Module 6 unit 4 Helping people around the worldI.重点单词：1. worthy: adj.令人敬重的；值得的，相称的；有价值的eg. He is a worthy teacher.His behavior is worthy of praise.She said that she was not worthy to accept the honor they had offered her.注：1) worth 和worthy，worthwhile 表示“值得的”时的区别。
be worth + n./ pron. / doingbe worthy of + n./ being done/ to be doneIt is worthwhile doing/to do sth.eg. 这本书值得一读。
The book is worth readingThe book is worthy of being read/to be read.。
It is worthwhile reading /to read the book.2)worthy 表示“可敬的”时，通常作定语，不作表语。
If only I were a Goodwill Ambassador!2.equal: adj.平等的；同等的n.同等的人；相等物vt.与…相同或相等eg. Women should have the equal rights as men.He believed that all men and women were equal.No one can equal him in strength and intelligence.Twice four is equal to/equals eight.Shall Bob have a try? I think he is equal to the position.Our manager treats all of us as equals.3.contribute vt./vi. 捐献；贡献；促成，导致；投稿contribute to 有助于，促成；贡献contribution n. make contributions to 为……作出贡献eg. The success of Olympic Games contributes to the growth of economy in China.He has made an important contribution to the company’s success.<记忆小窍门> Many people contributed money to a poor boy, which contributed to his returning to school. The boy’s teacher wrote an article about this and contributed it to a newspaper.许多人捐钱给一个可怜的孩子，使得他能够重返校园，孩子的老师据此写了一篇文章并向报社投了稿。
4. acquire vt. 购得；获得，得到acquire/gain knowledgeeg. The museum has just acquired a famous painting by Pablo Picasso.She has acquired a good knowledge of English.obtain,acquire,gain,earnobtain包含着“努力”、“希望”或“决意”去获得某物的意思。
acquire虽然含有“努力获得”的意思，但更强调在原来的基础上自然增长或新的增添。
gain有obtain的含义，但更强调某物需要努力奋斗才能得到，而且这种东西具有价值，特别是物质价值。
earn包含着获得物与所花力气是相互成比例的。
5.urgent紧急的，紧迫的urgency n. urgently adv. urge vt.eg. The law is in urgent need of reform.It is urgent that the acute problem of air pollution in the city (should) be solved.6. remind: 提醒，使……想起remind sb. of somethingremind sb. to doremind (sb) that …eg. I’m sorry, I’ve forgotten your name. Can you remind me?Passengers are reminded that no smoking is allowed on this train.That view reminds me of the days when I was brought up in the village.7.alternative adj.可供代替的；n.可供选择的事物have no alternative but to do sth.eg. You can be paid in cash weekly or by cheque monthly; those are the two alternatives.Do you have an alternative solution to the problem?8.means n.手段，方法means of transport means of doing sth.by all means （口语）当然可以；用尽一切方法，一定要by means of 用…….，依靠…….by no means 绝不，一点也不（位于句首时句子要部分倒装）eg. The mobile phone is an effective means of communication.---- Do you mind if I have a look? ---- By all means.The load was lifted by means of a crane.She is by no means an inexperienced teacher.=By no means is she an inexperienced teacher.II.重点短语1.refer to: 1) 提交，交付；2）求助，查询；3）参照，参阅；4）言及，提到；5）把…称作eg. You can refer to your notes in the exam but discussing with others is not allowed.If you are still confused, please refer to the expert.The shop referred the complaint to the manufacturer.Don’t refer to that matter again.Is she the lady referred to last night?The speaker referred to him as an up-and –coming politicians.2.in addition 除…以外（还），此外In addition 另外，而且；单独使用，相当于副词，常用逗号隔开In addition to 除…之外还…；介词短语，后接名词或代词except介词，除…之外；除去同类事物except for介词，除…之外；除去非同类事物eg. The meal was excellent except for the first course.besides:1)介词，除了…之外还…2）副词，而且，此外，常用逗号与句子隔开as well as并列连词，既…又…，不仅…而且…apart from:1)除…之外，相当于except for2)除…之外还…相当于besides/in addition toeg. I have finished all the paper apart from the last question.Apart from /Besides/In addition to/As well as their house in London,they also have a villa Spain.3.draw one’s attention to 使某人察觉到eg. He drew/called (their) attention to the fact that many files were missing.4.under the umbrella of…在…的保护下eg. Many previously separate groups are now operating under the umbrella of a single authority.5. if only 但愿，要是……就好了。
引导的句子使用虚拟语气。
eg. If only I were rich!If only I had taken your advice!If only I should come to your party tomorrow evening!6. break down: 出故障；失败；（身体）垮掉；（谈话、通讯）中断; 打倒；分解eg. The telephone system has broken down.They have to stop working because the machine had broken down.Negotiations between the two sides have broken down.Her health broke down under the pressure of work.Firefighters had to bread the door down to save the people inside.After many years, rocks break down into dirt.7.get hold of 抓住，掌握，获得eg. It’s almost impossible to get hold of tickets for the final.hold动词短语：hold back/hold on/hold up/off/out/on to/up/to8.think back to 回想eg. I feel happy each time I think back to the experience I had in the USA.think about 考虑，打算think out 想出，想清楚think over 仔细考虑think up 想出，编造9.make a difference 有作用（关系、影响）eg. This dam will certainly make a difference to the local villages.make a big/great difference(to) 有很大的影响make no difference(to) 没作用，没影响。