高中英语必修四Unit1的重要知识点及练习.doc

必修4 Unit1 Women of achievement知识点讲解 1. achieve achieve v. 意为“完成；达到”，指经过长期努力而达到某目标、地位或标准等。其名词形式为achievement，意为“成就；功绩”，a sense of achievement可指“成就感”。如：He had finally achieved success. Even a small success gives you a sense of achievement. 2. condition condition 意为“环境；境况；条件”时，是可数名词，常用复数形式conditions；意为“状态；状况”时，是不可数名词，be in good condition表示“处于良好的状态”，be out of condition表示“健康状况不佳”。如： We should pay more attention to the poor living under the bad conditions. The astronauts soon got used to the condition of weightlessness. My car is old but in good condition. He is overweight and out of condition. condition意为“条件”时，常用短语on condition that，表示“如果；在……条件下”；在美国英语中，也经常用under the condition that。如： I will come on condition that Peter is invited. They agreed under the condition that the matter be dealt with quickly. 3. devote devote vt. 意为“投入于；献身”，其宾语后常与介词to搭配，to后接名词、代词或动名词。devote … to … 意为“献身；致力于”，指把自己、时间、精力等奉献给某种工作或事业。如：He has devoted his whole life to benefiting mankind. The girl, to whom he was devoted, died in a traffic accident by chance. After he has retired, he will devote himself to gardening. 4. behave behave vi vt. 意为“举动；举止；行为表现”，如behave well / badly等。其名词形式为behaviour，指“行为；态度；举止”。如： The parents encouraged the children to behave well in front of the guests. My camera has been behaving well since it was repaired. Everyone praises the childrens good behaviour. 5. worthwhile worthwhile adj.意为“值得做的；值得出力的”，可作表语或定语。be worthwhile to do / doing sth表示“值得做……”，在动词-ing形式的结构中，worthwhile有时可以用来替代worth，特别是在表示“值得花时间”这一概念时。如： I think teaching school is always a worthwhile job. The book referred to by the professor is worthwhile / worth reading 区别worthwhile与worth，worthy的用法：worthwhile意为“值得”，指花时间、精力、金钱等去做某事是值得的。如：It is worthwhile to read the book.=It is worthwhile reading the book.=Reading the book is worthwhile.这本书值得一读。但不可以说The book is worthwhile reading.worth表示“价值……”时，后接价值数量词；当表示“值得”时，后接名词、代词或动名词（不能接不定式）,常用well修饰，不用very。This laptop is worth 10 000 yuan and it is well worth buying.这台笔