把大小分别为F1和F2的两个力进行合成，合力大小为10N，则F1和F2可能为（ 发布时间：2017-06-30 23:05 │ 来源：www.tikuol.com 题型：选择题 问题： 把大小分别为F1和F2的两个力进行合成，合力大小为10N，则F1和F2可能为（ ）A．2N；6NB．8N；20NC．18N；6ND．20N；20N
题型：选择题 董事会或类似机构批准财务报告对外公布的日期，与实际对外公布日之间发生的与资产负债表日后事项有关的事项，由此影响财务报告对外公布日期的，应以董事会或类似机构再次批准财务报告对外公布的日期为截止日期。（） 查看答案
题型：选择题 书面表达。 根据中文提示和英文书信内容，写一封意思连贯、符合逻辑、不少于60词的回信。 请不要写出你的校名和姓名。开头结尾已给出，其词数不计入所完成的回信内。 我校英语校刊收到初一新生的几封来信。请选择一封来信，针对他(她)的问题，谈谈你的看法，并结合你的经历，给出可行的建议。 I just entered middle school. It is very different from primary school. Everything is new. My classmates are from different schools. I'm a little shy, and I don't know how to get on with them. What should I do? From Lily We've got more subjects than primary school. I'm interested in biology. But I find math too difficult. I can't follow the teacher in class. So it takes me a long time to finish my schoolwork. I am under pressure. From Teddy Life in middle school is so colorful! So many activities to do, such as theatre club, sports team, singing group, dancing club... I like them all. But my mum always says,"Study first, interest second." I'd like to borrow some advice from you. From Bob Dear____,I have read your letter. _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yours truly,Tony 查看答案
题型：选择题 BSP方法实施流程中重要的步骤之一是定义信息总体结构，而其实施先后顺序是( )。A．过程数据类组合、数据流图、信息结构、信息结构重排B．数据流图、过程数据类组合、信息结构、信息结构重排C．信息结构、过程数据类组合、数据流图、信息结构重排D．信息结构、数据流图、过程数据类组合、信息结构重排 查看答案