更多"There are two factors which determi"的相关试题:
[单项选择]There are two factors which determine an individual’s intelligence. The first is the sort of brain he is born (67) . Human brains differ considerably, some being more (68) than others. But no matter how good a brain he has to begin with, an individual will have a low order of intelligence (69) he has opportunities to learn. So the second (70) is what happens to the individual and the sort of environment (71) he is reared. If an individual is hindered environmentally, it is likely that his brain will (72) to develop.
The importance of (73) in determining an individual’s intelligence can be (74) by the case of the identical twins, Peter and Mark. (75) identical, the twins had identical brains (76) birth, and their growth processes were (77) . When the twins were three months old, their parents died, and they were placed in separate (78) homes. Peter was reared by parents of low intellige