必修四unit oneachieve ［t i v］vt. 完成；达到【经典例句】By hard working we can achieve anything.只要我们努力，任何事情都能成功。

【考点聚焦】同义词：accomplish v. 完成（任务等）；2）名词：achievement 成就；功绩entertain—entertainment,move—movement,equip—equipment,judge—judg(e)mentm,等。

3）achieve的常见搭配：我的记忆卡achieve success获得成功achieve victory取得胜利achieve one’s purpose达到目的achieve one’s aim 实现目标achieve a good result 得到好的结果achieve one’s goal 实现某人的目标2) mean的用法Mean doing sth. … 意味着做…Eg. Doing such a thing means wasting time.mean to do sth… 打算做某事eg. Do you mean to go without moneybehave [b heIv] vt. & vi.举动；举止；行为表现【经典例句】He behaved with great courage in the battle.他在这次战斗中表现得非常勇敢。

【考点聚焦】1) behavio(u)r n. 举止；行为；表现；misbehavio(u)r n. 不良行为2)常用搭配：behave oneself 使举止好；使举止规矩worthwhile [w：(h)wa l] adj.值得花时间（精力）的；有价值的【经典例句】It is worthwhile to visit the museum.参观这个博物馆是值得的。

【考点聚焦】1)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。

如：This laptop is worth 10 000 yuan and it is well worth buying.这台笔记本电脑值10 000元,很值得买。

worthy表示“值得”时，常作表语，结构为worthy of sth.。

如：It is a worthy cause and worthy of our hardworking.这是一份高尚的事业，值得我们努力。

worthy后面还可接动名词或不定式，结构分别是worthy of being done和worthy to be done。

如：The incident is worthy of being remembered.=The incident is worthy to be remembered.这次事件值得纪念。

observe [z v] vt. 观察；观测；遵守【经典例句】We should strictly observe the discipline.我们应该严格遵守纪律。

1）同根词：observer n.观察者observation n. 观察；观测2)observe的用法：They were observed to enter the bank/entering the bank.他们被注意着进了银行。

The boy observed what was going on between Tom and his sister.这个男孩注意着汤姆和他姐姐之间所发生的事。

(3) 举行（仪式等），庆祝（节日等）Do you observe Christmas Day_in your country 你们国家的人庆祝圣诞节吗3)当表示“看”时，observe，watch，see，notice的区别：observe 相当于watch carefully，指从不同的角度长时间地看并研究，尤其用于实验或研究等场合，如observe the stars（观察星星），observe the behavior of birds（观察鸟类的习性）等；watch意为“看；观看，特别留意、感兴趣地看运动着的东西”。

如watch TV（看电视），watch a game（观看比赛）等；outEg. I can’t work out the meaning of the poem.(理解，说出)Things have worked out badly. （进行，发展）Work out his income （算出）Work out a plan （制定，拟定）argue [′a：gju：] vi.争论；辩论vt.争论；说服【经典例句】He argued that the experiment could be done in another way.他认为这项实验可以换一种方法做。

2)argue 的用法：argue with over sth.因为……和……争辩,如：They are arguing with the officials over foreign policies.他们正就外交政策与官员们进行辩论。

argue+that 从句,如：We argued that we should be paid more.我们据理力争我们应该得到更高的薪水。

argue for/against提出理由支持/反对，如：He argued against the use of animals in this experiment.他反对用动物做这个实验。

entertainment [nt te n nt] n.款待；娱乐；娱乐表演例句】This is a serious novel，not an entertainment.这是一本严肃的小说，不是消遣读物。

【考点聚焦】1)同根词：entertain v. 招待；款待；使……欢乐；给……娱乐；entertaining adj.使人愉快的；有趣的2)与entertainment相关的词组：provide entertainment for... 为……提供娱乐give an entertainment to sb.招待某人inspire [n spa] vt. 鼓舞；感动；激发；启示【经典例句】We are all inspired by the heroic deeds of Dr. Bethune.白求恩的英雄事迹使我们大家深受鼓舞。

【考点聚焦】1)名词：inspiration n. 灵感；启发；鼓舞人的事或人2)inspire的用法：His speech inspired us.他的发言鼓舞了我们。

He inspired me to try again. 他鼓励我再试一次。

3)inspiring 和inspired 的区别：The students were all inspired by the inspiring song.学生们都被这首振奋人心的歌曲所鼓舞。

communication [k mju n ke n] n. 通讯；通信；交流【经典例句】He has been in communication with his family.他一直与家里保持联系。

strike [stra k] v. 打击；打动n. 罢工；袭击【经典例句】The union leaders called on a strike.工会领导号召罢工。

【考点聚焦】1)同根词：striker n. 罢工者；打击者；striking adj.惹人注目的；打击的；stike 的过去式是struck，过去分词是struck或stricken,现在分词是striking。

2)strike 的其他一些词义：vt.打；敲；击；袭击；击中；划火柴。

如：I struck a match and held it to his cigarette.我划着一根火柴伸到他的烟上。

vt. 突然想起；某种想法突然出现；给人留下印象。

如：An idea suddenly struck me.我忽然心生一计。

consideration [k n s d re n] n. 考虑；体谅【经典例句】After long consideration he agreed to their requests.考虑许久以后，他同意了他们的请求。

【考点聚焦】1)同根词：considerate adj.体贴人的；体谅人的；considered adj.经过深思熟虑的；considering prep. 考虑到；就……而论2）动词consider（vt.考虑；认为）的用法：后接名词、动名词、疑问词+不定式或宾语从句。

如：I’m consid ering changing my job.我正考虑换个工作。

（接动名词）take sth. into consideration 考虑到Your teacher will take your recent illness into consideration when judging your paper.deliver [d l v] vt. 递送；生（小孩）；发表（演说等）【经典例句】The professor delivered a lecture to us yesterday.教授昨天给我们作了个讲座。

【考点聚焦】1)名词：delivery n. 投递;发送;分娩2)deliver作“生（小孩）”解时与bear的区别：She was delivered of a healthy boy.她生下一个健康的男孩儿。

bear作“生育”解时是及物动词，如：She bore (has borne)six children. 她生了六个孩子。

短语·巧记·典句·考点either...or 不是……就是……【经典例句】She is either drunk or mad.她不是醉了就是疯了。

2)在either...or的句子中，谓语动词的单复数根据就近的主语而定。