单选题
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.

单选题 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

【正确答案】 C

【答案解析】[解析] 主旨题。综观全文，本文讲述的是一位大学教授所做的一次猴子实验的经过和结果。故C为正确答案。

单选题 The word "intelligent" in the reading means ______.

A. clever
B. worried
C. quick

【正确答案】 A

【答案解析】[解析] 语义题。clever“聪明”；worried“焦急”；quick“快速”。由第一段可知，科学家做这个实验的目的是要看看哪种动物最聪明。故A为正确答案。

单选题 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

【正确答案】 C

【答案解析】[解析] 主旨题。由第二段第三、四行可知教授想知道的是猴子找到食物要用多长时间。选项中的how soon和文中的how long都有多长时间的意思。故C为正确答案。

单选题 The professor watched the monkey by ______.

A. watching it through the keyhole
B. waiting outside the room
C. kneeling down at the door

【正确答案】 A

【答案解析】[解析] 主旨题。文中第二段第五行指出，教授是通过keyhole来观察猴子的行为的。故A为正确答案。

单选题 The experiments were probably (可能) made ______.

A. in the forest
B. outside a zoo with many people around
C. in a lab

【正确答案】 C

【答案解析】[解析] 推断题。题目问实验可能发生的地方。由文中第一段的“大学教授”以及第二段中的in a room等多处细节可以得出实验是在实验室中完成的。故C为正确答案。