Strict sanitary procedures formulated by our municipal government help to ______ out-breaks of diseases.

A．plea
B．petition
C．patent
D．claim

A．support Alcoholics Anonymous as a means of coping with alcoholism
B．present a learning paradigm that will help alcoholics to understand what causes their dependence upon alcohol
C．explain the application of a psychological approach to alcoholism
D．help researchers Io formulate workable hypotheses about the treatment of alcoholism