1 . 如果我们只能够用一套有限的标准来衡量美，人类不久将灭绝。（汉译英）

2 . We need to take steps to save endangered speides. We need to change how we work and travel by using cleaner, more natural sources enery. We also need to improve our farming methods to reduce water, air and land pollution. ________（简而言之，如果想要生存，就需要停止破坏我们生活的星球并开始保护它）.(根据汉语提示完成句子）