Which of the following countries has the largest share of coal reserves in developing countries

单项选择题According to the Velen model, the middling sort of customers bought luxury goods to______.

单项选择题Which is NOT described as a source of the problems facing the 1970s' Yugoslavia

单项选择题Concerning the answer to who the consumers were, the writer of the passage seems to______.

单项选择题In the first paragraph, the author mentions McKendrick and Plumb most probably in order to ______.

单项选择题Why can't writers for GQ use the same methods as writers for newspapers