Question

As far as I know, this maths problem is _______________ that one. A．twice so difficult as B..

As far as I know, this maths problem is _______________ that one. A．twice so difficult as B．twice as difficult as C．as twice difficult as D．so twice difficult as

Answer 1

B

考查倍数的表达法。倍数的表达倍数应放在最前边，可排除C和D，此题的结构为：倍数+ as…as，句意：据我所知，这道数学题是那道数学题的两倍难。所以选B。