高考英语一轮复习（北师大版）课时作业unit4Word版含解析.docxVIP

基础训练Ⅰ.单句语法填空1．An earthquake hit the city，________(destroy)many buildings and roads.2．The programme was intended to focus attention ________ global warming.3．Fancy ________(sit)in the sun and doing nothing all day!4．Parents spend ________ average of $200 a year on toys for their children.5．Dont handle the vase as if it ________ (is) made of steel.6．They were optimistic ________ the good result they would struggle for.7．The expert suggested ________ (prepare)enough water and food for the trip，or the travelers would find it hard ________(get) them when they got hungry or thirsty.8．The father as well as his three children ________ (be)going skating on the frozen river every Sunday afternoon in winter.答案　1.destroying　2.on　3.sitting　4.an　5.were　6.about　7.preparing；to get　8.isⅡ.完成句子9．The childrens faces are badly ________________ in the photograph.照片上孩子们的脸极其模糊不清。10．________________ your staying up late occasionally.偶尔晚睡并无妨害。11．The prices were ________________，but theyre of the highest quality. 价格比平均水平高，可它们的质量是最好的。12．Several years later ________________ he became too weak.很明显，几年后他身体变得很虚弱。13．Finally he had to ________________ and in the end our dream ________________．他终于接受了我的建议，我们的愿望实现了。答案　9.out of focus　10.Theres no harm in　11.above average　12.it was clear that　13.follow my suggestion；came trueⅢ.课文浓缩语法填空The last three decades has seen that the Internet is growing __14__ (rapid). Nowadays，the number of the computers __15__ are connected to the Internet is around 50 million. Some experts，worrying about the crime in cyberspace，are not __16__ (optimism) about the future. For example，in the future，the computers of banks and governments may __17__ (attack) by __18__ (terror). However，many people hold an opposite view about __19__ future of cyberspace. In their opinion，the Internet can bring them great convenience，such as buying books，__20__ (book) tickets and shopping on the Internet. Besides，people can get __21__ (entertain) from the Net and television and mail service __22__ (a