【单选题】Software products may be (1)into four basic types: application programs, programming language processors, operating systems, and system utilities. Application programs are programs that (2) useful tas...
【单选题】On Being a Matchmaker The first thing I do when I wake up is to make a mental list of all things I have to do that day. I'm very organized! Then I get up and have my bath. Often my best matchmaking(媒人...