OG12 19篇 文章结构

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Frazier and Mosteller assert that medical
research could be improved by a move toward
larger, simpler clinical trials of medical treatments.
Currently, researchers collect far more background
(5)information on patients than is strictly required for
their trials—substantially more than hospitals
collect—thereby escalating costs of data
collection, storage, and analysis. Although limiting
information collection could increase the risk that
(10)researchers will overlook facts relevant to a study,
Frazier and Mosteller contend that such risk, never
entirely eliminable from research, would still be
small in most studies. Only in research on entirely
new treatments are new and unexpected variables
(15)likely to arise.
Frazier and Mosteller propose not only that
researchers limit data collection on individual
patients but also that researchers enroll more
patients in clinical trials, thereby obtaining a more
(20)representative sample of the total population with
the disease under study. Often researchers restrict
study participation to patients who have no
ailments besides those being studied. A treatment
judged successful under these ideal conditions can
(25)then be evaluated under normal conditions.

Broadening the range of trial participants, Frazier
and Mosteller suggest, would enable researchers to
evaluate a treatment’s efficacy for diverse patients
under various conditions and to evaluate its
(30)effectiveness for different patient subgroups. For
example, the value of a treatment for a progressive
disease may vary according to a patient’s stage of
disease. Patients’ ages may also affect a
treatment’s efficacy.
文章感觉没读懂 关系很乱 说下我自己的理解 请路过的NN们帮忙看看对不对!
作者提出用a move toward larger, simpler clinical trials of medical treatments.可以提高医学研究
通常现在的做法是：增加对病人病情背景的信息收集
F和M给出两个方法：1.去限制（减少）对单个病人的研究量
                                2.扩大更多总体研究量。
说明了 F和M提出的方法要比通常现在的方法更好 因为扩大了总体量可以提高估计在病人拥有多种病的情况下 不同阶段下 治疗法的疗效.

想请教下我这理解 对于通常现在的做法 增加对病人病情背景的信息收集  这里的病情是指只限制于对单个人的病情收集么？就是第一段划线的那句

According to the passage,which of the following describes a result of the way in which researchers generally conduct clinical trials?
(A) They expend resources on the storage of information likely to be irrelevant to the study they are conducting.这
这是最后一题的题干 A是答案 题干中的...generally conduct clinical trials 指的是 通常现在的方法么？
答案是指 单个病人病情收集信息过多 有些浪费了 因为是理想状态下的只有一种特定的病 实际情况中用不着么？
好心银帮忙 谢谢！！！