[单选题]中国药典的组成( ) A.前言、目录、正文、附录 B、前言、药品标准、附录、指导原则C.性状、鉴别、检查、含量测定D、凡例、正政、附录、索引E、原料、制剂、辅料、试剂
[判断题]建筑场地类别主要是根据场地土的等效剪切波速和覆盖厚度来确定的
[单选题]二元理想稀溶液,其溶质和溶剂分别遵守 A.Henry规则和Lewis--Randll规则B.Lewis--Randll规则和Henry规则C.拉乌尔规则和Lewis--Randll规则D.Lewis--Randll规则和拉乌尔规则
[问答题]某产品用放大一倍的比例绘图?υ诒晏饫副壤?项中应填
[单选题]Most A.ericans don’t like to get advice from members of their family. When they need advice, they don’t usually ask people they know. Instead many Americans write letters to newspapers and magazines which give advice on many different subjects, including family problems, sex, the use of language, health, cooking, child care, clothes, and how to buy a house or a car.Most newspapers regularly print letters from readers with problems. Along with the letters there are answers written by people who are supposed to know how to solve such problems. Some of these writers are doctors; others are lawyers or educators. B.t two of the most famous writers of advice are women without special training for these kinds of work. One of them answers letters addressed to “D.ar Abby”. The other is addressed as “Dear Ann Landers”. E.perience is their preparation for giving advice.There is one writer who hasn’t lived long enough to have much experience. She is a girl named Angel C.valiere, who started writing advice for newspaper readers at the age of ten. Her advice to young readers now appears regularly in the Philadelphia Bulletin in a column called DEAR ANGEL.Choose the right answer:What are most Americans usually do if they need advice?得分/总分 A. They usually write to a newspaper or magazine. 2.00/2.00 B. They usually ask their family members for it. C. They often write to their friends at newspaper. D. They often ask their friends for it.
[单选题]泛水系屋面防水层与垂直墙交接处的防水处理,其高度应不小于______ A.120 mm B..180 mm C..200 mm D..250 mm
[多选题]人工降低地下水位的井点降水法有 A.轻型井点B.电渗井点 C.喷射井点D.深井井点
[问答题]产后出血
[多选题]固定资产的计价方法通常有 A.原始价值B.重置价值C.折余价值D.残余价值
[单选题]在下列四个代码中,_____是正确的偶校验码.A. 00000001B. 11011111C. 10010001D. 11111111
[判断题]动叶是由叶型相同的叶片按一定的距离和一定的角度安装在叶轮上形成的动叶栅
[单选题]分相封闭母线的缺点错误的是( )A.母线散热条件差; B.外壳上产生损耗; C.金属消耗量增加; D.安装和维护工作量大
[填空题]学术短评的特点是____________、____________、___________.
[问答题]教育实验设计的基本步骤
[单选题]TCP/IP模型的应用层对应OSI模型的( ).A、应用层B、会话层C、表示层D、以上三层都包括
[多选题]固定资产按其经济用途,可以分为 A.使用中的固定资产B.生产经营用的固定资产C.生产经营用的流动资产D.非生产经营用固定资产
[填空题]下列文种中,属于下行公文的有
[单选题]变压器铁耗与铜耗相等时效率最大,设计电力变压器时应使铁耗( )铜耗. (A)大于 (B)小于 (C)等于 (D)不确定
[多选题]在下列科目中作为经济效益指标的是( ) A.流动资金 B.流动资金周转次数 C.资金利税率率 D.销售收入
[填空题]将发动机输入的机械能转换为液体的压力能的液压元件是( ).
[判断题]在电厂中实际能够利用的煤的发热量是低位发热量.