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2015考研英语备考：真题中经典句子汇总
is no denying in saying that the another is in one way or another trying to send a message about the important of persisting in achieving what you desire.
The这个冠词不能修饰another，the another 做主语的话应该再写的具体些;important换成名词importance。
tests require a potential candidate with whom to compare DNA.
Candidate后是一个定语从句，with是和compare连着的，就是所有的测试都需要一个潜在的候选者，进而可以和这个人比对DNA。
3. Critics also argue that commercial genetic testing is only as good as the reference collection to which a sample is compared.
第一句话，critics是主语argue是谓语，that后面是宾语从句，然后to which 引导的是修饰collections的定语从句，因为compare的固定用法是compare to/with sth, 在which引导从句时候compare后面的to提到了which前面。评论家也指出商业的基因检测仅仅和类似作为样本的参考搜集一样。
because hard laughter is difficult to __4__, a good laugh is unlikely to have __5___ benefits the way, say, walking or jogging does.
Because引导原因状语从句，后边是主句，不好理解的可能是way后边的成分，the way做方式状语，does代替了have measurable ，所以不可能以衡量散步或慢跑好处的方式来衡量大笑带来的好处。
do not bother trying to kill off old habits; once those ruts of procedure are worn into the brain,they are there to stay.
然而不必庸人自扰地想着改掉一些旧****惯;因为一旦这些根深蒂固的模式进入大脑后，他们就会长久停留。(意思是旧****惯很难改掉)。
you then examined the European national youth teams that feed the world Cup and professional ranks, you would find this strange phenomenon to be even more pronounced。
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