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151. There is undoubtedly an element of truth in assertions thatcapital punishment is necessary, but proponents seem to ignore the fact thatthe practice has failed to deter heinous crimes. 毫无疑问，主张极刑的必要性有正确的成分，但是，支持者似乎忽略了这种做法不能阻止令人发指的罪行这一事实。 152. Many people assume that the extinction of a plant or animalspecies is of little consequence. Careful examination, however, reveals thatthe extinction of any one species disrupts the food chain, and the loss of aplant species leads to the disappearance of a key ingredient which might yielda cure for cancer. 许多人想当然地认为一种植物或动物的灭绝产生的后果很小。然而，仔细的考察揭示出任何一个物种的灭绝会破坏食物链，一种植物的消失造成有可能生成治疗癌症的药物的关键成分的缺失。 153. At first glance , the characteristics of Bugs Bunny seemcomical . However, a closer examination reveals the cartoon character nevercreates a problem, and instead simply hopes for quiet and peaceful life. Thissuggests that cartoons most often teach children the difference between goodand evil. 乍一看，流氓兔的性格似乎滑稽。然而，仔细观察发现这个卡通人物从不制造麻烦，相反，它只希望过安静平和的生活。这说明卡通在大多数情况下教授给儿童好与坏之间的区别。 | 
