21. There is undoubtedly an element of truth in assertions that capital punishment is necessary , but proponents seem to ignore the fact that the practice has failed to deter heinous crimes .
毫無疑問，主張極刑的必要性有正確的成分，但是，支持者似乎忽略了這種做法不能阻止令人發(fā)指的罪行這一事實。
22. Many people assume that the extinction of a plant or animal species is of little consequence . Careful examination , however , reveals that the extinction of any one species disrupts the food chain , and the loss of a plant species leads to the disappearance of a key ingredient which might yield a cure for cancer .
許多人想當然地認為一種植物或動物的滅絕產(chǎn)生的后果很小。然而，仔細的考察揭示出任何一個物種的滅絕會破壞食物鏈，一種植物的消失造成有可能生成治療癌癥的藥物的關鍵成分的缺失。
23. At first glance , the characteristics of Bugs BUnny seem comical . However , a closer examination reveals the cartoon character never creates a problem , and instead simply hopes for quiet and peaceful life . This suggests that cartoons most often teach children the difference between good and evil .
乍一看，流氓兔的性格似乎滑稽。然而，仔細觀察發(fā)現(xiàn)這個卡通人物從不制造麻煩，相反，它只希望過安靜平和的生活。這說明卡通在大多數(shù)情況下教授給兒童好與壞之間的區(qū)別。
24. Logically , calls for a New World Order sound valid , and I whole-heartedly agree with some points , but the absurdity arises when considering that the world's 200-odd nations have diverse agendas when it comes to development and diplomacy .
從邏輯而言，要求形成新的世界秩序聽似正確，而且我真心實意地同意一些觀點，但是，考慮到世界上二百余個國家在發(fā)展和外交上有不同的議事日程，這種要求就顯得荒謬了。
