Simon cringes every time he hears a dentist's drill, even when he is sitting in the waiting room of his dentist's office. In this example, cringing in the waiting room is

Watson, the computer, won his game of Jeopardy! against two very skilled opponents. However, he would not do very well at

a. checkers. b. chess. c. poker. d. trivia games.

Heroin users often report

a. the high as a euphoric rush. c. increased sex drive. b. increased hunger. d. all of these