试构造一个解为x<-1的一元一次不等式组______.
x<-1x<0.
答案不唯一
The new computers _____ to a village school as presents last month.[ ]
A. are given
B. gave
C. were given
功能调节器,主要作用部位
A.上颌位置
B.下颌位置
C.上下牙弓
D.口腔前庭
E.硬腭