A:生物与非生物没有区别
B:生物界与非生物界具有统一性
C:生物来源于非生物
D:生物界与非生物界具有差异性
下图为秦《泰山刻石》(局部),它是秦始皇二十八年(公元前219年)所刻,相传为秦丞相李斯手书。此碑可以佐证秦始皇( )
下列句子的句式不同于其他三项的是 ( )
2.6+3.7=____
2-1.42=____
3.2×4=____
1.2×0.8=____
4.8÷1.2=____
0.36÷0.9=____
0.72÷12=____
5÷4=____
4.6+5.8-1.6=____
1.3+1.4+1.7=____
The price system is a complex network composed of the prices of all the products bought and sold in the economy as well as of a great number of services.