标题: GWD第十四套GWD17-Q32:求助 [打印本页] 作者: 笨蛋加油 时间: 2012-4-4 19:05 标题: GWD第十四套GWD17-Q32:求助 32. Navigators have known for thousands of years that the ocean has variable currents, but it is only in the last half century that a reasonably clear picture has emerged of the patterns and causes of ocean currents. A. a reasonably clear picture has emerged of the patterns and causes of ocean currents B. a reasonably clear picture of the patterns of ocean currents and their causes have emerged C. a reasonably clear picture emerged of ocean currents, their patterns and the causes of them D. there have emerged a reasonably clear picture of the patterns of ocean currents and what caused them E. there had emerged a reasonably clear picture of the patterns of ocean currents and their causes
答案：A 哪位大侠能帮我解答一下A是个什么结构？我看出来貌似是个强调句，has emerged of 和 causes是并列的吗？我怎么看不懂句意啊？作者: 笨蛋加油 时间: 2012-4-4 19:09
明白了。。。 句子还原为：（a reasonably clear picture of the patterns and causes of ocean currents） has emerged 不好意思啦O(∩_∩)O~作者: 17tomato 时间: 2012-7-22 17:45
这…… 这上考场了怎么分辨啊，Lz要是不说我估计死也选不到A……