A:Can 1 order, please
B:Could I have the bill, please
C:How much is the meal we've had
D:Please count the money, will vim
若不等式-1≤x<a有4个整数解,则a的取值范围是( ).
在牛的瘤胃中,有能分解纤维素的鞭毛虫,其新陈代谢类型属于
--- Spell it , please.
---_______