题文

阅读理解。

It seems to be strange to you there is a blind spot on the eye. Here is an interesting experiment that can make something disappear, When one eye is open?      Make a card about the size of a postcard and write two English letters L and R on it. L on the left and R on the right. first, hold the card about 80 cm away and you see both the letters. Then close your right eye and look at the letter R only with your left eye. And now, as you move the card slowly towards you, you'll see the letter L disappearing. But if you move the card nearer to your lace, the letter will be seen again. Now do the same experiment with your left eye closed, you'll see the letter R disappearing.      Why did the letter disappear? It is because there is a blind spot on the eye. When the image of the letter falls on the blind spot, it won't be seen. That is why either of the letters disappear.

1. The word"disappear" in the first paragraph means _____.

[     ]

A. 消散 B. 丢失 C. 消失 D. 遗失

2. You fail to see the letter "L" in the experiment because _____.

[     ]

A. your eyes are poor B. you move it close to your eye C. its image falls on the blind spot D. your left eye is not open

3. In which order (顺序) should you do the experiment? a. hold the card b. move the card nearer c. close your right eye d. write two English letters e. look at the letter R f. make a card

[     ]

A. f-d-a-b-c-e B. a-c-f-d-e-b C. f-a-d-c-b-e D. f-d-a-c-e-b

4. This passage mainly (主要) tells us _____.

[     ]

A. there is a blind spot on the eye B. an interesting experiment C. where the blind spot is D. how to find the blind spot

题型：阅读理解  难度：偏难

答案

1-4  CCCA

据专家权威分析，试题“阅读理解。 It seems to be strange to you there is a blind sp..”主要考查你对  科教类阅读  等考点的理解。关于这些考点的“档案”如下：

科教类阅读

考点名称：科教类阅读

• 科普类的阅读：
  科普类的阅读理解包含介绍科学知识、社会知识的短文。阅读这类短文时，要以事实为中心进行思考，抓住事物的特征、用途、相互关系等。
  如果是介绍社会现象的文章，要掌握所谈现象的内涵。

• 答题技巧：
  1. 加强整体意识，把握文章的主要内容。在阅读的时候可给段落标上序号，并给重要的句子和
     关键词做上记号，尤其是各段中心句，为答题提供更快捷更多的信息源。
  2. 审清题干，发觉和把握试题中有效的提示性信息，确认命题的角度、阅读范围和答题方式。
  3. 定位阅读，强化对应意识。同时要注意原文利用和自我加工相结合。