精品偷拍一区二区三区,亚洲精品永久 码,亚洲综合日韩精品欧美国产,亚洲国产日韩a在线亚洲

  • <center id="usuqs"></center>
  • 
    
  • Mainframe computers were very large indeed,often occupying whole air-conditioned rooms,employing full-time technicians a

    Mainframe computers were very large indeed,often occupying whole air-conditioned rooms,employing full-time technicians and run on specially-writtten software.
    這個句子里occupying employing run 都做Mainframe的定語..
    為什么前兩個是現(xiàn)在分詞..run是過去分詞..
    他們怎么看出來是并列的啊..
    如果run和were并列..那么occupy和employ也可以看作是和were并列的了么
    英語人氣:558 ℃時間:2020-10-01 07:15:22
    優(yōu)質解答
    因為RUN A MAINFRAME COMPUTER的結構里 MAINFRAME COM.是被RUN.
    是賓語.而前面兩個 MAINFRAME COMPUTER OCCUPIES WHOLE() ROOMS.
    MAINFRAME COMPUTER EMPLOY FULL-TIME TECHNICIANS里都是做主語.
    用ING形式.
    我來回答
    類似推薦
    請使用1024x768 IE6.0或更高版本瀏覽器瀏覽本站點,以保證最佳閱讀效果。本頁提供作業(yè)小助手,一起搜作業(yè)以及作業(yè)好幫手最新版!
    版權所有 CopyRight © 2012-2024 作業(yè)小助手 All Rights Reserved. 手機版