1. (2018八上·宝安期中) 阅读下面短文，从短文后所给的A、B、C三个选项中选出能填入相应空白处的最佳选项。

    How do we gave a computer instructions?

    We give a computer instructions by putting different programs into it. Computer programmers (程序员) write computer programs. It is 1 for these people not to make mistakes. Otherwise, the computer will not work 2.

    A computer needs 3 programs to do different jobs. For example, playing, games, writing letters and drawing pictures all need different 4, There are also different 5 for different programs. To write a program, people need to know the right language. Sometimes a programmer may know many different languages. 6, computer languages are not spoken languages like Chinese or English. They are 7 languages. Only the computer and the programmer can understand 8.

    A computer's memory

    Computers today have large hard drives (硬盘). The hard drive is like a computer's 9. The 10 of a hard drive is measured (度量) in gigabytes (千兆字节). A byte is one piece of information stored on the computer. Hard drives can hold a lot of information, such as books, photographs, music and films. The size of the hard drives grows every year.