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The chances that a species will (i)______ are reduced if any vital function is r
The chances that a species will (i)______ are reduced if any vital function is r
游客
2024-01-10
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问题
The chances that a species will (i)______ are reduced if any vital function is restricted to a single kind of organ; (ii)______ by itself possesses an enormous survival advantage.
选项
A、degenerate…complexity
B、expire…size
C、disappear…variety
D、flourish…symmetry
E、persist…redundancy
答案
E
解析
空格(i):
- 方程等号:if引导条件状语从句,同义重复。
- 强词和对应:if从句中提到如果任何至关重要的功能被限制在单一的器官中,一个物种空格的机会就会减少,reduced和is restricted to根据if取同。所以空格(i)和vital function对应,体现对物种“重要功能”的机会在减少=degenerate退化(错),expire死亡(错),disappear消失(错),flourish兴旺(对),persist存在(对)。选项D和E合适。
空格(ii):
- 方程等号:分号说明前后句意同义重复。
- 强词和对应:后文中的itself指代空格(ii),enormous和reduced取反,因此根据题意,功能被限制在单一器官中的存活率会降低,因此空格(ii)和single取反,体现功能在“很多”器官有好处(advantage)。complexity复杂性(错),size尺寸(错),variety多样性(对),symmetry对称(错),redundancy多余(对)。综合空格(i),答案选E。
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