Steve Jobs was one of the fathers of the personal computer times and the founder of Apple.

Steve Jobs was one of the fathers of the personal computer times and the founder of Apple. He was also one of the giants of the information age. Here are some of his greatest contributions.
AppleⅡ
Jobs and Steve Wozniak founded Apple Computers inc.in 1976. A year later, the AppleⅡwas invented. This production was the world’s first mass-market personal computer.
The iMac
Under Job’s leadership, Apple introduced the all-in-one iMac computer in 1988. The iMac became the first machine which offered only a CD-ROM slot (插槽).
The iPad
By 2010, Steve Jobs was confident that the world was ready to have a tablet computer that would be great for watching movies and playing games. The touch-sen-sitive iPad was a great success.
The iPhone 4s
The iPhone 4s came out on October 4, 2011, in America. It looks like the iPhone 4. It has a larger and wider screen and a slimmer yet wider case. It has a better camera and faster data transfer (数据传输) speeds.
【小题1】When was the AppleⅡinvented?A．In 1976B．In 1977.C．In 1998.D．In 2010.【小题2】Which of the following was the iMac which came out in 1988 different from others?A．People could play games on it.B．It offered only one CD-ROM slot.C．It had one camera in it.D．It had a larger screen.【小题3】What was the latest product?A．The iPhone 4s.B．The AppleⅡ.C．The iPad.D．The iMac.【小题4】From the passage, we can know that the iPad .A．has a better cameraB．is the first personal computerC．has a CD-ROM slotD．is great for watching movies【小题5】According to the passage, which of the following about the iPhone 4s is TRUE?A．Its screen is the same size as the iPhone 4.B．It has a smaller screen and slimmer case than the iPhone 4.C．It has a larger screen and a better camera than the iPhone 4.D．It uses more time to transfer the same date than the iPhone 4.B

(答案→)B 解析：这篇短文主要按照时间顺序介绍了史蒂夫乔布斯开发出的几种电脑产品。【小题1】根据Jobs and Steve Wozniak founded Apple Computers inc.in 1976. A year later, the AppleⅡwas invented. 描述，可知选B。【小题2】根据The iMac became the first machine which offered only a CD-ROM slot (插槽).描述，可知选B。【小题3】根据The iPhone 4s came out on October 4, 2011, in America. 描述，可知iphone4s是最新产品，故选A。【小题4】根据have a tablet computer that would be great for watching movies and playing games. 描述，可知选D。【小题5】根据It has a larger and wider screen and a slimmer yet wider case.描述，可知选C。

就是这个解释