在面向对象技术中,类属是一种 (1) 机制。一个类属类是关于一组类的一个特性抽象,它强调的是这些类的成员特征中与 (2) 的那些部分,而用变元来表示与 (3) 的那些部分。 (2)处填()。
A. 具体对象无关
B. 具体类型无关
C. 具体对象相关
D. 具体类型相关
Every traveller has a tale to tell about bad driving. These are usually exaggerated(21) of life on the main streets of cities where the motorists are crazy and traffic lights are treated as colourful (22) . It all happened on a Sunday April morning. I (23) my intention to turn left into a side road and paused as the oncoming traffic cleared. But as I drove across the road, an elderly man driving a battered Renault 12 chose to overtake me (24) pass on the inside. There was a fearful bang and my car was pushed sideways. I felt groggy and bruised and was taken to hospital in the back seat of a police car. There my spleen was removed. Fortunately, though, my recovery was steady and (25) .But that’s not the end of the tale. Yes, I had taken out insurance and it covered my medical expenses, (26) while I recovered and my flights home. However, as all ways, there was a catch to it. I had (27) hired my car from a backstreet firm called Kavis that had been recommended by the hotel front desk. I was assured that I had full insurance cover, but Kavis (28) my credit card 800 on the day of the accident. My solicitor took advice on the form I had signed. Being in a hurry at the time, I hadn’t (29) to get it translated. “Mr. Balmer was stupid to sign this document,”it read. I (30) with a smile. After all, I am still alive!