46. composed of, comprised of, consist of, be made up of 它們都表示 “由……組成”，用法基本一樣，前三者文體風(fēng)格上正式一些，最后這個(gè)短語(yǔ)具口語(yǔ)性一些。此外，consist of 沒有被動(dòng)形式, Our party was composed of teachers ，pupils and their parents.我們這一伙人由老師、學(xué)生及其家長(zhǎng)組成。Water is comprised of hydrogen and oxygen. “水由氫元素和氧元素組成?！盩he committee consists of ten members. “該委員會(huì)由10 人組成?！盇re all animal bodies made up of cells?“動(dòng)物的身體都是由細(xì)胞組成的嗎?”

　　46. contrast of, contrast between ，contrast to. contrast with表示對(duì)比，對(duì)照。這些短語(yǔ)主要需注意的是詞性與介詞搭配之間的關(guān)系。contrast 用作動(dòng)詞時(shí)，可說(shuō)contrast X with Y .contrast X and Y ，X contrast (s) with Y。用作名詞時(shí)，可說(shuō) a/the contrast between/of X and Y , X make ( s ) a contrast to/ with Y , by contrast with X , in contrast to/with X。