A:∠2>∠1>∠3
B:∠1>∠3>∠2
C:∠3>∠2>∠1
D:∠1>∠2>∠3
It's ____ (windy/ rainy) in Beijing.
单细胞生物通过细胞分裂进行( )
____,以手抚膺坐长叹。(李白《蜀道难》)