Contrary to those who fear the impact of invasive species on native plants, the biologists contend that the threat posed to biodiversity by non-native species is often (i)_____. For instance, a study of garlic mustard, a non-native plant now thriving in Minnesota’s oak forests, found that garlic mustard abundance in forest plots was not (ii)_____ the number of other plant species there.

(96-2) While the current coffee craze was sparked by the emergence of flavorful, high-quality gourmet varieties, a slew of studies suggesting that concerns about coffee’s health effects may be _____ has nurtured the trend.
A. underemphasized
A. exacerbated
B. unfounded
D. documented
E. recapitulated

为什么会觉得这两道题是一样的呢？是因为如果仔细观察题干，会发现这两道题，都是在考察取反关系和解释说明逻辑，只不过是逻辑词不一样而已。

第一题用到了contrary to & for instance, 而第二题是while & suggesting that的搭配。实际上考察的逻辑关系是一样的，语义内容作改写而已。所以这里再一次强调了逻辑分析的重要性，需要我们掌握提示词的逻辑功能，习惯拿他们来解题。透过表象，看到实际考察的逻辑关系在哪里，从容解题。