单项选择题
A．A country’s wealth depends on many factors. B．The US is one of the wealthiest countries in the world. C．The Sahara desert is a poor region. D．Natural recourses are an important factor in the wealth of a country.
A．A person who is an effective leader of a particular group may not be an effective leader in another group. B．Few people succeed in sharing a leadership role with another person. C．A person can best learn how to be an effective leader by studying research on leadership. D．Most people desire to be leaders but can produce little evidence of their qualifications.
A．the elective system B．drilling C．strict discipline D．rote learning