变化而变化

D.正常人不会出现

E.在其他自身免疫病中不会出现

答案

参考答案:C

解析:类风湿因子(RF)见于类风湿关节炎(RA)、原发性干燥综合征、系统性红斑狼疮(SLE)、系统性硬化症等多种结缔组织病(CTD),特异性较差,对RA诊断有局限性,但在诊断明确的RA中,RF滴度可判断其活动性。

完形填空

第三节短文填词(共10小题;每小题1分,满分10分) 

阅读下面短文,根据以下提示(汉语提示、首字母提示或语境提示),在每个空格内填入一个适当的英语单词,并将该词完整地写在右边相对应的横线上。所填单词要求意义准确,拼写正确。

There is a chemical factory near my home. The manager, who was in        

90) c_____of the factory, was criticized (批评) by the government because     90. ________

the factory gave out a lot of waste gas every day, 91)_____ badly influences    91. ________

(影响) people’s health. But the manager still paid no attention to environmental  

92)_________(保护). When the factory was forced to stop production, the          92. ________

manager said angrily, “Is there any evidence to prove that we did 93) h______       93. ________

to people’s health? In 94) r_____, we haven’t done anything wrong.” Just then,  94. ________

a doctor came, with the manager’s physical examination report, saying that the       

manager was 95)s________ from a severe lung cancer.                                95. ________

96)_______ is very clear that the pollution has an extremely bad effect        96. ________

97)______ the people around the factory, including the manager himself. The  97. ________

manager regretted (后悔) that what they had done had 98) r______ in so much       98. ________

pollution. Now he has realized the 99) i__________ of keeping the air clean.   99. ________      

多项选择题