使得不存在的x是方程(x2-4x+4)-a(x-2)2=b的一个根,则a+b=()。 发布时间:2017-01-30 13:04 │ 来源:www.tikuol.com 题型:单项选择题 问题: 使得不存在的x是方程(x2-4x+4)-a(x-2)2=b的一个根,则a+b=()。A.-1B.0C.1D.2
题型:单项选择题 ____ days he would go there and get himself completely relaxed. [ ]A. Every a few B. Every few C. Every some D. Every other 查看答案
题型:单项选择题 —Can you tell me ________? — With Lucy’s help.A.when you did it so wellB.when did you do it so wellC.how you did it so wellD.how did you do it so well 查看答案
题型:单项选择题 已婚女性,50岁,体形较肥胖,近两年来自觉外阴瘙痒,涂用“可的松软膏”及外洗治疗均无明显好转。妇检:外阴发育正常,阴唇潮红,轻度抓痕,未见明显色素脱失、溃疡无皲裂,分泌物不多,无异味。该瘙痒症状最大可能是由哪种疾病引起( )。A.滴虫性 * * 炎B.霉菌性 * * 炎C.糖尿病性 * * 炎D.老年性 * * 炎E.以上都不对 查看答案