护理系英语教研室精读课程课件UnitFour长春医学高等专科学校.pptVIP

（II）. Background Information 1. Generation Gap The term is used to mean differences in ideas, life styles and attitudes between older and younger people, differences which will be result in a lack of understanding between them and frequently lead to confrontations. 2. Divorce Rate High divorce rate is a major social problem in the US. At present, it is estimated, about one quarter to one third of all American marriages end in divorce. Although different in opinions, some studies indicate that there are more cases with the following reasons: A) low incomes B) inadequate education C) marriage at a very young age The immediate result that arises from the high divorce rate is an increasing number of single parent homes. worth e.g. This old book is worth $300. (be worth sth.) Don’t lock the door, it isn’t worth the trouble. His suggestion is worth considering. (be worth doing) worth是一个只能作表语的形容词，意思为“值……的”、“相当于……的价值的”、“有……价值的”、“值得……的”。后接名词、接动名词的主动形式 worthy e.g. That is worthy of note.(be worthy of sth.) This phenomenon is worthy of being studied. (be worthy of doing.) This problem is worthy to be considered.(be worthy of to be done) worthy可作表语，也可作定语。作定语时意思为“有价值的”、“值得尊敬的”；用作表语时意思为“值得……的”，其后接of sth.，也可以后接to do sth. worth (one’s) while 只作表语，后多接不定式。 e.g. It’s worth your while to make another attempt. 2. propose : vt. suggest; put forward for consideration e.g. We propose that the meeting be held on time. Note: propose 后常跟虚拟形式的宾语从句。动词要求用原形。 类似的动词还有：suggest, demand, request,ask, move, insist, urge, require, order, command,advise, desire, recommend, maintain, vote, etc. 3. proposal: n. plan or schedule e.g. His proposal to put off the meeting was rejected. 4. educational: a. of or for education e.g. ...the British educational system. ...pupils with special educational needs. 5. prohibit: vt. forbid (especially by rules or laws) e.g. Smoking is prohi