【判断题】若f x在点x0可导,则 |f (x)| 在点x0 也可导. ( )
【判断题】以石灰石作为滤料的过滤中和法适合于处理含硫酸浓度大于3g/L的酸性废水。
【单选题】把下列材料的导热系数从低到高顺序排列,哪一组是正确的( )? Ⅰ、钢筋混凝土;Ⅱ、水泥膨胀珍珠岩;Ⅲ、平板玻璃;Ⅳ、重沙浆砌筑粘土砖砌体;Ⅴ、胶合板
【单选题】把下列材料的导热系数从低到高顺序排列,哪一组是正确的( )。 I、钢筋混凝土;II、水泥膨胀珍珠岩;III、平板玻璃;IV、重沙浆砌筑粘土砖砌体:V、胶合板
【单选题】The writer seems to believe that______.
A.
Clare was not good at cooking
B.
Clare didn't enjoy the holiday at all
C.
Clare didn't know how to look after children
D.
Clare was angry with her friends during the holiday