【单选题】听力原文:Can you help me? (7)
【简答题】先阅读后解题 若m 2 +2m+n 2 -6n+10=0,求m和n的值 解:把等式的左边分解因式:m 2 +2m+1+n 2 -6n+9=0 即(m+1) 2 +(n-3) 2 =0, 因为(m+1) 2 ≥0,(n-3) 2 ≥0 所以m+1=0,n-3=0, 即m=-1,n=3 利用以上解法,解下列问题: 已知x 2 +y 2 -x+6y+ =0,求x和y的值。
【单选题】听力原文:W: Please, please, can you help me? I seem to have lost my handbag. M: Calm down, Madam. Well, I'll have to fill out this report for you. What color is it, Madam? W: Well, it is a white one. M: H...
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In the police station.
【单选题】38周妊娠合并糖尿病,胎膜早破2小时入院。首选处理方法是下面哪一项
【单选题】Q:Can you help you, madam?
【单选题】38周妊娠合并糖尿病,胎膜早破2小时入院。首选处理方法是
【单选题】38周妊娠合并糖尿病,胎膜早破2小时入院。首选处理方法是
【单选题】下列选项, 不属于 明代侦缉审理诏狱机关的是:
【简答题】阅读理解。 Swimmer wanted Can you swim? Do you like kids? Can you help them to swim on weekends? Come and join us. Call Jane at 330-9785 for more information. Musicians wanted Boys and girls, are you musi...
【单选题】—_______—Yes, please. I’d like a pair of running shoes. A. May I help you? B. Can you help me? C. Could you help me?