高中英语 Unit 21 Human Biology Lesson 2 Brain Power课件 北师大版选修

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2)常用搭配: treat sb./oneself to sth.用某物招待某人/自己 treat sb./sth.以……的态度/方式对待某人/某事 treat sth.as sth.把……看作/视为…… be treated for...因……而接受治疗 treat sb.(for sth.)(with sth.)(用……)医治某人(的……病) It’s my treat.我请客。(treat n.请客;款待) 活学活用 完成句子 1)—It’s so hot.What about getting a drink? It’s my treat —Good idea. (我请客) today. 语法填空 to 2)I’ll treat myself a computer.
Lesson 2 Brain Power
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一、英汉互译 privileged 1.荣幸的 推迟,延期 2. scan 3.扫描 充足的,充裕的 4. storage 5.储存
postpone ample
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二、完成短语 of 1.由……组成 consist for 2.对……负责 be responsible up 3.加大,增强 build off 4.推迟 put to 5.着手做 get down 6.通过(考试) get through to 7.be related 与……有关 to pare... ... 把……比作…… away 9.straight 立即,马上 to 10.cater 迎合
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活学活用 语法填空 1)They postponed 2)The sports meet the rain.
sending (send) a reply to the request. was postponed (postpone) because of
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5.straight away 立刻,马上 It was very sharp of you to notice the detail straight away. 你真机灵,一下子就注意到了这个细节。 1)注意下面的句式: I came immediately I heard the news. 我一听到这个消息,马上就来了。 You must go to bed directly the bell rings. 铃声一响,你必须立刻上床睡觉。 I recognized her instantly I caught a glimpse of her. 我瞥了她一眼就把她认出来了。 She was on her feet the moment the doorbell rang. 门铃一响,她立刻就站了起来。
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2.privileged adj. 荣幸的 We are privileged to welcome you as our speaker this evening. 我们荣幸地欢迎您今晚来做我们的演讲者。
Education should be a universal right and not a privilege. 教育应当是全民的权利而非部分人的特权。 It was a great privilege to hear her sing. 能听她唱歌真是十分荣幸。 This pass will privilege you to attend the closed hearings. 有了这张通行证,你就有权出席不公开的听证会了。 归纳:privilege 用作名词,表示“特权”和“荣幸”;用作动词表示“给 予……特权”。
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活学活用 完成句子 It is a great privilege 1) 的荣幸) to meet you here. have the privilege 2)No one shall transcending the law.
(是莫大 (有特权) of
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3.treat v. 款待 I’ll treat my old friends to lunch next Sunday. 下周日我要请老朋友们吃午餐。 I’m going to treat myself to a new pair of shoes. 我打算给自己买双新鞋。
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2)辨析:postpone,delay与put off
用法 例句 It has been decided to 指主观上有意地延迟,还 postpone the plan.已经决定 postpone 可指做完另一件事或了 推迟执行该项计划。 解情况后再做某事。 表示“延迟做某事” 时,delay 指由于客观原因 They have to delay answering his letter.他们不 delay 或意外原因而不得不延 得不延迟给他回信。 迟;还可指“拖延或迟迟 不做某事”。 The appointment was put off 与 postpone 用法相同,比 because of his illness.由于他 put off postpone 更通俗。 生病而推迟了约会。
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三、选择适当的单词或短语并用其正确形式填空 imagine absolutely connect consist of make up
It is an 1. absolutely amazing organ.The brain 2. consists of grey and white matter.It weighs just over a imagine kilo—just 3. that,like a kilo of potatoes.But this is a very special kilo.It uses twenty percent of the body’s energy.And it contains over one hundred billion cells—that’s a “billion” with a make up “b”.One hundred billion cells.These 4. nerve connected cells,which are 5. by electrical impulses.The brain sends messages using electrical impulses,the same way a computer works.
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34Biblioteka 5归纳:下列词语后都可以接从句;immediately(立刻),directly(立 即),instantly(立刻),the moment(那一刻)。而straight away后面则不 能接从句。 2)与away相关的短语: break away突然离开;逃跑,脱身 give away赠送;分发;泄露 turn away转过去;走开;驱逐,解雇 put away把……收起;放好;储存 throw away扔掉;错过 活学活用 语法填空 the 1)You can have the magazine moment I finish reading it. away 2)I’m sorry I have forgotten it.I’ll do it straight .
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4.postpone vt. 推迟,延期 It was an unpopular decision to postpone building the new hospital. 推迟兴建新医院的决定是不得人心的。 The game has been postponed three times. 这场比赛已经被推迟了三次。 1)postpone,delay,put off后面接动词-ing形式,不能接不定式。其后的时 间状语常用to或until连接。 The ball game was postponed until the next Sunday because of the rain. 球赛因雨延期到下个星期天。 If you think you are ill,you shouldn’t put off/delay going to the doctor. 如果你觉得不舒服就不应该拖延,要赶快看医生。
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1....and it is our brain that interprets these signals and builds up a picture of the outside world. ……是我们的大脑翻译了这些信号,然后形成外部世界的图像。 剖析 本句是一个强调句。强调了主语部分。 考点build up 建立 We are gradually building up a picture of what happened. 我们逐步了解到所发生的事。 活学活用 语法填空 up Positive attitudes can not only build one’s confidence but also improve the quality of one’s life.
1)I was greeted with smiling faces and treated like a queen. 我受到了笑脸欢迎,得到了女王般的待遇。 He treated his friends in his country cottage. 他在乡间的别墅里款待了他的朋友们。 She was treated by a famous doctor. 一位名医为她进行了治疗。 归纳:treat还可以表示“看待”“款待”和“治疗”。