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【单选题】
ab=0是a=0的什么条件A.
充分条件
B.
必要条件
C.
充要条件
D.
既不充分也不必要条件
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】张某,女, 42 岁, 2002 年 9 月 18 日初诊,诉一年前因患结核性胸膜炎,经住院治疗后好转,但近数月来,大便干结, 3-6 天一次,夜寐则盗汗涔涔,胃纳不佳,神疲乏力,午后尤甚,五心烦热,时有咳嗽,屡经中西医治疗,用药时有效,停药后复发,痛苦不堪。现大便干结已 6 天未解 . 诊见 : 面色不华 , 两颧如妆 , 唇红 , 形体消瘦 , 舌质红苔少 , 脉濡细。请判断患者的证型
A.
肺肾阴虚型咳嗽
B.
痰湿阻肺型咳嗽
C.
阴亏血少型便秘
D.
气秘
【简答题】补全对话。 A. Is the dam beginning to work? B. But I haven't been there yet. C. Don't worry. D. Is it hard to build the dam? E. Where have you been? F. It's reported that it has changed a lot. G. We'll see...
【单选题】Look. Lucy is_____ a new bike today. A. jumping B. running C. D 2. The children _____ football. A. is playing B. are playing C. play the D. play a 3. They ______TV in the evening. They do their homewo...
A.
jumping
B.
riding
C.
takeing
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