1。American productivity is declining in relation to Europe's; the energy expended per unit of production in the United States is (as much as twice that expended in West Germany.)
as much as twice that of West Germany's expenditure
up to two times of West Germany's expenditure
up to two times what West Germans expended
up to double the West German expenditure
2。In her recently published study, Rubin asserts that most women do not suffer from the "empty nest syndrome", (they are, in fact, relieved when their children depart.)
they are relieved at the departure of the children, in fact
B答案为什么错误？
3。The science (of economic, which for four decades was) dominated by Keynesians, who at first stressed the government's role in stimulating the economy, but who were ultimately led away from solutions based on government intervention.
economics is one that for four decades has been
economics, for four decades, is one that was
定语从句who用的是过去时，为什么主句要用现在完成时？
for four decade是现在完成时的标志词吗？
2. at the departure of the children比when their children depart啰嗦，用动词表达的最简洁清晰。
3. who 引导的定语从句中动作都是发生在过去，主句用现在完成时是因为动作一直延续至今.
of economic, which for four decades was 造成原句没有谓语动词。
economics, for four decades, is one that was
for four decades修饰的应该是dominate作者: 新鲜 时间: 2003-2-22 16:12
