开放参观活动中的宣传小册子应在( )发给来宾。 A．中途休息时 B．赠送纪念品的同

阅读理解。     

        Not long before a university professor(大学教授)made several experiments (试验)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 small boxes. Some boxes were inside other boxes. One small box has some food in 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.      

1. 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     

2. The word "intelligent" in the reading means____.   

A. clever

B. worried     

C. quick    

D. careless  

3. 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 

4. The professor watched the monkey by____.  

A. watching it through the keyhole        

B. waiting outside the door              

C. kneeling down at the door          

D. digging a hole in the door  

5. The experiments were probably(可能)made_____. 

A. in the forest           

B. outside a zoo with many people around           

C.in the forest                   

D. in the professor's home

机械秤是根据（）原理进行设计的。

引起新生儿败血症最常见的病原菌是

A．大肠杆菌
B．葡萄球菌
C．铜绿假单胞菌
D．脑膜炎双球菌
E．溶血性链球菌

阅读材料，回答问题。

海洋强国是指在开发海洋、利用海洋、保护海洋、管控海洋方面拥有强大综合实力的国家。党的十八大报告提出“提高海洋资源开发能力……坚决维护国家海洋权益，建设海洋强国。”

2012年12月5日，中 * * * * 习 * * 同在华工作的外国专家代表座谈时指出，中国走的是和平发展道路，中国的发展不是自私自利、损人利己、我赢你输的发展，对他国、对世界绝不是挑战和威胁。中国绝不会称霸、绝不搞扩张。中国越发展，对世界和平与发展就越有利。

结合材料谈谈你对我国外交政策的宗旨的理解。

REU的主要作用是：（）。

A.解调所有音频信号

B.飞机上所有音频信号的接口与放大

C.飞机上所有音频信号的接口、放大与解调

D.只用于内话信号的方大与接口