对坍落度值小于10mm的干硬性混凝土拌合物,通过()试验测定其流动性指标。
A. 坍落度
B. 维勃稠度
C. 保水性
D. 黏聚性
查看答案
A study of practices of financial institutions with no discrimination against self-employed women would tend to contradict
A. Fuchs' hypothesis.
B. Sanborn's hypothesis.
C. a suggestion made by the author.
D. some explicit results of Brown's study.
周期性股票是指利润随经济周期波动变化比较大的一类股票。()
A. 正确
B. 错误