患者女性，42岁，3年前自觉双手指、腕关节肿胀疼痛，活动僵硬，晨起时明显，活动后稍减轻，逐年加重，活动受限，遇冷时手指苍白疼痛。查体双手指近端指关节梭形肿大，压痛（+），病变关节周围肌肉萎缩。X线片提示病变关节融合、畸形。

应做的检查有 （）

A.类风湿因子

B.C反应蛋白

C.血常规

D.血沉

E.LE细胞

F.补体C₃、C₄

用所给单词的适当形式填空。

1. Our English ______ name is Miss Li. (teacher)

2. —Are those your ______?

    —No, they aren't. (box)

3. The ______ lesson is very interesting. (three)

4. Is this your bike? No, it's ______. (she)

5. It's a nice book. Please let ______ have a look. (we)

6. I can see three ______ in the room. (people)