读我国某区域风能资源等值线分布图(单位:瓦/平方米),完成下列小题。根据等值线递变的一般规律,乙地数值最有可能是( )
甲地风能资源少的主要影响因素是( )
_____ three influenza type A virus subtypes(子类型) have been found in pigs.
_____, experts point out that students can easily fail at starting their business because of a lack of preparations.
It has always been the _____ of our goverment to encourage graduates to start their business.
The most important _____ of his speech at the G20 summit was that we should all unite to fight against the finanical.
He directed exposure to pigs,otherwise he_______pig flu.