【单选题】数据字典是数据流图中所有元素的定义的集合,一般由以下四类条目组成______。
A.
数据说明条目、控制流条目、加工条目、数据存储条目
C.
数据源条目、数据流条目、数据处理条目、数据文件条目
D.
数据流条目、数据文件条目、数据池条目、加工条目
【简答题】You shouldn’t be so negative. You’ll always have some co-workers that are harder to work with than others. But if you are negative and start name-calling in the office, it will make a bad working envi...
【多选题】下列关于 Adobe Illustrator 曲线锚点的描述哪些是正确的?
B.
曲线锚点的方向线和它所控制的曲线路径成 90 度关系
【单选题】You shouldn’t be so hard on your son, ________ he is only six years old.
【单选题】You shouldn’t be so _______ ----I didn’t mean anything bad in what I said.
【简答题】a. You shouldn’t be so cold to him; he comes here (1) to see you. b. In this university students are required to choose a (2) in their second year. c. Professor Lee, who (3) in Russian history,...
【多选题】以下关于冷冻干燥法制备注射用冻干制品的描述,错误的是( )
D.
药液在冷冻干燥前,不必进行过滤、灌装等处理过程
E.
制备过程中可能会出现喷瓶、产品外形不饱满等问题
【单选题】---Terra, you shouldn’t be so ___________. You always leave your things here and there. ---Sorry, mom. I’ll put them away soon.
【单选题】下面关于纵牙合曲线的描述哪个是正确的()。