改错题 9but the average person selodom achieves more than twelve words (by) a minute when using this method.为什么这里要去掉by?

改错题 9but the average person selodom achieves more than twelve words (by) a minute when using this method.为什么这里要去掉by? 问两个考研真题的句子Today the message the average Westerner is surrounded with are not religious but comemercial 这句翻译我大概清楚 就是不清楚前面的 today the message the average Westerner里 the message the average 的用 above the average and below the average. 专八的一道改错题An hour of hunting yields in average about 100 edible calories,as an hour of gathering produces 240.这里是改as ,能不能把as 改成but? beyond average还是beyond the average? take the average average man in the 托福改错题The unit of 1(measurement) known as a foot 2(has) originally based on the average 3(size) of the human 4(foot).请问哪里错了该如何改 改错It is ture that the average man often uses in his own vocabulary that was once technical. the boy looked the sky,but he saw nothing 改错 There is something on the table but below nothing.改错 The twins look same,but their hobbies are different 改错 There is something on the table but below nothing.改错 改错句子I tried getting the material,but failed ...but putting about same pressure on the ground as an average-size person sitting in a chair. 英语改错题the man who saw him has yellow hair(改错) i hate people who talk much but do few(改错)watch football match is intersting(改错）i wonder whether the bus would come or not(改错)Don't smoke any long(改错) the message the average Westerne is surrounded with are not religious but comemercial 同位语的that不是不能省略吗.那前面那个Today the message the average 是怎么回事 average