1.originally 见到要用过去时 og128 2.It is awkard and confusing to striking together relative clasuses: evidence that suggests that the elephant···· og128 3.with cannot be followed by an independent clause with后面不能接一个完整的独立句子 with its trunk originally evolved(注意这里的evolved是evolve的过去时而不是过去分词形式，its trunk originally evolved是一句完整的独立句子） og128 4.having done 永远不可以做后置定语 sth having done错误的
5.while is somewhat ambiguous,since it might indicate simultaneity rather than contrast og 131 while是subordinator之一，前后链接的成分不是同一个逻辑层次的。while引导的句子和主句层次关系上，主句更重要。 对比同级连词and,but,nor等，同级连词前后衔接的部分逻辑重要性上是基本相当的。 语义上while表示转折对比甚至转折意思。但是语气程度上没有whereas那么重
6.用定冠词the的时候也表示是指前文出现过的，一种特指 og131
7.The clearst ,most economical way to describe the law is to follow the word laws with a present participle 修饰法律条文的内容的时候，用ving修饰 og132
8.og上说 M'career is preferable to the career of M 查了下关于 ’s和 of两种表示从属关系 的所有格的区别 1）单数名词和不以-s结尾的复数名词在词尾加’s（以s结尾的只需在s后加’）构成所有格，主要用于有生命的东西 2）凡不能加’s的名词，都可以与of构成短语，来表示所有关系。无生命名词的所有格也可以这么用 所以看出来，有生命的表示所属的时候一般加’s 而无生命的一般就是of+N M是个人，所以才有og上所说的M'career is preferable to the career of M og135
9.apprenticeship as
10.介宾比较 A do sth of C1 by D1 than of C2 by D2.（C1C2，D1D2对等名词）
状语比较A do sth than usual/everbefore/people expected(直接加状语）
Halley's comet cause such a worldwide sensation In no other historical sighting as (it did) in its return of 1910-1911。
In no other election did Obama cause such a sensation as (he did) in his presidential race of 2008.
Soaring television costs accounted for more than half the spending in the presidential campaign of 1992, a greater proportion (in this election) than (the proportion) in any previous election.（新PREP2-197 ）
Although Napoleon's army entered Russia with far more supplies (for this campaign)than (the supplies) for any previous campaign, it had provisions for only twenty-four days.（OG10-198）
11.date to 和date back的区别 注意date to 后面是ago，而date at 后面是old。
1）date…..to可追溯sth到...几年，强调发生的时间点，dated to 追溯到 ....(年前),后面应该是多少年，不是多少岁
The teeth and jawbones found in Tanzania by Dr. Mary Leakey and dating to 3.75 million years agoare the oldest reliably dated human fossils.
Scientists have dated sharp-edged flakes of stone found in the fine-grained sediments of adry riverbed in the Afar region of Ethiopia to between 2.52 and 2.60 million years ago, pushing back by more than 150,000 years the earliest date at which humans are known to have made stone tools.
2）date….at年代判定、鉴别/ 年份有….年之久，强调发生到现在经过的时间有多长
Rock samples taken from the remains of an asteroid about twice the size of the 6-nuke-wide asteroid that eradicated the dinosaurs have been dated at 3.47 billion years oldand thus are evidence of the earliest known asteroid impact on Earth.
Fossils of the arm of a sloth, found in Puerto Rico in 1991, have been dated at 34 million years old, making the sloth the earliest known mammal on the Greater Antilles islands.
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发表于 2012-2-24 10:16:19
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发表于 2012-2-24 11:34:48
