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这个题目是经典中的经典:

这就是文章的第四段：

Straitford president George Friedman says he sees the online world as a kind of mutually reinforcing tool for both information collection and distribution, a spymaster’s dream. Last week his firm was busy vacuuming up data bits from the far corners of the world and predicting a crisis in Ukraine. “As soon as that report runs, we’ll suddenly get 500 new Internet sign-ups from Ukraine,” says Friedman, a former political science professor. “And we’ll hear back from some of them.” Open-source spying does have its risks, of course, since it can be difficult to tell od information from bad. That’s where Straitford earns its keep.

44.It can be learned from Paragraph 4 that ________.

[A] Straitford’s prediction about Ukraine has proved true

[B] Straitford guarantees the truthfulness of its information

[C] Straitford’s business is characterized by unpredictability

[D] Straitford is able to provide fairly reliable information

昨天句子的解析：

In America /the science of biotic control has its obscure beginnings/ a century a/ with the first attempts to introduce natural enemies of insects/ that were proving troublesome to farmers, /an effort /that sometimes moved slowly or not at all, /but now and again gathered speed and momentum/ under the impetus of an outstanding success.

当句子比较长的时候，就一定是切分后独立成句了，至于各部分叫什么，也真的不重要了。

1.In America /the science of biotic control has its obscure beginnings/ a century a/

在美国，一个世纪前，生物控制学就已经隐约出现了。

2. （1）with the first attempts to introduce natural enemies of insects/

   （2）that were proving troublesome to farmers,

        翻译的时候调整语序为21；

      （ 当时，） 一些昆虫给农民带来了麻烦，（有人）首次试图引入这些昆虫    的天敌，

3.  an effort /that sometimes moved slowly or not at all, /but now and again gathered speed and momentum/ under the impetus of an outstanding success（状语）.

这种情况下：an effort 常常不用翻译；因为后面的that= effort ,翻译一次就够了。

该项工作有时进展缓慢，有时停滞不前，但有时在一项突出的成就的促使下，它又加速发展，突飞猛进。

同学们感觉到切分的乐趣了吧，一切解千愁啊！

参考译文：在美国，一个世纪前，生物控制学就已经隐约出现了。当时，一些昆虫给农民带来了麻烦，有人首次试图引入这些昆虫的天敌。这项工作有时进展缓慢，有时停滞不前，但有时在一项突出成就的促使下，它又加速发展，突飞猛进。

如果感谢这样的解析看的不太懂的同学，可以先从历史消息看起。这个阶段大家应该有一定的自主学习能力的。

我的解析也是对大家的一种鞭策！

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