The period of adolescence is much longer in industrial societies because ______.A．the defi

Emily Dickinson is the major poet in the period of American Romanticism.（)

The period of adolescence, i.e. , the person between childhood and adulthood, may be long

College is the most important period for the growth of young adults. It is time for colleg

College is one of the most crucial periods in the growth and development of an individual,

The American dream is most plausible（似乎可信的)during the periods of productivity and wea

The period of adolescence may be long or short, depending on social______and on society de