【高考四元聚焦】2014届高三英语一轮复习(自主复习+考点演练+真题集训)词汇篇U.ppt

1. undertake v. [T] ①承担，从事，着手 ②答应[同promise] 【练习】完成句子 ①只有他才能承担这项艰巨的任务。 Only he __________________________ this tough task. ②他着手一项新的实验。 He ___________________________. ③他答应在星期五以前完成那项工作。 He __________________________ the job by Friday. 【答案】 ①can/could undertake　 ②undertook a new experiment　 ③undertook to finish 2. until prep. conj. (until用作介词或连词，后接名词、代词或从句等，相当于till) 【练习】 完成句子 ①妈妈回来之后那男孩才去睡觉。 The boy ___________________ to bed until his mother came back. ②他工作直到半夜。 ________________________ until/till (it was) midnight. ③公共汽车停稳后再下车。 Dont get off the bus until/till it ___________________. 【解析】 ①didn‘t go　 ②He worked　 ③has stopped 【练习】 把下列句子改为倒装句和强调句/单项选择 ④We didnt leave until she came. [倒装句] ____________________________ [强调句] ____________________________ ⑤It was not until I came here ________ I realized this place was famous for not only its beauty but also its weather.(2012·湖南) A. who B. that C. where D. before ⑥Not until he left his home ________ to know how important the family was for him. A. did he begin B. had he begun C. he began D. he has began 【解析】 ④Not until she came did we leave./It was not until she came that we left. ⑤B　句意：直到我来到这儿才意识到，这个地方不仅以它的美丽而且以它的天气出名。本题考查的是强调结构“It is ＋ 被强调部分＋that…”，强调时间状语。 ⑥A　not until所引导的状语从句放在句首要用部分倒装。 3. up to ①(数量、程度上)达到，多达 ②(时间)直到，到……为止[同till]③从事，忙于(某事) ④胜任(工作等) 【练习】完成句子/单项选择 ①每天他们花长达3个小时看电视。 Every day they spend ________________ watching TV. ②你在做什么？ What __________ you _________________________? ③恐怕他是干不了这份工作。 Im afraid he ____________________________ the job. ④这个问题应由他来解决。 __________________________________ this problem. ⑤要不要做兼职由你自己决定。 _____________________ you do a part time job or not. ⑥— When will we go for a picnic this week? — ________. A. You get it. B. Up to you. C. You speak. D. You do it. 【解析