问题
选择题
This computer is _______________ .
A．twice as expensive as that one
B．twice expensive than that one
C．as twice expensive as that one
D．two times as expensive as that one
答案
答案：A
考查倍数。倍数的表达有：倍数 + as + 形容词或副词的原级 + as + 其他；倍数 + 形容词（或副词）的比较级 + than + 其他；倍数 + the size / height / length / width. etc. + of + 其他。故选A。