The couple foiled to meet each other as previously arranged due to________.

单项选择题Chile is disadvantaged in the promotion of its tourism by

单项选择题An example of a product which might well have been advertised during the early stages of the Industrial Revolution is

单项选择题The word debts in very few debts are left unpaid in the first paragraph means______.

单项选择题According to the passage, the main difference between a homogeneous society and a heterogeneous one lies in

单项选择题A．opposition.B．support.C．ambiguity.D．indifference.