An illustration is examined, and some errors are exposed.
An assertion is made, and a procedure is outlined.
A series of examples is presented, and a conclusion is drawn.
A hypothesis is advanced, and supporting evidence is supplied.
分析:作者在文章的第一句话中就提出了自己的观点:Because of its accuracy in outlining the Earths subsurface, the seismic-reflection method remains the most important tool in the search for petroleum reserves.在理解了这句话后,我们排查五个选项,发现C选项是唯一对TS的解释,所以是正确选项。
b)从题目选项入手指的是重点分析5个待选的选项,对于主旨题来说,正确的选项都是对于文章的概括或者是对于背景的交代,所以我们可以大胆地剔除那些包含具体事物描述或叙述的选项。但是需要强调的是,这思路并不能保证我们做对每一道主旨题,而是能够加快我们解题速度的一种方法。因此就不再举例说明了。
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