2. 外语
  3. The fact that a theory is (i)______ does not necessarily (ii)______ its scientific truth, which must be established by unbiased

The fact that a theory is (i)______ does not necessarily (ii)______ its scientific truth, which must be established by unbiased

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问题 The fact that a theory is (i)______ does not necessarily (ii)______ its scientific truth, which must be established by unbiased controlled studies.
选项 A、plausible...ensure
B、popular…limit
C、venerable…override
D、cohesive…undermine
E、cumbersome…alleviate
答案A
解析 空格(i)+空格(ii)：
- 根据题意，一个具有空格(i)特征的理论未必空格(ii)它的科学真理性。not necessarily表示未必：if you say that something is not necessarily the case，you mean that it may not be the case or is not always the case。体现对某种特征的否定，例如“好的未必就好”， “做坏事的未必就是坏人”。
- 因此空格(i)和空格(ii)联动，方向相同。 两种可能性：①对的理论未必支持科学真理；②错的理论未必反对科学真理。
- 逗号后面说科学真理必须由客观公正的对照研究确立，所以前面讨论的是确立科学真理的过程，符合情况①，空格(i)选对真理的正评价，空格(ii)选“确立”，plausible可信的…ensure确立，popular流行的…limit限制，venerable受尊敬的…override推翻，cohesive团结的…undermine削弱，cumbersome笨重的…alleviate减轻，综上答案选A。
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