读太阳光照示意图(图1)和地球公转示意图(图2),完成下列要求.
Amy and Bob are in the s____class. They are b____in Class 1.
②C(s)+O2(g)═CO2(g);△H=﹣393.51kJ•mol﹣1
则反应C(s)+CO2(g)═2CO(g)的△H为( )
My grandma's birthday is on October sixth. (对画线部分提问)
____ ____your grandma's birthday?