. . . .Unit11. 他对他的研究如此专心致志，从来没有过很快就要退休的念头。He is so devoted to his research that it never occurs to him that he will soon have to retire.2. 很多人都曾说过，如果没有有效的制约，我们都有滥用权力的倾向。Many people have observed that, without effective checks, we all have a tendency to abuse our power.3. 有些国家拒绝卷入这一争端，而且他们对外国的干涉非常反感。Some countries refuse to get involved in this dispute and they resent any foreign interference.4. 控制沙城暴需要大量的工作和资
