问题
选择题
o make members of a team perform better, the trainer first of all has to know their ______________ and weaknesses.
A．benefits
B．strengths
C．techniques
D．values
答案
答案：B
词义辨析。A.福利；利益 B.优势；强项 C. 技术；方法 D.价值观念。句意：……培训者首先要知道他们的优势和劣势。故选B。