Question

It seems to be strange to you that there is a blind spot (盲點(diǎn))on the eyes. Here is an interesting experiment (實(shí)驗(yàn)) 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 eyes. When the image (影像) of the letter falls on the blind spot, it won’t be seen. That is why either of the letters disappears.

1.The writer of the passage thinks that ________ there is a blind spot on the eyes.

A．few people know

B．no one knows

C．most people know

D．a(chǎn)ll the people know

2.The word “disappear” in the passage means ________ in Chinese.

A．出現(xiàn)             B．遠(yuǎn)離             C．消失             D．靠近

3.You fail to see the letter L in the experiment because ________.

A．your eyes are poor

B．its image falls on the blind spot

C．your left eye is not open

D．you move it close to your eye

4.In which order (順序) 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

5.The passage mainly (主要) tells us ________.

A．the blind spot can move

B．a(chǎn)n interesting experiment

C．where the blind spot is

D．there is a blind spot on the eyes

 

Answer 1

【答案】

1.A

2.C

3.B

4.D

5.D

【解析】試題分析：這篇短文作者通過一個(gè)實(shí)驗(yàn)，告訴了我們?cè)谖覀兊难劬ι嫌幸粋�(gè)盲點(diǎn)，并重點(diǎn)解釋了造成這一現(xiàn)象的原因。

試題分析：

1.根據(jù)第一段It seems to be strange to you that there is a blind spot (盲點(diǎn))on the eyes.描述，可知很少有人知道眼睛上勸盲點(diǎn)。故選A。

2.聯(lián)系下文描述，可知此處指的是讓某物消失，故選C。

3.根據(jù)最后一段When the image (影像) of the letter falls on the blind spot, it won’t be seen.描述，可知選B。

4.根據(jù)短文第二段描述，可知選D。

5.這篇短文主要告訴了我們?cè)谖覀兊难劬ι嫌幸粋�(gè)盲點(diǎn)，故選D。

考點(diǎn)：關(guān)于眼睛上盲點(diǎn)的說明文閱讀

點(diǎn)評(píng)：本文中長(zhǎng)句較多，一時(shí)很難讀懂句子含義，注意多讀幾遍，不要強(qiáng)求非得理解一詞一句的含義，能把握文章大意就行。然后帶著問題閱讀短文，一般就能順利找出答題依據(jù)。對(duì)于不能直接找到根據(jù)的問題注意聯(lián)系上下文，根據(jù)短文中心總結(jié)出正確答案。