【2019英语专四选择题】倍数的表达 主语+谓语+倍数（或分数）+ as + adj. + as 例a：He is twice as old as you.他年龄是你的两倍。例b：This river is one-fourth as deep as that one.这条河只有那条河的四分之一深。听写部分： 相对简单：dictation...