精选优质文档-倾情为你奉上Unit 1 恰到好处 Have you ever watched a clumsy man hammering a nail into a box? He hits it first to one side, then to another, perhaps knocking it over completely, so that in the end he only gets half of it into the wood. A skillful carpenter, on the other hand, will drive the nail with a few firm, deft blows, hitting it each time squarely on the head. So with language; the good craftsman will choose words that drive home his point firmly and exactly. A word that is mor
