在网络安全中，截取是指未授权的实体得到了资源的访问权。这是对______。A．可用性

阅读理解。

     Mr. Jenkins lived in the country, and one day he wanted to go to an office in the city. He found the

address, got into his car and drove to the city. He drove straight to the office without any trouble and

stopped his car in front of the office. He locked (锁)his car and wanted to go into the office, but suddenly he turned around and went back to his car. He phoned his wife and said, “Excuse me, I’ve locked my

keys in my car. Please bring me your keys.”

     Mrs. Jenkins got into their other car and drove 20 minutes to help him. But while Mr. Jenkins was

waiting for his wife, he walked around his car and tried the other door. It was not locked! He locked it

quickly before his wife arrived.

1. Where did Mr. Jenkins want to go one day?

A. To the country.                    

B. To an office in the city.

C. To his friend’s house              

D. To a post office in the city

2. He phoned his wife because_______.

A. he didn’t have the keys and couldn’t lock his car.

B. he had left his keys at home.

C. something was wrong with his car

D. he had locked his keys in his car

3. Which of the following sentences is right?

A. Mr. Jenkins and Mrs. Jenkins had only one car.

B. Mrs. Jenkins was too busy to help her husband.

C. He found the other door of his car wasn’t locked while he was waiting for his wife.

D. Finally his wife did not bring the keys to him.

下列说法，你认为正确的是（  ）

A．两个形状和大小都相同的图形可以看成其中一个是另一个平移得到的。

B．由平移得到的两个图形的形状和大小相同。

C．边长相等的两个正方形一定可看成是由平移得到的。

D．图形平移后对应线段不可能在同一直线上。

下列生态因素中不属于生物因素的是（　　）

A．空气

B．细菌

C．小草

D．人

下列有关有效市场假说的说法，正确的有( )。

A．在一个充满信息交流和信息竞争的社会里，一个特定的信息能够在股票市场上迅速即被投资者知晓

B．假设参与市场的投资者有足够的理性，能够迅速对所有市场信息作出合理反应

C．有效市场假说理论是由马柯威茨提出的经典理论

D．投资者根据该组信息所进行的交易不存在非正常报酬，而只能赚取风险调整的平均市场报酬率

广告取得成功的关键是（）

A.广告形象

B.广告设计策略

C.广告发布

D.广告媒体