圆柱体的侧面积等于底面积乘以高．______．
因为圆柱的侧面积公式是底面周长×高．
所以圆柱体的侧面积等于底面积乘以高这种说法是错误的．
故答案为：错误．
Today a large coal-fired power plant can give out in a single year as much poisonous gas as was blown out by the May 18,1980 outbreak of Mount St. Helens, ______ some. 400,000 ton.
A．its amount was
B．amounts to
C．amounting to
D．it was amounted
招标人在中标通知书中写明的中标合同价应是（）。
A.初步设计编制的概算价
B.施工图设计编制的预算价
C.投标书中标明的报价
D.评标委员会算出的评标价
