考博英语长难句踏踏实实吃透语法、扩充单词、提升能力

来看今天的长难句：  Z% I  
They predict that a complete understanding of the human genetic code would provide untold benefits for humanity，for example，those abilities to diagnose, cure, and eventually prevent many diseases caused by faulty genes. +C1QY'
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步骤一：找主干 Zy|Mz&  
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这是一个宾语从句，主干为：They predict that ... 他们预测说...... :4^\3~i1X  
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步骤二：拆分句子 k}KC/d9.z  
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为了便于分析，帮助大家理解，把这个句子切分了一下，并标上了序号。 (`? y2n)~W  
①They predict ②that a complete understanding of the human genetic code would provide untold benefits for humanity, for example, those abilities to diagnose, cure, and eventually prevent many diseases caused by faulty genes. ?$e9<lsQq)  
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① They predict ... They 是整个句子的主语，predict 是谓语 WM)-J^)BJ  
② that 直至句末是一个由 that ...引导的宾语从句，在该从句中： k</%YKk  
a complete understanding of the human genetic code 是主语 0rGSH*(  
would provide 是谓语 S(\9T1DVe  
untold benefits for humanity 是宾语 rQ=,y>-*  
for example 是插入语 Z}|(FRVk  
those abilities to diagnose ... faulty genes 为前文untold benefits for humanity 的同位语 0%)i<a!_Z  
to diagnose, cure, and eventually prevent many diseases caused by faulty genes 动词不定式短语作定语，修饰 abilities z<.?x%4O  
caused by faulty genes 动词的过去分词短语作后置定语，修饰 diseases O5H9Y}i]  
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步骤三：查生词 "zIFxDR#  
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1. genetic [dʒəˈnetɪk]   adj. 基因的；遗传学的 8EVgoJ.  
genetic and environmental factors 遗传和环境因素 zD3mX<sw  
genetic abnormalities 基因异常 *Z_C4Tj  
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2. untold  [ˌʌnˈtəʊld]  adj.  不计其数的；难以估量的 !~Q2|r  
An Olympic gold medal can lead to untold riches for an athlete. Cuc$3l(%  
一枚奥运金牌能给运动员带来无尽的财富。 kD[ r.Dma  
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3. faulty [ˈfɔːlti]  adj. 有缺陷的 GWvH[0  
This machine is guaranteed for a year against faulty workmanship. LHJ":^  
这种机器如有工艺缺陷可保修一年。 f<A5?eKw  
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参考译文： 0j C3fT!n  
他们预计，对人体基因编码的全面认识将给人类带来无法估量的好处，例如，使人类能够诊断、治疗并最终预防由基因缺陷造成的很多疾病。

好办法，不在多而在精