北师大版高中英语必修2学案Unit5 单词与短语.doc

单词与短语perform【归纳】perform是动词，意为：做，履行，执行；演出，表演；（指机器等）工作，（指发明等）运用（常与well, badly, poorly等连用）。如：nikola tesla performed his experiment over and over, working till midnight.id like to hear these old songs performed live.the engine performs well in cold weather.the new drug has performed badly in tests.【拓展】performance n. 表演，演出；（尤指出色的）表现，行为，成就；（良好的）性能，工作情况。如：the theatre is putting on a performance of the popular musical “cats”.she won a gold medal for her fine performance in the contest.the customer was impressed by the machines performance.【即学即练】翻译下面句子。1. computers can perform all kinds of tasks._2. the opera was first performed in 1992._3. his performance in the test was not good enough. _base【归纳】base既可作名词，也可作动词。作名词时，意为：（某物的）底部，（尤指）底座，基底；（军队探险队等的）基地，根据地；基础，起点，基本原则。如：the base of the house is strong.nice is an excellent base for exploring the french riviera. the family base was important to my development.作动词时，意为“以为根据”，常用结构：base sth. on / upon sth. 或sth. be based on / upon sth. 。如：he based his ideas on / upon scientific experiments.this movie is based on / upon a true story.【即学即练】翻译下面句子。1. 这台灯的底座很重。_2. 这些政策受到广泛支持。_3. 这部小说是以历史事实为根据的。_4. 我把希望寄托在我们昨天得到的好消息上。_答案perform【即学即练】1. 计算机能够执行各种任务。2. 这部歌剧在1992年进行首演。3. 他在此次测验中的表现不够好。base【即学即练】1. the lamp has a heavy base. 2. these policies have a wide base of support. 3. this novel is based on / upon historical facts. 4. i base my hopes on the good news we had yesterday.quit【归纳】quit是动词，意为：离开，离去；停止，戒掉（常用结构：quit doing sth.）；辞职。如：police were called when he refused to quit the building.they should quit complaining and just get on with their job!he figured he would quit before johnson fired him.【拓展】quitter n. 对工作半途而废的人，（尤指对职责）不善始善终的人。如：ive asked you to do this for me because i know youre not a quitter.【即学即练】翻译下面句子。1. he quit his job after an argument with his boss._2. it was fourteen years since tom had qui