有关我国鼠害的叙述，正确的有( )
A：我国农田鼠类每年吃掉的粮食与我国每年进口的粮食数量大致相当
B：鼠害只会加剧草场退化，草原退化不会使鼠害密度增加
C：近年来，由于技术得当，我国林业鼠害已越来越轻
D：鼠类不会传播疾病、危及人体健康
写出近义词。
倾斜____
按照____的高低，一般把世界上的国家分为发达国家和发展中国家。
— The _____ of July is your birthday. What do you usually do?
— I usually help my mother with some housework because I want her to have a rest _____ that day.
