1hewasillyesterday,sohedidn’tgotowork.(×)Becausehewasillyesterday,hedidn’tgotowork.(√)Hewasillyesterday,sohedidn’tgotowork.(√)[析]用though,but表示“虽然,但是”或用because,so表示“因为,所以”时,though和but及because和so都只能择一而用,不能两者同时使用。2.TheSmithshavemovedBeijing.(×)TheSmithshavemovedtoBeijing.(√)[析]不及物动词后接名词或代词作宾语时,要在动词之后加上适当的介词;但不及...
1.LiPingoften_____(read)Englishinthemorning.2._____he_____(clean)thewindowsonceaweek?3.Theworkers_____(have)sportsontheplaygroundnow.4.Howlong___you__(stay)therethedaybeforeyesterday?5.Who_____(listen)tothemusic?6.WhenI____(be)amiddleschoolstudent,Ioften___(sing).7.Hisparents____(go)totheGreatWalltomorrowmorning.8.____they_____(study)Japanesenextterm?9.Whattime_____you_____(do)yourhomeworkever...
由入门到精通-吃透PID2.0版(原创连载)友情提示:承蒙网友的厚爱,见到有些网友把此帖转帖,谢谢!希望大家在转贴的时候注明作者:焦作华润白志刚。目前,本文的最新版本已经编辑完成,如果已经转贴的朋友,请按照最新版本修改。再次感谢!目录第一章自动调节系统的发展历程1-1中国古代的自动调节系统1-2指南车的可行性分析1-3没有控制理论的世界1-4负反馈1-5控制论1-6PID1-7再说负反馈1-8IEEE1-9著作里程碑1-10调节器1-11再...