(Question)
Choose between "ice" and "wood". Question: Dan went ice skating. The skates generated very little heat on the ice, but when he tried to slide over the wooden floor they did generate some. This is because the _____ is smoother. (A) ice (B) wooden floor
(Answer)
ice

(Question)
Choose between "desert" and "jungle". Question: A tank rides smooth over desert, but rough in the jungle. The tank encounters less resistance in the (A) desert (B) jungle
(Answer)
desert

(Question)
Choose between "cannon" and "rifle". Question: Shooting a cannon sounds _____ then shooting a rifle if the cannon is nearer then the rifle. (A) louder (B) softer
(Answer)
cannon