【判断题】网络广告的本质是一种付费的网络营销方法。( )
【单选题】When supporting the same magnitude of force, truss members in compression are generally made _______ as compared to members in tension.
【单选题】以下程序段的输出结果是( )。
A.
t a=12345; printf(”%2d\n”, a);
【简答题】In the shown truss, there are altogether ________ inactive members.【图片】
【简答题】Theoretically, all members in a truss are __________ members.
【单选题】For this truss, determine the number of zero-force members.
【简答题】下列对于网络广告的本质描述不正确的是 A是一种付费的网络营销方法 B一般是展示在网页上的图片信息 C具有强制性的特征 D是对用户注意力资源的合理利用