一,整句
主語(yǔ) A survey
謂語(yǔ) showed
賓語(yǔ) 為that 引導(dǎo)的從句 that 90 percent of the 503 biggest companies and government departments questioned _______ their security systems _______ into in the previous year.
二 ,在that從句中 that 90 percent of the 503 biggest companies and government departments questioned _______ their security systems _______ into in the previous year.
主語(yǔ) 90 percent questioned過(guò)去分詞作定語(yǔ)修飾 公司和政府部門companies and government departments
謂語(yǔ) had had 過(guò)去完成時(shí)
賓語(yǔ) their security systems
賓補(bǔ) broken into 為 have sth done 結(jié)構(gòu)
時(shí)間狀語(yǔ) in the previous year.
句子意思：在2002年一份由計(jì)算機(jī)安全中心（美國(guó)的一家私人機(jī)構(gòu)）進(jìn)行的調(diào)查表明,在上一年在被詢問(wèn)的503家大公司和政府部門中有百分之九十的安全系統(tǒng)被闖入過(guò).