来看今天的长难句： ">[#Ops-;$
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. sT? {
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步骤一：找主干 =+iY<~8
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这是一个宾语从句，主干为：They predict that ... 他们预测说...... cC-8.2
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步骤二：拆分句子 l|.}>SfL^u
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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。 1ui)Hv=h*
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. f ./K/
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① They predict ... They 是整个句子的主语，predict 是谓语 4kL6aSqT
② that 直至句末是一个由 that ...引导的宾语从句，在该从句中： s, Gl{
a complete understanding of the human genetic code 是主语 `jeATxWv
would provide 是谓语 s&$?m [w
untold benefits for humanity 是宾语 $9YQ aN%
for example 是插入语 .?u<|4jE6
those abilities to diagnose ... faulty genes 为前文untold benefits for humanity 的同位语 >
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to diagnose, cure, and eventually prevent many diseases caused by faulty genes 动词不定式短语作定语，修饰 abilities n.@HT"
caused by faulty genes 动词的过去分词短语作后置定语，修饰 diseases `W x|
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步骤三：查生词 |" }rd OV)
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1. genetic [dʒəˈnetɪk] adj. 基因的；遗传学的 oL]uY5eZoe
genetic and environmental factors 遗传和环境因素 !
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genetic abnormalities 基因异常 DZqG7p$u4i
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2. untold [ˌʌnˈtəʊld] adj. 不计其数的；难以估量的 d}O\:\}y
An Olympic gold medal can lead to untold riches for an athlete. E+Bc>xl@ m
一枚奥运金牌能给运动员带来无尽的财富。 }F]Z1( '
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3. faulty [ˈfɔːlti] adj. 有缺陷的 k[8F: T-
This machine is guaranteed for a year against faulty workmanship. :|(YlNUv
这种机器如有工艺缺陷可保修一年。 eQi^d/yi
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参考译文： R([zlw~B5
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。
