题目内容
试述外币期权交易的特点。
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女孩，12岁，关节肿痛伴低热3个月。体检：左侧肩关节和腕关节，右侧肘关节和膝关节肿胀，触之疼痛，活动受限，但不发红。足背可扪及黄豆大小皮下结节，质硬，不活动。肝未扪及，脾肋下刚触及。血清类风湿因子阳性。 本病最可能出现的后遗症是
男孩，5岁。两膝及踝关节肿痛伴低热、乏力。因眼痛，经裂隙灯检查，提示有虹膜睫状体炎。
C 根据下面短文回答下列问题。 Jenny was a very kind and beautiful woman and before she married (结婚), many men were in love with her. Many of them wrote to her, telling her how wonderful she was, how much they loved her and wanted to marry her. Jenny kept all these letters. She tied (捆紧) them up with a red ribbon (丝带) and put them away in an old box. She never looked at them as she was happily married, however, they were a part of her life and she did not throw them away (扔掉). Jenny had a daughter, Sue. Sue was six. One day, Jenny had to leave Sue alone for half an hour. She told Sue to be a good girl. When Jenny got back and asked Sue what she played, Sue told her mother that she played mailman. "How could you play mailman," Jenny asked. "You didn’t have any letters." "Oh, yes I did, Mommy," Sue said. "I found some in an old box. They were tied up with a red ribbon. I put one in every mailbox (信箱) in the street. \ Jenny kept her old love letters because ______.
男孩，10个月。生后易患肺炎、肠炎，常伴湿疹样皮疹。两个舅舅分别因“败血症”及“急惊风”早夭。体检：营养发育稍差，苍白，两颊有湿疹样皮疹，躯干与两下肢见瘀点、瘀斑，咽稍充血，心肺正常，肝肋下2cm，脾肋下1cm，神经系统正常。血红蛋白 98g/L，白细胞12.5×109/L，中性粒细胞0.56，淋巴细胞0.44，血小板56.5×109/L。 最主要的治疗措施为
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