新概念2第55课课件PPT课件

1、 platinum n. 白金, 铂第1页/共17页 mine 矿treasure n. 财宝 (为总称, 没有复数)jewel n. 宝石 珠宝, (可数)jewelry n. 珠宝, 珠宝类 珠宝 (总称, 不可数)I have some jewels.= I have some jewelryv.珍惜，珍爱I treasure the friendship with you.第2页/共17页 revealer n. 探测器 reveal v. 揭示，泄露detect v. 探测detective n. 侦探 第3页/共17页 bury 埋葬 cave 山洞 seashore 海岸第4页/

2、共17页 pirate n. 海盗 ( 盗印者, 盗版者, 侵犯专利权者) vt. 盗印, 盗版, 掠夺, 翻印 vi.做海盗 arm n. 手臂；武器 hold ones arm v. 武装 Soldiers should be armed well. 士兵应该要很好的武装。 be armed with 用来武装 The youth should be armed with knowledge. 年轻人应该用知识武装自己 army n. 军队第5页/共17页 soil 泥土 entrance n. 入口 entrance of/to 的入口 entrance of the park ； en

3、trance to the park exit kst n. 出口, 太平门 vi. 退出第6页/共17页 finally adv.最后的 in the end/at last worthless 毫无价值的 thoroughly adv. 彻底地 completely/totally第7页/共17页 trunk 1、树干 The trunk of this tree is four meters thick. 2、（旅行用)大皮箱;汽车车尾的行李箱 Let me put your baggage in the trunk. 我来把你的行李放在汽车后部的行李箱内。 confident n. 有

4、信心的be confident in sb 对某人有信心be confident of doing sth. 有信心做be confident that +从句 有信心做confidence n. 信心第8页/共17页 Value 名词 n. 1. 重要性,益处U This dictionary is of little value to you. 这本词典对你没有什么帮助。 2. 价值;价格CU The value of the dollar may fall. 美元的币值可能下降。 及物动词 vt. 1. 估价,评价(+at) I value this necklace at $5,000

5、. 我估计这条项链值五千美元。 2. 尊重;重视,珍视 My father values honesty beyond all things. 我父亲把诚实看得比什么都重要。 第9页/共17页 【课文讲解】 1、Dreams of finding lost treasure almost came true recently. dream n. 梦；v. 做梦 n. 梦想 dreams come true 梦想成真 dreams ended 梦想破灭了, 梦断了 dream of 的梦 Dream of flying in the sky comes true. v. 做梦 dream of

6、doing sth. I dream of flying in the sky.(dream v) His dream to travel around the world at last came true.第10页/共17页 2、A new machine called The Revealer has been invented and it has been used to detect gold which has been buried in the ground. 一句话中只有一个动词, 如果再出现动词, 可以用and并列连接, 也可以变成复合句, 用when, because连

7、接, 还可以使这个动词表示动词意思, 但不做谓语, 即非谓语动词 过去分词做定语, 表示 “被”，如ploughed field n. +called 被称之为的（如果用短语修饰其他词, 则把短语放在被修饰词的后边） the plane called a “Pilatus Porter” be used to do sth. 被用来 used to do 过去常常 in the ground (更习惯于用 “under the ground” )第11页/共17页3、The pirates would often bury gold in the cave and then fail to c

8、ollect it.would表示过去的习惯性动作, 但此处表示 “used to” 过去常做fail to do sth. 未能、不能、忘记做某事（fail后面接动词不定式表示否定）He failed to see the reason why they sent him away.collect的含义之一为“（去）取，接”Dont fail to collect me before you go to the party.Ill collect my post on my way home.第12页/共17页 5、Armed with the new machine, a search p

9、arty went into the cave hoping to find buried treasure. 如果几个句子的主语是同一事物, 则可以把几个句子合并为一个句子。保留一个句子做主句, 其他的变成非谓语动词。非谓语动词采用何种形式, 则根据其与主语的关系, 如果是主动关系, 用-ing, 被动关系, 则用动词的-ed形式 主句与其他句子的位置安排要保持句子的平衡, 还要注意动作的连贯 The boy went home. The boy was crying. The boy was beaten. =Beaten by sb, the boy went home, crying.

10、 arm(ed) with 可以表示“带着、装着、穿着”等 Dont worry. Im armed with an umbrella. Youd better arm yourself with a warm coat.第13页/共17页 6、Very excited, the party dug a hole two feel deep. Very excited, 形容词短语做状语 Tired of sleeping on the floor, Tired, I went home./ I went home tired.句子顺序不同, 表达的意思也不同第14页/共17页 7、In sp

11、ite of this, many people are confident that The Revealer may reveal something of value fairly soon. in spite of / though / even if 尽管 something of value of表示其所修饰的名词具有某种性质、状况，of加名词往往让人联想这名词对应的形容词 The news is of great importance to us. of valuevaluable 有价值的 of small value 价值很小(= almost worthless) 形容词要

12、放在不定代词的后边 something important =something of importance someone patient =someone of patience第15页/共17页 【Key structures】 表示过去习惯性动作 当我们提到过去某一特定时间时, 我们有时可用would来代替used to，有时则不可以，而且would需要指出具体时间，used to则不需要。 当used to暗示与现在的对照时，不可用would替换： I used to drink heavily, but I have given up drinking now. I never used to eat a large breakfast, but I do now. 当used to描写过去的状态时，也不可与would互换，would只表示过去特有的习惯或行为： I used to be a waiter, but now Im a taxi-driver. 当used to不强调与现在的对比时，可与would互换。但一个故事开头