给出下列程序,且当输入1时,输出值为3;输入0时,输出值为2.则当输入x值为﹣1时,输出值为( )
A:1
B:-1
C:0
D:2
— What does your mother do, Li Jie?
— She is a (an) . She teaches (教书) in a high school.
经过漫长的时间后,人们认识到地球是一个____ 稍扁、____ 略鼓的不规则的球体.