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What is colour? Why do some of the things around us look red, some green, others blue?

 Colours are really made by reflected(反射)light. We see colour because most of the things reflect light. Something is red, for it reflects most of the red light. In the same way, if something is green, it reflects most of the green light. If something reflects all light, it is white. If it doesn‘t reflect any light, it is black.

 Some of the light is reflected and some is taken in(吸收)and turned into(變成)heat(熱能).The darker the colour is, the less light is reflected, the more light is taken in. So dark-coloured(深色的)clothes are warmer in the sun than light-coloured clothes.

1.When something reflects light, we can_______.

A.see its colour      B.see its heat        C.not see its colour    D.see nothing

2.In summer _____make people feel cool.

A.dark-clolured clothes                    B.red-coloured clothes

C.green-coloured clothes                   D.light-coloured clothes

3.(Originally created) Why does the author use a question at the beginning of this passage?

A.The author doesn’t has a knowledge of colour.

B.The author shows off his knowledge of colour.

C.To ask the readers to answer this question.

D.To draw the readers’ interest in reading this passage.

4.(Originally created) In which of the following you can find this passage?

A. A travel book                  B.A history book

C. A popular science magazine      C, An entertainment newspaper.

5.What’s the best title(題目)of this passage(短文)?

A.Dark colour        B.Colour            C.Heat             D.Clothes

 

【答案】

1.A

2.D

3.D

4.C

5.B

【解析】

試題分析:本文主要講述的是顏色的話題,為什么會出現不同的顏色?解釋了原因和日常生活中的運用點。

1.A 細節題。根據第一段1,2行Colours are really made by reflected(反射)light. We see colour because most of the things reflect light.說明A正確。

2.D 推理題。根據第三段第2句The darker the colour is, the less light is reflected, the more light is taken in.說明黑色吸收陽光較多,那么夏天盡量不要穿深顏色的衣服,要多穿淺色的衣服,那樣讓人們感覺很涼爽。故D正確。

3.D 推理題。在文章第一段中What is colour? Why do some of the things around us look red, some green, others blue?用問句是為了引起讀者的興趣,故D正確。

4.C 推理題。本文主要介紹了顏色的原理,不同的顏色主要是因為反射的光線不同。這是一種科學原理,故最有可能出現在科學雜志上,故C正確。

5.B 主旨大意題。本文主要講述的是顏色的話題,為什么會出現不同的顏色?解釋了原因和日常生活中的運用點。故B正確。

考點:考查科普類類短文

點評:本文主要介紹的就是顏色形成的原因。此類文章的最大的障礙是詞匯以及考生對閱讀內容的不熟悉,需要考生在閱讀的時候有足夠的耐心。要養成在上下文串聯中猜測詞義的能力,根據上下文中出現的同義詞,近義詞,反義詞,以及詞義的解釋來理解生詞。同時要抓住文章的中心,不要受其他信息的影響。要根據題目及選項以及文章的上下文串聯合理的判斷推理。

 

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