a: Look，we’ve got a new computer. b，c: Wow! c:What’s this? a:This is the monitor. c:Monitor?It looks like a TV set. b:What’s this? a:This is the hard drive. c: It looks like a box. b:Then what’s this? a:This is the keyboard，We can type letters with it. This is the printer. c:It’s wonderful! a:And this is the mouse. b:A mouse? that’s funny. a:Yes.look，it’s got a tail. c:Oh.Is this the mouse?But it doesn’t looks like Jesse.