判断题所谓亲亲，是说血缘关系越亲服越重，规定限制越多越严厉，血缘关系越远服越轻直 至无服，细则要求也越宽松。 正确 错误
单项选择题Further steps are needed in the COP21 agreement to lock in the 2°C vision more strongly so that it anchors future expectations. A、secures B、achieves C、locks in
