2. 外语
  3. (46)Your AAA computer also supports a second diskette drive that uses 5.25-inch diskettes, or 3.5-inch diskettes, depending upon

(46)Your AAA computer also supports a second diskette drive that uses 5.25-inch diskettes, or 3.5-inch diskettes, depending upon

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问题 (46)Your AAA computer also supports a second diskette drive that uses 5.25-inch diskettes, or 3.5-inch diskettes, depending upon the type of drive installed.
   There are two common types of disk drives: a hard disk drive (sometimes called a fixed disk drive) and a diskette drive (sometime called a floppy disk drive).(47)(Some models might not have a hard disk drive. ) With a hard disk, your computer can store large amounts of information (called files) in one convenient place. Using a hard disk, your computer can save and retrieve information much faster than with a diskette drive.(48).
   Each disk drive has a letter assigned to it, so you can tell your computer where to find information.(49)If you have a hard disk drive, it is called drive C.
    If your computer has a hard disk drive, drive C, then you can store your operating system and other programs on the hard disk.(50)If your programs and information files (data files) are well organized, then your computer can find and retrieve the information much faster. Check your operating system documentation for information about how to set a directory.
   If your computer has no hard disk, then you must use the diskette drive to load your programs and to store your information. Your operating system and application program documentation have information about using disk disk drives and making program diskettes and data diskettes.

     A. For example, if your computer has two diskette drives, one is called drive A, the other is called drive B.
     B. The hard disk drive is built into your computer.
     C. The key to using your hard disk effectively is the way you store your information.
     D. The 5.25-inch diskette is thin and flexible.
     E. The AAA computer comes with a diskette that uses 3.5-inch diskettes.
     F. A diskette drive uses a removable diskette, which has less storage space than a hard disk.
选项
答案B
解析 前文说，有两种类型的驱动器，即硬盘驱动器和软盘驱动器。后文说，使用硬盘，你的计算机可以在一个很方便的位置储存大量信息。因此B句“硬盘驱动器是计算机内设的”，可安放在此处起到承上启下的作用。
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