9.We cainfer from the last paragraph that the phrase “the rank andfile”means______.
·all the athletes
·people who have high positions iaorganization
·the ordinary members of aorganization
·a line of commosoldiers

单选题
·each member emphasizes their strengths and minimizes their weaknesses
·The manager should find the problems and take corrective actions.
·they do not understand how to make their group into a productive team
·the ordinary members of an organization