【正确答案】 A

【答案解析】spur：促进；激励。encourage鼓励；促进。Public apathy encourages corruption in government．公众的冷漠助长政府的腐败。endanger：危及；危害。They claim that the herbicide they are using will not endanger human life．他们声称，他们使用的除草剂不会危害人们的生命。endorse：签名；批准。The application was endorsed by the committee．申请书已由委员会批准。enlarge：扩大；放大。The UN secretary-general yesterday recommended an enlarged peacekeeping force．昨天联合国秘书长提议扩大维和部队。