答案：B
—How do you feel your travel to Hainan?
—________, I enjoyed it very much, although the weather of some days was unpleasant.[ ]
A. In addition
B. On the whole
C. In other words
D. On the other hand
水泥砂浆拌和物的密度不宜小于( )kg/m3。
A．1500B．1600C．1800D．1900
