It seems to be strange to you that there is a blind spot (盲点)on the eyes. Here is an interesting experiment (实验) 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.
【小题1】The writer of the passage thinks that ________ there is a blind spot on the eyes.

It seems to be strange to you that there is a blind spot (盲点)on the eyes. Here is an interesting experiment (实验) 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．all the people know

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

A．出现             B．远离             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 (顺序) 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．an interesting experiment

C．where the blind spot is

D．there is a blind spot on the eyes

It seems to be strange to you that there is a blind spot (盲点)on the eyes. Here is an interesting experiment (实验) 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. 1.

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

   1. A.
      few people know
   2. B.
      no one knows
   3. C.
      most people know
   4. D.
      all the people know
2. 2.

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

   1. A.
      出现
   2. B.
      远离
   3. C.
      消失
   4. D.
      靠近
3. 3.

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

   1. A.
      your eyes are poor
   2. B.
      its image falls on the blind spot
   3. C.
      your left eye is not open
   4. D.
      you move it close to your eye
4. 4.

   In which order (顺序) 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

   1. A.
      ④⑥①②③⑤
   2. B.
      ①③⑥④⑤②
   3. C.
      ⑥①④③②⑤
   4. D.
      ⑥④①③⑤②
5. 5.

   The passage mainly (主要) tells us ________

   1. A.
      the blind spot can move
   2. B.
      an interesting experiment
   3. C.
      where the blind spot is
   4. D.
      there is a blind spot on the eyes

A crow (乌鸦）wants to drink, but he can't find water. He looks here and there. At last （最后），he cries （大叫）, "I can see a jar （罐子）and there is some water in it." He tries （试图） to get the water, but he can't. "How can I get the water?" he cries, "I can put my break （鸟嘴）quite close （靠近）to it." But still （仍然）he can not drink. "What can I do? I want to drink."

He looks here and there, then he picks up a small stone (石头)　in his break and carries it to the jar of water and drops it into the jar. "Soon the water will be high in the jar, and I can drink," says the crow. So he begins (开始) to do that until （直到）the water is high enough to drink.

（ ）41. What is the crow looking for?    

A. A jar      B. Water      C. Food      D. Meat

（ ）42.Why doesn't he drink right now（马上）？

A. He isn't very thirsty.           B. No water in the jar.

C. He doesn't want to drink it.     D. The water isn't high.

（ ）43. What's the English meaning （意思）for "drop"?

A. put… into…    B. take…to…    C. carry…to…     D. put…on…

（ ）44.Why does he pick up the stone?             

A. He is hungry.                     B. He wants to put them into the jar.

C. He wants to make his break strong.    D. He is playing a game

（ ）45.Which title （题目）do you think is the best (最好)?

A.A Clever(聪明的) Crow      B.A thirsty Crow

C. A Crow and A Jar of Water   D. A Crow and Stones