【简答题】求证:有两角及这两角夹边上的高对应相等的两个三角形全等.(请画出图形,将命题写成“已知”、“求证”的形式后再证明)
【简答题】写出两个网孔的网孔电流方程的一般形式,并简介其组成部分含义。
【单选题】There is no doubt that the definition of “family” has become much broader in today’s America. The majority of Americans would now define a family as__________.
A.
a man and a woman devoted to each other
B.
a husband, wife, and their children
C.
people who live together and love each other
【单选题】现代计算机采用二进制数字系统是因为它
B.
容易表示和实现,运算规则简单;可节省设备,便于设计且可靠
【单选题】使用WireShark软件抓网络包时,过滤指定的IP地址的消息的命令是()。
C.
ip.addr==XXX.XXX.XXX.XXX
【多选题】下列音节都是后鼻音的是___________________。