A.NaOH
B.CO
C.Br2
D.H2SO4
答案:A
连词成句,注意标点符号与大小写。
1. do how go you home
2. tall how is he
3. what's your name mother's
4. where home is his
读地球公转的“二分二至”图,回答下列问题
填写出图中字母所代表的节气名称:A();B();C();D()。