19.To make members of a team perform better,the trainer first of all has to know their _____ and weakness.
A. strengths B. benefits C. techniques D. values
20.The head office of the bank is in Beijing,but it has ____ all over the country.
A.companies B. branches C. organizations D. businesses
19.答案是A,strength表示优势，优点时是可数名词，其余三项与weakness(弱点)搭配不当。
20.答案是B,company 公司;organization 组织；business 商业，买卖；branch 分支，分部，分店等，故选B。
