【C6】
A. reserves
B. maintains
C. convinces
D. persuades
【C7】
A. reflect
B. attain
C. expose
D. refer
A．General responsibilities concerning the environment.B．Responsibilities concerning hu
A. General responsibilities concerning the environment.
B. Responsibilities concerning human relationships.
C. Social responsibility.
D. Family responsibility.
A．Persons who have salaries agreed to in long-term contracts.B．Persons who own busines
A. Persons who have salaries agreed to in long-term contracts.
B. Persons who own businesses.
C. Persons with pensions.
D. Persons with slow-rising incomes.
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