问题:This book costs______that one.A.twice more B.twice more as C.two times more as D.twice as much as
Saturday, September 24, 2022
问题:戊戌变法的历史功绩主要在于(??)A.起了思想启蒙作用 B.改革了封建专制体制 C.推动了社会经济发展 D.挽救了民族危机
Friday, October 20, 2023
问题:Why do you insist on________ A.this to be done B.this done C.this being done D.this is done
Saturday, September 24, 2022
问题:一个不稳定的原子核,质量为m0,最初静止.当它放射一个质量为m1、速度为ν1的粒子后,原子核剩余部分的反冲速度是( )
Saturday, September 24, 2022