高中英语 Unit4 Period3 Language Points学案 北师大版必修2-北师大版高一必修2英语学案

Period 3 Language Points1．Compared to 20 years ago how do you think technology will change our life?________________________________________________________________________________________________________________________________________________________________________________________________________________________2．Do you feel pessimistic or optimistic about the future of the Internet? Why? ________________________________________________________________________________________________________________________________________________________________________________________________________________________1．In the last thirty years, the Internet has_grown rapidly.三十年来，因特网迅猛地发展着。[归纳]时间状语 in the last/past thirty years，通常与现在完成时连用。另外，recently, lately, so far，until now，up to now，by now, (ever) since 等也是现在完成时的标志性时间状语。[运用](1)Up to now, the program ________ thousands of children who would otherwise have died.A．would save B．savesC．had saved D．has saved(2)Progress ________ so far very good and we are sure that the work will be finished on time.A．was B．had beenC．has been D．will be(3)Her sister left home in 1998，and ________ since.A．had not been heard ofB．has not been heard ofC．had not heard ofD．has not heard of2 ． In the future, terrorists may “attack”the world’s computers, cause chaos, and make planes and trains crash.将来，网络恐怖分子可能会“攻击”全世界的计算机，制造混乱，引发飞机和火车事故。[归纳]attack vt. & n．攻击，袭击；抨击，责难；(疾病)侵袭attacker n．袭击者；攻击者attack sb.with sth.用某物袭击某人attack sb.for sth.因某事抨击某人carry out/make an attack on...对……发起攻击be/come under attack from...遭到……的攻击，抨击[运用](1)He was arrested for ________ his brother ________ a knife.他因用刀攻击他哥哥而被捕。(2)Newspapers ________ th...