(1)(一35)2=(-35)×(-35)=925. (2)(35)4=3454=81625.
In such dry weather, the flowers will have to be watered if they _____. [ ]
A. have survived
B. are to survive
C. would survive
D. will survive
根据皮亚杰的理论,儿童获得物体守恒概念是在()。
A.感知运动阶段
B.前运算阶段
C.具体运算阶段
D.形式运算阶段