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B3U3 Language Points 1Period 1 Listening and Speaking1.diverse(adj.)不同的；多种多样的diversity(n.)差异（性）；不同（点）；多样性diverse cultures多元文化cultural diversity文化差异The beauty of the world lies in the diversity of its people.世界之美源自人之多样。
The land is home to a great diversity of rare plants and animals.这片土地是多种珍稀动植物的家园。
机会；运气[C.]大笔的钱；巨款 a large amount of money misfortune[U.]厄运；不幸bad luckfortunate(adj.)幸运的；交好运的；吉利的lucky unfortunate(adj.)不幸的unlucky;令人遗憾的regrettable fortunately(adv.)幸运地；吉利地luckily unfortunately (adv.)不幸地；可惜地fortune cookie幸运曲奇He made a fortune in real estate.他在房地产上发了财。
I have been fortunate enough to visit many places of the world as a lecturer.我很幸运，去过世界很多地方做演讲。
3.墨西哥芝士玉米片4.spicy stew辣汤5.ethnic groups族群an ethnic minority少数民族ethnic clothes具有民族特色的服装6.cultural influences on American food对美国食物的文化影响7.a mix of cultures多种文化mixedculture dishes混合文化菜肴(mixed adj.混合的)a mix of A and B A和B的混合mix A and B把A和B混合/融合起来ter on 以后；后来；其后；随后9.be forced into slavery被迫成为奴隶force sb into (doing) sth/force sb to do sth强迫某人做某事10.in addition此外；另外11.die from the diseases死于疾病12.survive these terrible times挺过这段可怕的时期13.When it es to American food, some say no food was ever invented in America.(from listening text)说到美国食物，有人说美国没有发明食物。
B3U3 Language Points 2Period 4 Reading for Writing & Assessing Your Progress1.settle(vt.&vi.)定居；结束（争论）；解决纠纷settlement(n.)解决；协议；定居点settler(n.)殖民者；移民Historically, Chinese immigrants settled in the area during the railroad construction and gold rush period.历史上，在修筑铁路和淘金热时期，来自中国的移民定居于此。
(定居)It’s time you settled your differences with your father.现在你该解决同你父亲之间的分歧了。
(结束(争论))It has been settled that we leave on the nine o’clock plane.已经定好我们乘坐九点的航班离开。
(确定；决定) the settlement of a dispute争端的解决signs of an Iron Age settlement铁器时代村落遗址white settlers in Africa非洲的白人移民2.construction(n.)建筑；建造；建造物；（句子、短语等的）结构construct(vt.)建造；建筑；建设the construction industry建筑业road construction道路的施工Our new office buildings are still under construction/are still being built.我们的新办公大楼尚在修建中。
a wooden construction木结构建筑物grammatical constructions语法结构construct/build a bridge建桥construct a shelter out of/from/of fallen branches用落下的树枝搭窝棚名词/代词/数词+ + 关系代词（）表从属关系The majority of residents in Chinatown are still ethnic Chinese, many of whom do not speak English fluently.如今唐人街的绝大多数居民依旧是华人，他们中很多人英语说得并不流利。
B2U3Language Points 1Period 1 Listening and Speaking1.chat (vi./n.) 聊天；闲聊chattedchattedchattingchat online (adv.) 在线聊天I often chat about old days with my friends on the phone in my spare time.= I often have a chat with my friends about old days on the phone in my spare time.在闲暇时我经常和朋友在里聊聊过去的时光。
(chat with sb about sth = have a chat with sb about sth 与某人闲聊某事)a chat room（互联网上的）聊天室 a group chat 群聊词义关联：talk to/with sb about sth 说话；讲话；谈话speak to sb about sth 谈；谈话；交谈discuss sth with sb 讨论；谈论；商量gossip about sb/sth 传播流言蜚语；说三道四municate with sb/sth 与...交流2.stream(vt.)流播（不用直接在互联网上播放音视频）；流出(vi.)流动(n.)小河；溪流stream(vt.) movies and music 流播电影和音乐a stream 一条小河The exhibition has a steady stream of visitors. 参观展览的人络绎不绝。
(a stream of sth/sb （人）流；（车）流)Tears streamed down his face. 泪水顺着他的脸往下流。
Water streamed out of the pipe. 水从水管里流出来。
