og 237. It seems likely that a number of astronomical phenomena, such as the formation of planetary nebulas, may be caused by the interaction where two stars orbit each other at close range. (A) may be caused by the interaction where two stars orbit each other (B) may be caused by the interaction between two stars that each orbit the other (C) are because of the interaction between two stars that orbit each other (D) are caused by the interaction of two stars where each is orbiting the other (E) are caused by the interaction of two stars orbiting each other
... choice C,.... Also, the phrase two stars that orbit each other illogically suggests that ther are two particular stars causing alll the phenomena inquestion, rathr than various sets of stars invarious lacations. 好像这里 that 引导的是限定性定语从句。
那么既然 定语从句 修饰 “物”的时候都用 that 引导， 那么就是说 that 引导的是限定性 的了， 不知道这么理解对不对。
"D 中identical twins with the same genetic endowment 说有相同排列的除外，就是说还有一些idetical twins 没有相同的基因排列，而c 中用who 来进一步说明，是非限定的定于从句。由此可见，限定性定语和非限定性定语的区别就在于整体和局部的关系—现在分词和that定语从句的区别恰恰就是限定和非限定定语的区别；with属于限定定语。"
定语从句有限制性和非限制性两种。 限制性定语从句是先行词不可缺少的部分，去掉它主句意思往往不明确；非限制性定语从句是先行词的附加说明，去掉了也不会影响主句的意思，它与主句之间通常用逗号分开，例如： This is the house which we bought last month. 这是我们上个月买的那幢房子。（限制性） The house, which we bought last month, is very nice. 这幢房子很漂亮，是我们上个月买的。（非限制性）
词典中对with的解释是: having, possessing, or showing a particular ,quality of feeling:
在OG中还有其他几个例子,也是整体和部分的区别:
eg:
152. When the technique known as gene-splicing was invented in the early 1970's, it was feared that scientists might inadvertently create an "Andromeda strain," a microbe never before seen on Earth that might escape from the laboratory and it would kill vast numbers of humans who would have no natural defenses against it. (A) it would kill vast numbers of humans who would have no natural defenses against it (B) it might kill vast numbers of humans with no natural defenses against it (C) kill vast numbers of humans who would have no natural defenses against it (D) kill vast numbers of humans who have no natural defenses against them (E) kill vast numbers of humans with no natural defenses against them 这边的E用with 肯定也是类似部分的问题.
158. With only 5 percent of the world's population, United States citizens consume 28 percent of its nonrenewable resources, drive more than one-third of its automobiles, and use 21 times more water per capita than Europeans do. (A) With (B) As (C) Being (D) Despite having (E) Although accounting for
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发表于 2004-1-14 11:03:00
