【单选题】_____ l Adolescents and old people are both often segregated from the rest of society: young people are isolated in schools, and many old people in retirement communities, assisted-living facilities, ...
A.
Adolescents and old people, more than other social groups, strongly value their independence.
B.
Both adolescents and old people have different economic conditions from young and middle-aged adults.
C.
Young and middle-aged adults spend much of their time taking care of home duties such as child-rearing.
D.
Adolescents and old people, as groups in our culture, are very similar in certain ways.
【简答题】The ideal (理想的) teacher may be young or old, tall or short, fat or thin. He should ______ his subject very well and like learning something about other subjects. The ideal teacher must be full of stro...