选择恰当的应答语( )
A:Because I can plant trees.
B:It's hot and sunny.
1H
+1
2He
0
3Li
4Be
+2
5B
+3
6C
+4﹣4
7N
+5﹣3
8O
﹣2
9F
﹣1
10Ne
11Na
12Mg
13Al
14Si
﹣4
15P
16S
+6﹣2
17Cl
18Ar
请分析信息并回答下列问题:
——Do you think the rain will stop tomorrow?——_______. It has rained for ten days. It's too wet everywhere.
①3SO2 ②Mg2+ ③CO2 ④CuSO4 ⑤O2- ⑥H2O2
请回答下列问题: