All those second-hand goods are sold at _______

试题详情及答案解析

All those second-hand goods are sold at ________ before.

A．twice as lower price as	B．as twice low price than
C．twice as low a price as	D．twice lower price than

答案：C

试题分析：考查倍数。本题考查倍数的表达：倍数+ as +adj.+ as 结构，这里 30%就相当于倍数。句意：这些二手商品比之前的要便宜百分之三十。故C正确。
考点：考查倍数