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男，60岁，2个月来干咳，呼吸困难进行性加重。体检：杵状指，肺底部Velcro啰音。胸片示双肺弥漫分布的网结状阴影，HRCT示双下肺沿胸膜分布的蜂窝状阴影。BALF示中性粒细胞比例增高。提示：此病考虑为特发性肺纤维化（IPF）。提问：对于下列叙述不正确的是（）A.
可有血沉增快
B.
激素治疗效果好
C.
肺功能示限制性通气障碍
D.
肺功能示弥散功能降低
E.
类风湿因子滴度可增高
F.
抗核抗体可出现阳性
G.
丙种球蛋白可减低
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【简答题】Have you ever thought of taking a train and having an adventure(奇遇)？Riding the train can be a real adventure.That is how I feel every time I take Amtrak.I often take a four--hour trip to visit my chil...
【单选题】— Do you know the man is running along the street? — Yes. He is our English teacher. [ ]
A.
who
B.
which
C.
whom
【单选题】________ with flying, taking the train is safer.
A.
Compared
B.
To compare
C.
Comparing
D.
Compare
【简答题】Listen and choose the answer. 1. A. He is Mr. Green. B. He is in the classroom. C. He is our English teacher. 2. A. She is from Britain. B. She's my friend Mary. C. She's seven. 3. A. They are bees. B...
【简答题】Have you ever thought of taking a train and having an adventure？Riding the train can be a real adventure. That is how I feel every time I take Amtrak. I often take a four-hour trip to visit my childre...
【单选题】中央经济工作会议确定2013年保持宏观经济政策的连续性和稳定性，继续实施积极的财政政策和稳健的货币政策，根据新形势新情况着力提高政策的针对性和灵活性。下列属中央经济工作会议确定2013年保持宏观经济政策的连续性和稳定性，继续实施积极的财政政策和稳健的货币政策，根据新形势新情况着力提高政策的针对性和灵活性。下列属于积极财政政策内容的是（） ①下调存贷款利率 ②减少税收 ③增加经济建设支出 ④增加税收
A.
①③
B.
②③
C.
③④
D.
①②
【简答题】He _____ our English teacher.
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