A:-2℃,400mm
B:8 ℃,600mm
C:0℃,800mm
D:4 ℃,1200mm
When did you arrive school this morning?
(Ⅰ)写出命题Q;
(Ⅱ)判断命题Q的真假,并证明你的结论.
①陈胜 ②吴广 ③项羽 ④刘邦
下列关于我国的四大地区的叙述不正确的是( )