学龄期儿童，复种卡介苗前应做（）
A.PPD试验
B.卡介苗试验
C.链霉素皮试
D.利福平治疗试验
E.青霉素皮试
参考答案：A
As a project manager, you are interested in the personal activities of team-members. Other than working with you on the project, the team members love to go out with you for lunch or an occasional game of golf. The power of the team members is ______ .
A．penalty
B．expert
C．legitimate
D．referent
把握问题的性质和关键信息，摒弃无关因素，并在头脑中形成有关问题的初步印象，即形成问题的表征的过程称为( )
A．发现问题
B．提出问题
C．理解问题
D．分解问题
