Probably at no time in his life is the average individual more likely to be concerned abou

t the problem of moral values and standards【C1】______ during his adolescence. The young child lives according to a set of rules already established by his parents faces【C2】______ demands for making moral choices. However, the adolescent faces a【C3】______ world with increasing speed and variety, and this fact in【C4】______ requires a reappraisal of his value system.【C5】______ complicated matters is that he himself is【C6】______ changing physiologically, socially and【C7】______ . In his increased sophistication, he can no longer adopt【C8】______ questioning the social benefits moral values of his parents. He finds【C9】______ there are many ways to live his life and that he must【C10】______ his independent choices. He is confronted with a 【C11】______ range of conflicting pressures in the adoption of personal values. 【C12】______ often the peer group urges one set of values and the parents【C13】______ and in most eases he may be motivated to【C14】______ to the values of his peers to gain acceptance and to【C15】______ rejection. Then other influences enter the moral choices — that of teachers, the religion, the mass【C16】______ . Finally, the adolescent may change one or【C17】______ of his moral standards as a result of【C18】______ experience, sometimes exerting an ever-lasting psychological pain and【C19】______ involving interpersonal relation which leads him to【C20】______ the consistence of his value system.

【C1】

A．like

B．as

C．than

D．but