A:(﹣2,2)
B:(2,﹣2)
C:(2,2)
D:(﹣2,﹣2)
“日北至,日长之至,日影短至,故曰夏至。至者,极也。”在这一天当中,关于重庆地区出现的现象正确的是( )
周期/族
ⅠA
ⅡA
ⅢA
ⅣA
ⅤA
ⅥA
ⅦA
○
2
①
②
③
④
3
⑤
⑥
⑦
⑧
⑨
⑩
⑪
⑫
The biggest problem for most plants, which______just get up and run away when threatened, is that animals like to eat them.