【题目】Determined not to fall behind, Alex now spends ________ as he used to on physics, his weakest subject.
A.twice as much time
B.as twice much time
C.twice much time as
D.as twice time much

【答案】A
【解析】A。考察倍数的表达，本题是用“倍数 + as + 形容词原级 + 名词 + as +比较对象”，故词序应为twice as much time 。为了不落下，Alex现在在他的薄弱学科物理上花了过去多一倍的时间。故选A