译林牛津版高中英语选修八知识讲解 Unit 3 The world of colours and light语言点

Unit 3 The world of colours and light语言点

：牛新阁：

学习目标

重点词汇

medium, acute// represent, calculate, shadow, commit, reward, accommodation, admission, scenery, cloth, disgusting

重点短语

more than, put on, build up, be off to, cut up, cut ... out (of), lay out, have a go (at), have an appetite for

重点句型

hardly...when...

of +抽象名词

知识讲解

重点词汇

medium

【原句回放】He did not just paint, but made sculptures and worked with all kinds of media. 他不仅绘画，还创作雕塑，利用各种材料创作作品。

【点拨】medium n. (艺术创作的)材料，形式；媒介，传媒（复数：media或mediums）adj.中等的

常用搭配：of medium height 中等身材的

Commercial television is an effective medium for advertising.

商业电视是有效的广告宣传工具。

Television can be an excellent medium for education.

电视会是一种绝好的教育手段。

The boy is of medium height for his age.

这男孩的身高在他这个年龄算中等。

acute//represent

【原句回放】He experimented with different styles of painting, but was most famous for his work in Cubism, which often uses acute angles and where the world is represented as being constructed of cubes and rectangles. 他尝试过多种不同的绘画风格，但以立体派的作品著称。立体派作品常采用锐角来表现事物，作品中世界被呈现为立方体和矩形。

【点拨1】acute adj. 锐角的；敏锐的；急性的，严重的；强烈的

常用搭配：acute angle 锐角

acute infection 急性感染

acute observer 敏锐的观察家

acute shortage 严重短缺

He suffers from acute depression.

他患有严重的抑郁症。

The housing shortage is more acute than first thought.

住房短缺比最初想的要严重。

Sim on’s vague manner concealed an acute mind.

西蒙含糊的风格隐藏了他敏锐的头脑。

【拓展】acuteness n. 剧烈；敏锐；锐利

【点拨2】represent vt.表现，描绘，声称，象征；代表

常用搭配：represent ... as ... 把……描绘成……

The picture represents a hunting scene. 这是一幅打猎图。

The rose represents England. 玫瑰花是英格兰的象征。

He represented himself as an expert. 他把自己说成是专家。

We chose a committee to represent us. 我们选出一个委员会来代表我们。

【拓展】representative n.代表；众议员；典型adj.代表的；典型的；代表制的representation n.陈述；表现

calculate

【原句回放】By popular consensus, this is the most valuable painting in the world—it is impossible to calculate what price it would fetch if it ever came on the market. 举世公认，这幅画是世界上最珍贵的油画作品——如果这幅画到市场上出售，不可能估算出它可以达到什么价格。

【点拨】calculate vt. & vi.计算，推测

常用搭配：calculate on/upon 指望;期待

be calculated for 适合于……

I calculated that he would arrive at midnight.

我推测他半夜会到。

This school is calculated for the disabled children.

这个学校适合于那些残疾孩子。

We cannot calculate upon having fine weather for the sports meeting.

我们不能指望运动会能有好天气。

【拓展】calculation n.计算；估计；

calculator n.计算器；计算者

shadow

【原句回放】With Impressionism, the painter abandons the idea of representing things exactly as they look in a photograph, but seeks to show movement and the feelings of the moment，through the use of colours, light and shadows. 作为印象派，画家（莫奈）放弃了要按着在图片中看上去的样子表现实物的想法，设法通过色彩、光线和影子来显现当时的活动及感受。

【点拨】shadow n.阴影，影子；阴暗处

vt.投下阴影；跟踪

The parents didn’t want their quarrel to cast a shadow over the mind of their children.

父母不想让他们的争吵在孩子们心里留下阴影。

He walked along in the shadows hoping no one would recognize him.

他在暗处向前走着，希望没有人认出他来。

常用搭配：cast a shadow (on/over) (给……)投下阴影

in shadow 在阴暗处

under the shadow of 在……的阴影中