Opiate drugs occupy the same receptor sites as

You are sitting in your time machine, trying to decide what date and location to set. You want to go back to the earliest time and place that assessment was widely used. You should set the dial to send you back about ________ years to the country of _____

a. 100; the United States b. 110; France c. 200; England d. 4,000; China

Forty percent of all newborns are classified as easy children, ten percent are classified as difficult,

and about 15 percent are classified as slow-to-warm-up. How are the remaining 35 percent classified? a. restrained-unexpressive b. intensely shy or intensely moody c. moderately easy d. as not fitting into a single category