These McGraw-Hill exercises require that the Macromedia Shockwave 8.5 Player or higher be installed on your system. If the exercises fail to appear, you probably don't have this player installed. To install this player, please go to the Macromedia Shockwave Download site and follow the directions on-screen for proper installation.
Pretest: a short test of randomly selected questions to help students determine their skill level for this chapter.
