下图为非洲某种自然灾害多年平均频率(次/年 )的分布图,读图回答各题 。图中所示的自然灾害最可能是( )
导致图示自然灾害最主要的原因是( )
Because of the financial crisis,I have no ready____ on me. Can I pay you tomorrow?
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.