用频谱多普勒检测室间隔缺损的左向右高速分流的正确调节方法有（）. A.调节速度频谱基 发布时间：2017-07-03 00:46 │ 来源：www.tikuol.com 题型：多项选择题 问题： 用频谱多普勒检测室间隔缺损的左向右高速分流的正确调节方法有（）.A.调节速度频谱基线B.采用低速标尺C.采用高频超声D.采用脉冲多普勒E.采用连续波多普勒
题型：多项选择题 阅读理解。 Xinyuan Clothes StoreClothesColorPricesweaterwhite, blue$30pantsred, yellow$20sockswhite$5 T-shirtwhite, green$25 hat black, white$61. You can buy ______in Xinyuan Clothes Store. A. black socks B. a red T-shirt C. a red sweater D. a black hat2. The price of a sweater and a hat is______. A. $36 B. $40 C. $50 D. $253. You like white and you have only eight dollars. You can take ______. A. a T-shirt B. a sweater C. a pair of pants D. a hat4. Which (哪一个) is the most expensive(最贵的) of all?A. Sweater. B. Pants. C. T-shirt. D. Socks.5. You only have twenty-five dollars. You can buy ______with all the money. A. a pair of socks and a pair of pantsB. a T-shirt and a hatC. a sweaterD. a T-shirt and a pair of socks 查看答案
题型：多项选择题 关于进行性血胸，下列叙述哪项不正确A．脉搏逐渐增快，血压持续下降B．经输血补液后，血压不回升或升高后又迅速下降C．胸穿抽不出血，但X线检查显示胸膜腔阴影继续增大D．闭式胸膜腔引流后，引流血量持续2小时，每小时超过200ml 查看答案
题型：多项选择题 (2014·贵州师大附中质检)It was half a year________my good friend returned to his hometown.A．beforeB．sinceC．that D．when 查看答案