It seems to be strange to you there is a blind spot(点) 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.

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

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

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

It seems to be strange to you there is a blind spot(点) 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.

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

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

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

It seems to be strange to you there is a blind spot(点) 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.
【小题1】The writer of the passage thinks that _____ there is a blind spot on the eye.

完形填空（共15小题；每小题1分，计15分）
阅读下列短文，从文后各题所给的四个选项中选出一个最佳答案。
Do you know how to study __1__ and make your study more effective (有效的)?　We all know that Chinese students usually study very hard for long　__2__, This is very good ,but it doesn’t__3__a lot ,for an effective student must have enough sleep ,enough food and enough rest and __4__. Every day you need to go out for a walk or visit some friends or some nice places. It’s good for your__5__.
When you return __6__your studies, your mind will be refreshed(清醒)and you’ll learn more__7__study better. Psychologists (心理学家)　__8__ that learning takes place this way. Here take English learning __9__ an example. First you make a lot of progress（进步）and you feel happy. __10__ your language study seems to stay the same. So you will think you’re learning nothing and you may give __11_. This can last for days or even weeks, yet you __12__ give up, and at some point your language study will again take another big __13__. You’ll see that you really have been learning all along. If you get enough sleep, food, rest and exercise, studying English can be very effective and __14_ . Don’t give up along the way. Learn __15__ ,you are sure to get a good result(结果).

Basketball is still a young game. It’s over a hundred years old. In the winter of 1891, a certain college was having some trouble with its boy students. The weather was bad and the students had to stay indoors. As they couldn’t play outdoors, they were unhappy, and some even got into fights from time to time.
　　Some of the teachers, at the college asked Dr. Naismith to invent a game so that the students might have something to play with. It was not easy to invent such a game because it had to be played indoors , and the court (球场) was not very large.
　　Dr. Naismith thought for a few days and invented a kind of ball game. It was a fast, wonderful game with much moving and passing of the ball. It was played between two teams. To make a score , the ball had to be thrown into the basket ten feet(英尺) above the floor on the wall . At each end of the court there was such a basket. At first, Dr. Naismith wanted to throw the ball into a box. As he could not find boxes of the right size, he had to use fruit baskets instead. That is how the game got its name.
1. How long is it since basketball was invented?
　　A. 1000 years                    　　　　　　　　　　B. More than 100 years
　　C. 1100 years                      　　　　　　　　　　D. Less than 100 years
2. The students felt unhappy because _______.
　　A. they had much homework to do
　　B. they often got into fights
　　C. they couldn’t play outdoors 
　　D. they had little time to study
3. Who asked Dr. Naismith to invent a game?
　　A. Some students                   　　　　　　　　B. Some teachers
　　C. Some students’ parents          　　　 D. Some of his friends
4. When a student ______ , he makes a score.
　　A. receives the ball.              　　　　　　
　　B. throws the ball to another student
　　C. runs quickly with the ball in his hand  
　　D. throws the ball into the basket
5. Which sentence is right?
　　A. Dr. Naismith had to use fruit to throw the ball.
　　B. It was easy to invent the game.
　　C. The students could go outdoors when the weather was bad.
　　D. The ball had to be thrown into the basket five feet above the floor.