Washing machines, TV sets and dryers are ______<br/>goods; we do not consume them quickly. A: clinical B: economical C: durable D: inner

machine<br/>() A: a<br/>device with a system of parts that work together to perform a task.<br/>Cars, computers, hair dryers, and vacuum cleaners are all examples<br/>of __________. B: normal<br/>or usual. C: the<br/>part of the face below the mouth and above the neck; the center of<br/>the lower jaw. D: new<br/>and unusual.

camera<br/>( ) A: a device with a system of parts that work together to perform a task. Cars, computers, hair dryers, and vacuum cleaners are all examples of __________. B: a tool with a very sharp blade that is used for shaving hair from the body or face. C: the part of the face below the mouth and above the neck; the center of the lower jaw. D: a device for taking photographs. A __________ is a closed box with a small hole that allows light to reach the film inside. The light makes images on the film.