Japanese manufacturers send their top staff to help out and hand any proprietary know-how needed. ( )
A、questions
B、practical ability or skill
C、information
D、trouble
【正确答案】：B
【题目解析】：句意：日本制造商们派遣他们的高级职员去帮助和满足任何需要专门技能的人。know-how在句中的意思是“专门技能”。选项中questions意为“问题”；practical ability or skill意为“实践技能”；information意为“信息”；trouble意为“麻烦”。故本题选B.
