【推荐3】 It’s our duty to leave a better, cleaner and healthier planet for our children, so effective _________ (措施) are badly needed to maintain the ecological balance. (根据汉语提示单词拼写)

【推荐3】In Chinese culture, it’s a custom for people to d_________ their houses in red and yellow during happy events and in black and white during sad events. (根据首字母单词拼写)