【简答题】Translate the following passage into Chinese. Data is a collection of unorganized facts, which can include words, numbers, images, and sounds. Computers manipulate and process data to create informati...
【单选题】案例摘要:患者,女性,56岁。患有风湿性关节炎及慢性心脏病,该患者长期服用地高辛、氢氯噻嗪及钾剂以维持其心脏功能,由于病情需要,现需服用普鲁卡因胺。根据普鲁卡因胺的用药原则,对于这名患者,下列叙述最正确的是()
A.
普鲁卡因胺可与地高辛相互作用,加用普鲁卡因胺前、后都应该监测地高辛的血药浓度
B.
存在交叉过敏反应:对普鲁卡因及其他有关药物过敏者,可能对普鲁卡因胺也过敏
C.
如果患者患有哮喘,则不能服用普鲁卡因胺,因为普鲁卡因胺有β受体阻断作用
D.
普鲁卡因胺的持续作用时间可达20~30小时,可单独用于治疗房性心动过速
【简答题】在△ABC中,tanA=2tanB,sinC= 3 5 ,则sin(A-B)=______.
【简答题】Computers are very efficient at (manipulate) information.
【简答题】在△ABC中,tanA,tanB是关于x的方程x 2 -p(x-1)+1=0的两个实根,则∠C=______.
【简答题】在△ABC中,tanA= ,tanB= 。 (1)求角C的大小; (2)若△ABC最大边的边长为 ,求最小边的长。
【简答题】manipulate contradict paradox perspective defy suspend tackle retain derive explicit 7 Many childern are addicted to computers, so they often _______ their parents and play ...
【简答题】在△ABC中,若tanA:tanB:tanC=1:2:3,则A=______.
【单选题】Computers manipulate data in many ways, and this manipulation is called ____.
【简答题】在△ABC中, tanA= 1 4 , tanB= 3 5 . (Ⅰ)求角C的大小; (Ⅱ)若△ABC最大边的边长为 17 ,求最小边的边长.