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大全-19-10


10. Magnetic resonance imaging (MRI)-a noninvasive diagnostic procedure-can be used to identify blockages in the coronary arteries. In contrast to angiograms-the invasive procedure customarily used-MRI's pose no risk to patients. Thus, to guarantee patient safety in the attempt to diagnose arterial blockages, MRI's should replace angiograms in all attempts at diagnosing coronary blockages.
Which of the following, if true, would most support the recommendation above?
(A) Angiograms can be used to diagnose conditions other than blockages in arteries.
(B) MRI's were designed primarily in order to diagnose blockages in the coronary arteries.
(C) Angiograms reveal more information about the nature of a blockage than an MRI can.
(D) An MRI is just as likely as an angiogram to identify an arterial blockage.
(E) Some patients for whom an angiogram presents no risk are unwilling to undergo an MRI.
这一题哪位NN帮我解释一下。为什么选d??我觉得e也可以啊。。
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结论:MRI's should replace angiograms in all attempts at diagnosing

coronary blockages

要加强的话,要么说点MRI的特点支持其diagnosing coronary blockages,对比

起angiograms,angiograms没有这个优势;要么削弱angiograms,其不能更好

diagnosing coronary blockages.要么MRI也含概angiograms在diagnosing

coronary blockages的优势.

而D就是最后一种.看了题目之后,俺就想到这些了,果然选项中D最接近.开头都

有考虑过B,但是再想,B只是说出M的目的,但是没有说出效果,所以排除了....

E是相反的.因为有些patient仍然在接受angiogram时没风险,削弱了M代替

angiogram,所以不能选/

TOP

明白了.谢谢楼主!!!

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