3.14-0.6×3.4+0.97=( )
A: 1.36
B:2.07
C:27.8
D:10.05
泥石流的成因:
如图1所示为用电火花打点计时器验证机械能守恒定律的实验装置.
We needed a new cupboard for the kitchen. So Peter made ______ from some wood.