1、选修7 A LETTER HOMEUnit 4 Readingto take part in or become involved in an activity muddyadj.泥泞的；泥土般的covered by or containing mud conceptn.观念；概念a principle or idea participatevi.参与；参加any wild plant which grows in an unwanted place,especially in a garden or field where it prevents the cultivated plants
2、from growing freely;to remove wild plants from a place where they are not wanted n.杂草；野草 vt.&vi.除杂草weeda flat raised area or structure;the raised part of the floor in a large room,from which you make a speech or give a musical performance;a long flat raised structure at a railway station,where peopl
3、e get on and off trains n.台；平台；讲台；（火车站的）月台platformfortnighta period of two weeks n.两星期remoteadj.遥远的；偏僻的far away in distance,time or relation the covering that forms the top of a building,vehicle,etc roofn.屋顶；车顶adjustvt.&vi.调整；（使）适合to change sth.slightly,especially to make it more correct,effective,o
4、r suitable rectangularn.矩形；长方形rectangleadj.长方形的；矩形的a flat shape with four 90angles and four sides,with opposite sides of equal lengthweeklyadj.&adv.每周（的）happening once a week or every week connected with what is happening or being discussed a book that contains detailed information about a subject f
5、or people who are studying that subject relevantadj.有关的；切题的textbookn.教科书；课本paperworkn.文书工作the part of a job which involves writing letters and reports and keeping recordssniffvt.&vi.嗅；闻；用鼻子吸to smell sth.by taking air in through your nose privilegen.特权；特别优待an advantage that only one person or group o
6、f people has,usually because of their position or because they are rich someone whose job is to change what someone else is saying into another language interpretern.作口译的人otherwiseconj.否则；不然adv.用别的方法；其他方面used after an order or suggestion to show what the result will be if you do not follow that order or suggestion;differently,or in another way
