高一英语第二十五单元 At the Conference

6 . You must be joking !

你一定是在开玩笑吧 !

joke 既可作名词用，表示“笑话”、“玩笑”，也可作动词用，表示“开玩笑”、“说笑话”。本句 ( You must be joking ) 实际上是表示不相信，且含有讥讽的意思。例如：

I was only joking .

He likes to joke with us about something in his family .

Don\'t play a joke on me .

I only said it for a joke .

7 . You can\'t be serious ! 你该不是当真的吧 !

serious 形容词，作“严肃的”、“认真的”解 ( = no joking ) 解。情态动词 can , 也可表示揣测，但主要用于疑问句和否定句。试比较：

You must be serious .

Can you be serious ?

8 . Dr Peter Baker is an expert on DNA , and I\'m an expert on ENT . 彼得•贝克博士是 DNA 专家，而我则是 ENT 专家。

be an expert on “是…方面的专家”。介词 on 表明具有某方面的专业知识。例如：

His father is an expert on Chinese history .

He is an expert on foreign affairs .

expert 后有时接介词 at／in , 表示擅长某种技能。例如：

My mother is an expert at／in cooking .

He is an expert at medicine .

9 . I\'m doing research in ENT at Lincoln College in Tennessee .

do research in／on 从事……研究工作。例如：

He has done a lot of research on that subject .

He is famous for doing his researches in electricity .

【妙文赏析】

Swimming 游泳

When all the days are hot and long 每当白昼炎热、漫长

And robin bird has ceased his song , 知更鸟停止了歌唱，

I go swimming every day 我每天出去游泳

And have the finest kind of play . 那是最美好的消遣。

I\'ve learned to dive and I can float , 我学会了潜水和浮游

As easily as does a boat ; 轻松自若像一叶轻舟；

I splash and plunge and laugh and shout 溅水、跳水、大笑、大喊

Till Daddy tells me to come out . 直到父亲叫我上岸。

It\'s much too soon ; I\'d like to cry 时间匆忙 ! 我真想哭

For I can see the ducks go by . 因为我见身边的鸭群还在畅游

And Daddy Duck — how I love him — 爸爸，我真喜欢它 —— 鸭爸爸

He lets his children swim and swim . 他让孩子们一直游啊游啊 !

I feel that I would be in luck 假若我是一只鸭，

If I could only be duck . 那我该多么幸福 !

〖 赏析 〗《游泳》是一首十四行诗，文字浅显如儿歌，脍灸人口。炎热的夏季，在河里嬉戏玩耍，自由自在，非常惬意。孩童的天真浪漫，活泼好动，在诗中通过 dive , float , sp

lash , plunge , laugh , shout 等几个词语表现得淋漓尽致。阳光，孩童，小溪，白鸭，欢声笑语，恬淡清新，构成一副令人爽心悦目的戏水图。

【思维体操】

谜语天地

1 . It brings spring showers to the sand 曾携春雨润沙漠，

And sends the ships to distant land . 又送白帆航远海，

At times it flies into a rage , 摧花折柳不留情，

Destroying flowers with its hand . 只缘一时怒火来。

2 . Though I dance at a ball , 但见舞姿婆娑，

I am nothing at all . 实属虚无飘渺。

3 . On the bridge across the sky , 拱桥架长空，

There is no carriage passing by , 不见过车马；

With brilliance shining far and near , 七彩照人间，

All at once it\'ll disappear . 顷刻失影踪。

谜底：1 . wind ( 风 ) 2 . a shadow ( 人影 ) 3 . rainbow ( 虹 )

三、智能显示

【心中有数】

单元语法发散思维

1 . — Could I borrow your dictionary ?

— Yes , of course you ____ .

A . might B . will C . can D . should

2 . — May I put my bike here ?

— No , you ____ .

A . needn\'t B . can\'t C . mustn\'t D . aren\'t able

3 . Our teacher are at work . You ____ make so much noise .

A . won\'t B . mustn\'t C . may not D . needn\'t

4 . — Need I start from the beginning ?

— Yes , you ____ .

A . need B . do C . can D . must

5 . — Must I write down the new words now ?

— ____ .

A . No , you needn\'t B . No , you may not
C . No , you mustn\'t D . No , you can\'t

6 . — Look , it ____ be Lao Wang .

— No , it ____ be him . H

《高一英语第二十五单元 At the Conference(第4页)》