Large number of companies move their head offices to Dubai to seek lucrative investment opportunities（）
 

单项选择题ecause RMB is not fully convertible, it cannot be attacked by foreign speculators. （）

A.available
B.exchangeable
C.probable
D.divisible

单项选择题Big corporations usually bring much needed business expertise and management skills to developing countries.（）

A.experience
B.method
C.practice
D.knowledge