Passage 9 Milankovitch proposed in the early twentieth century that the ice ages were caused by variations in the Earth’s orbit around the Sun. For sometime this theory was considered untestable, largely because there was no suffi- (5) ciently preci...
Passage 30 Since the early 1970’s, historians have begun to devote serious attention to the working class in the United States. Yet while we now have studies of working-class communities and culture, we know(5) remarkably little of workless ne .....
1.Canadians now increasingly engage in “out-shopping，” which is shopping across the national border， where prices are lower. Prices are lower outside of Canada in large part because the goods-and-services tax that pays for Canadian social services...
18. The following is an excerpt from a memo written by the head of a governmental department. “Neither stronger ethics regulations nor stronger enforcement mechanisms are necessary to ensure ethical behavior by companies doing business with this dep...
83. In this argument the author reasons that the failure of Company B portends a similar fate for Company A. The grounds for this prediction are similarities that exist between the two companies. The line of reasoning is that since both compani ....
