新概念第二册 第55课 课件

New words and expressions
★ revealer n. 探测器 reveal v. 透露 泄露 揭露 reveal sth to sb eg. She revealed the secret to her. boyfriend . 她把秘密向她的男朋友透露了。 ★ invent v. 发明 创造 eg：Bell invented the telephone. inventor发明家 ； invention n.发明 创造
Lesson 55
Not a gold mine
New words and expressions
★gold n. 金子 gold watch/ring golden adj. 金色的, 宝贵的 Silence is golden. golden opportunity 宝贵的机会 ★ mine （1） 我的 eg. He is a friend of mine . （2） 矿 coal mine;gold-mine a mine worker ＝ a miner矿工 mineral adj. [ˈminərəl] 物 矿石 矿的 矿泉的 矿 mineral water 礦泉水
New words and expressions
★ pirate （1） n. 海盗（可做定語） a pirate ship / flag 海盜船/旗帜 （2） n. 盜印、盜版 （可做定語） a pirate video / tape 盜版视频 /磁帶 ★ arm （1）n. 手臂 arm in arm 臂挽着臂 shoulder to shoulder 肩並肩 hand in hand 手拉手 （2） v. 武装 arm sb with 用..武裝某人 be armed with 用..来武装 eg. The youth should be armed with knowledge.
The machine was used in a cave near the seashore where -- it is said -- pirates used to hide gold. ★ it is said是插入语，当“据说”讲。 ★ where=in which “在那儿” ，修饰 cave,是一个地点状语从句。 eg. This is the river where I swim.
Hale Waihona Puke Baidu Text
Armed with the new machine, a search party went into the cave hoping to find buried treasure.
★ armed with
过去分词短语作状语，表伴随状态。
过去分词----表被动，已经完成。 eg. The professor came of the classroom , followed by his students .
In spite of this, many people are confident that 'The Revealer' may reveal something of value fairly soon. In spite of 尽管 something of value=something valuable eg. The news is of importance to us. =The news is important to us.
⑶would 常和 often always frequently sometimes 等时间频度副词及具体时间连用。
Exercises
• 1）He used to smoke a lot , but now he has give up . • 2）It is said pirates used to hide gold here . Step 3 • 3）The pirates would often bury gold in the cave • 4）The river used to be clean . Step 2 • 5）When I was a boy we used to spend our holidays on a farm, we would get up at 5 and Step 1 we would help milk the cows.
New words and expressions
★ soil n. 泥土、土壤 rich soil 沃土 ←→ poor soil 瘠土 区分：soil 土壤（能生长植物的土地） ground 地面 earth 地球 大地（相对于天空而言） land 陆地（与江河湖海相对） field 田地田野 ★ entrance n. 入口 entrance of/to.. ..的入口 ★thoroughly adv. 彻底地 （completely/totally） eg：They searched the cave thoroughly .
Review:
1. Key structures：分词用法以及 used to do / would do 分词：现在分词表主动、正在进行；过去分词表被动、已经完成。 used to do过去经常做某事，暗含现在已经不这样做了。 would do 有明确的过去时间，表示过去这个动作经常重复跟现在不存在 比较关系 2. Main Points： eg. All that glitters is not gold . 發光的不一定是金子 eg. Silence is golden . 沉默是金 reveal sth to sb 透露 揭露 invent sth 发明某物 arm sb with 用…..武装某人 ; be armed with … entrance to/of… ... 的入口 be confident of sth 对某事有信心; be confident that … 对…有信心 be used to do 被用来做; used to do 过去常常做某事; be used to doing 习惯于做某事 in spite of 不顾 不管 ＝ despite prep.不管 尽管
Text
A new machine called 'The Revealer' has been invented and it has been used to detect gold which has been buried in the ground. ★ n. +called 被称之为……的… use ★ be used to do 被用于做某事 used to do 过去常常做某事 be used to doing 习惯于做某事
★ hoping to find 现在分词短语作状语，表伴随状态。
现在分词---表主动，正在进行。 eg. Some left the hall still weeping .
Text
Very excited, the party dug a hole two feel deep. ★ Very excited 形容词短语做状语 (位于句 首时，多用于说明原因或说明动作发生时 主语的状态。) eg. Tired of sleeping on the floor , he decided to buy a real bed .
Exercises
1. He used to work sixteen hours a day . 2. We used to live in the city. 3. He always uses scented soap(香皂). 4. He used to buy two bars of chocolate a day . 5. I couldn’t stand the noise at first but I am used to it now. 6. I am used to swimming in cold water . 7. This tool is used to cut .
表示过去习惯性动作: used to与would
⑴used to 和would 都可用来描述在过去某一段时间內的习惯
动作或经常做的事，一般来说，我们用used to来开始一段故 事；used to 可用来表示現在与过去的对比，而 would 不能。
⑵used to 可用来表示過去的状态和情況；would 只表示过去重复的动作，不能表示状态和情況。
New words and expressions
★confident adj. 有信心的 confidence n. 信心 be confident of n./doing sth. be confident that +从句 eg：He is confident of success . We are confident of studying English well. She is confident that she will win race .
Text
Dreams of finding lost treasure almost came true recently. ★ dream ① n. 梦想 dreams come true 梦想成真 dreams ended 梦想破灭了, 梦断了 ② v. 做梦 dream of doing sth. eg. I dream of flying in the sky. ★ come true 变成现实 实现 （无被动语态） eg. His dream came true . eg. He realized his dream .（his dream was realized.）
New words and expressions
★ detect v. 探测 eg. A machine was used to detect gold . detector n. 探测器 detective n. 侦探 ★ bury v. 埋葬 （buried buried burying) eg. He was buried with his wife . 他和他妻子葬在一起。