偏头痛的性质是（）
A.主要为一侧或双侧的搏动性头痛，多有家族史
B.常为持续性头部胀痛，阵发性加剧，并伴有喷射状呕吐
C.面部表现为常因轻触触发点而诱发的阵发性电击样短促剧痛
D.头痛往往于晨起加重
E.因体位变动而头痛加剧者
参考答案：A
解析：偏头痛是一类有家族发病倾向的周期性发作疾病。表现为发作性的一侧或双侧搏动性头痛，伴恶心、呕吐，经一段间歇期后再次发病。
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| I dropped my 5-year-old daughter off at the day care centre (育儿中心) yesterday. There we saw one of her friends sitting at a table 1 , crying. She sometimes gets 2 when her mom leaves. My daughter often 3 with her, and they're good friends. When we saw the little girl 4 , I asked my daughter if she wanted to go and 5 with her. She said, "Yes, I don't want her to be 6 ," and then took her breakfast to sit beside her friend. I watched her 7 her food and talk to the little girl. Walking back to my car I was very 8 to know that my little girl had a kind 9 . When I got home last night, I asked her how her day had been. She said that her 10 wasn't sad any more. She was proud to have shared (分享) her 11 with her and played with her all day. I praised my daughter for being such a caring friend and 12 her that I was very proud of her. She 13 , and told me that she didn't like to see people sad. I hugged her and told her what a wonderful girl she was. 14 , she said "I'm Daddy's little girl!" I couldn't help but smile, and was proud to be her dad. My little girl has 15 me a lot. Because of her I do my best to make people who may be sad smile. | ||||
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