下图是某地区水平气压(单位:百帕)分布图,读后回答下列小题。若M地的风向为东南风,则该天气系统为( )
当该天气系统出现在南亚地区时,下列叙述正确的是( )
She packed______ her job, and went off to Qingdao for the Navy celebration.
You waste much time______pig flu.on the internet..
---- Is there a vaccine _____ pig influenza?, I’m anxious to know. ----- Don’t worry, there is a vaccine _____ for pigs against pig influenza
Has she had a cold like pig flu. _____? for she is absent.
The teacher criticize me, so I must finish my essay about agriculture,farmer and rural areas today______.