问题
单项选择题
| 男性，68岁，右跖趾关节处红、肿、疼痛2个月。体格检查：局部红、肿、皮温升高，无足癣，轻度躖外翻。X线片示第1跖骨头骨质疏松，局部有骨缺损性囊性改变。 |
该患者的诊断应首先考虑
A．躖外翻伴躖囊炎
B．躖趾跖趾关节处急性炎症
C．痛风性关节炎
D．松毛虫性关节炎
E．类风湿关节炎
答案
参考答案：C
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| 男性，68岁，右跖趾关节处红、肿、疼痛2个月。体格检查：局部红、肿、皮温升高，无足癣，轻度躖外翻。X线片示第1跖骨头骨质疏松，局部有骨缺损性囊性改变。 |
该患者的诊断应首先考虑
A．躖外翻伴躖囊炎
B．躖趾跖趾关节处急性炎症
C．痛风性关节炎
D．松毛虫性关节炎
E．类风湿关节炎
参考答案：C
| 32．Communicating via E-mail is by far the most common Internet activity. You can (1) with anyone in the world who has an Internet address or E-mail (2) with a system connection to the Internet. All you need is (3) the Internet and an E-mail program Two of the most widely used E-mail programs are Microsoft’s (4) and Netscape’s Navigator. A typical E-mail message has three basic (5) ：header, message, and signature. |
(5)
A．packets
B．elements
C．frames
D．cells