Not long before a university professor（大学教授） made several experiments（实验） with different animals to find out which was the most intelligent.He found out the monkey was more intelligent than other animals.
In one experiment the professor put a monkey in a room where there were several small boxes.Some boxes were inside other boxes.One small box had some food inside it.The professor wanted to watch the monkey and to find out how long it would take the monkey to find the food.The professor left the room.He waited a few minutes outside the door.Then he knelt(跪下） down and put his eye to the keyhole.What did he see?To his surprise he found himself looking directly（正好） into the eye of the monkey.The monkey was looking at the professor through the other side of the door.
added on:
questions
56.The reading mainly wants to tell us ____.
A.the food is difficult for animals to find
B.there are too many animals to feed
C.the result of the experiment on a monkey
D.the professor was clever to make the experiment
57.The word "intelligent" int the reading means ____.
A.clever B.worried C.quick D.careless
58.The professor put the food in a small box to ____.
A.give the monkey a surprise
B.see how the monkey ate from a box
C.know how soon the monkey could find it
D.find out how the monkey could open the box
59.The professor watched the monkey by ____.
A.watching it through the keyhole
B.waiting outside the room
C.kneeling down at the door
D.digging a hole in the door
60.The experiments were probably（可能） made ____.
A.in the forest
B.outside a zoo with many people around
C.in a lab
D.in the professor's home
Answer:
56.C
57.A
58.C
59.A
60.C