Which of the following sports is not track and field events?
A. jumping
B. throwing
C. badminton
D. walking
查看答案
Which of the following sports is not ball sports?
A. running
B. bowling
Cuju
D. tennis
Ournational sport is ______.
A. table tennis
B. bowling
Cuju
D. tennis
水泥的凝结是指水泥加水后从流动状态到固体状态的变化,即水泥浆失去流动性而具有一定的强度
A. 对
B. 错