I.NewWordsandExpressions7upbeat[^pbi:t]adj.乐观的，快乐的，积极向上的e.g.Hehastheupbeatmannerofaneternaloptimist.他永远都持乐观主义者的那种快乐态度。e.g.Putsomeupbeatmusicon.可以放一些乐观的音乐。8.demeanor[di'mi:na]n.行为，态度e.g.Ithink his demeanortough and roughish.我认为他的举止强硬而粗暴。e.g.She is direct andcasual in speech and demeanor in her private life私下里，她是一个言谈举止直接随意的人
7. upbeat ['ʌpbiːt] adj. 乐观的，快乐的，积极向上的 e.g. He has the upbeat manner of an eternal optimist. 他永远都持乐观主义者的那种快乐态度。 e.g. Put some upbeat music on. 可以放一些乐观的音乐。 8. demeanor [di'mi:nə] n. 行为，态度 e.g. I think his demeanor tough and roughish. 我认为他的举止强硬而粗暴。 e.g. She is direct and casual in speech and demeanor in her private life. 私下里，她是一个言谈举止直接随意的人。 I. New Words and Expressions
I.NewWordsandExpressions9.extroverted['ekstrauv3:tid]adj.外向的e.g.I'm neither introverted nor extroverted.我既不内向也不外向。e.g.The Arab people are known for their extroverted natures, fortheir love of peace阿拉伯人民以性格外向和热爱和平著称。10.expressive[rk'spresiv]】adj.富于感情的，明确表露想法的e.g.She has wonderfully expressive eyes.她有一双极富表情的眼睛晴。e.g.Everywordandgestureisexpressiveof theartist'ssincerity这位艺术家的真诚从一言一行中表现出来
9. extroverted ['ekstrəʊvɜːtɪd] adj. 外向的 e.g. I'm neither introverted nor extroverted. 我既不内向也不外向。 e.g. The Arab people are known for their extroverted natures, for their love of peace. 阿拉伯人民以性格外向和热爱和平著称。 10. expressive [ɪk'spresɪv] adj. 富于感情的，明确表露想法的 e.g. She has wonderfully expressive eyes. 她有一双极富表情的眼睛。 e.g. Every word and gesture is expressive of the artist's sincerity. 这位艺术家的真诚从一言一行中表现出来。 I. New Words and Expressions
I.NewWordsand ExpressionsIlhospitable[hp'spitabal]adj.好客的，殷勤的，热情友好的e.g. The locals are hospitable and welcoming.当地人热情好客。e.g.Thecityis justtoohospitable.这个城市实在是太好客了。12.obvious[pbvias]adj.显然的，明显的，易理解的e.g.Theofficersawnoobvioussignsofabreak-in,那个警察没看到任何闯入的明显痕迹。e.g.There isan obviouscontrast between theculturesof Eastand West.东西方文化之间存在着明显的差异
11. hospitable [hɒ'spɪtəbəl] adj. 好客的，殷勤的，热情友好的 e.g. The locals are hospitable and welcoming. 当地人热情好客。 e.g. The city is just too hospitable. 这个城市实在是太好客了。 12. obvious ['ɒbvɪəs] adj. 显然的，明显的，易理解的 e.g.The officer saw no obvious signs of a break-in. 那个警察没看到任何闯入的明显痕迹。 e.g. There is an obvious contrast between the cultures of East and West. 东西方文化之间存在着明显的差异。 I. New Words and Expressions
I.NewWordsand Expressions13tropical['trppkal]adj.来自热带的，产于热带的e.g.Theswimmingpoolisframedbytropicalgardens.游泳池四周环绕着热带花园。e.g.The aquarium has some interesting specimens of unusual tropical fish.水族馆里有一些很有趣的罕见的热带鱼。14.quantity["kwpntrt]n.数量e.g. The police found a quantity of drugs at his home警察在他家发现了大量毒品。e.g.Theexactquantity cannotbedeterminedat present.确切数量目前尚不能确定
13. tropical ['trɒpɪkəl] adj. 来自热带的，产于热带的 e.g. The swimming pool is framed by tropical gardens. 游泳池四周环绕着热带花园。 e.g. The aquarium has some interesting specimens of unusual tropical fish. 水族馆里有一些很有趣的罕见的热带鱼。 14. quantity ['kwɒntɪtɪ] n. 数量 e.g. The police found a quantity of drugs at his home. 警察在他家发现了大量毒品。 e.g. The exact quantity cannot be determined at present. 确切数量目前尚不能确定 I. New Words and Expressions