表示水泥需水量大小一般用()两种。
A. 标准稠度用水量
B. 胶砂流动度
C. 安定性
D. 固定用水量
The football match had to be()owing to (由于) the bad weather.
A. cancelled
B. advanced
C. arranged
D. held
The starter (赛跑发令员) gave the() for the race to begin.
A. advice
B. signal
C. glow
D. attention
Having()the bear in the woods for one week, the man was almost out of food.
A. caught
B. shot
C. trailed
D. seeking