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It seems to be strange to you there is a blind spot(點) on the eyes. 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 find the letter L disappearing. But if you move the card nearer to your face, the letter will be seen again. Now do the same experiment with your left eye closed, you’ll find the letter R disappearing.
Why does 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 disappears.
小題1:The writer of the passage thinks that _____ there is a blind spot on the eye.

A．few people know

B．no one knows

C．most people know

D．all the people know

小題2:In which order should you do the experiment?
①Hold the card ②Move the card nearer ③Close your right eye
④Write two English letters ⑤Look at the letter R ⑥Make a card

A．④⑥①②③⑤

B．①③⑥④⑤②

C．⑥①④③②⑤

D．⑥④①③⑤②

小題3:The passage mainly tells us _______.

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

小題1:A
小題2:D
小題3:D

試題分析：這篇文章通過一個實驗告訴我們，在我們的眼睛里有存在一個盲點，對于這個知識很少有人知道。
小題1:細節題。根據文章It seems to be strange to you there is a blind spot(點) on the eyes.可知，很少有人知道我們的眼睛有一個盲點。故選A
小題2:細節題。根據文章可知，我們做實驗的順序應該是：制作一個卡片，寫上兩個英語字母，舉起卡片，閉上右眼，看字母R,移動卡片離眼睛更近。故選D
小題3:主旨題。這篇文章通過一個實驗告訴我們，在我們的眼睛里有一個盲點。故選D
點評：對于此類科普類說明文，學生在答題時需要把握好答題的方法，首先對文章進行整體的閱讀，初中的閱讀來說不難，重在對單詞詞義的考察及其整個文章語言邏輯關系的判斷。所以在平時的學習中除了多去積累記憶單詞外，還需要適當做題，保持良好的語感與閱讀的習慣。

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