焦油加工的主要任务是获得酚、萘、蒽等纯产品和（）等粗产品。
参考答案：洗油沥青
秘书人员在参谋过程中要做到()。
A.既谋且断
B.只谋不断
C.只断不谋
D.不谋不断
Many died or returned home, but most remained in California to _______ for themselves in the new town.
A．making a life
B．make a live
C．make alive
D．make a life
