搜题请搜索小程序“爱下问搜题”
问题 填空题

写出“全等三角形的面积相等”的逆命题______．

答案

“全等三角形的面积相等”的题设是：两个三角形全等，结论是：面积相等，因而逆命题是：面积相等的三角形全等．

故答案是：面积相等的三角形全等．

选择题

            is this T-shirt?       [ ]

A. What color  

B. How much    

C. How many  

D. A and B
查看答案
单项选择题 共用题干题

Many of the activities performed during the preliminary investigation are still being conducted in(1)，but in much greater depth than before.During this phase,the analyst must become fully aware of the(2)and must develop enough knowledge about the(3)and the existing systems to enable an effective solution to be proposed and implementeD. Besidesthe(4)for process and data of current system,the deliverable from this phase also includes the(5)for the proposed system.

空白（1）为（）

A.analysis phase

B.design phase

C.implementation phase

D.maintenance phase
查看答案