图3示意某国部分地区的地形(a)和人口密度（b），完成下列各题。影响L地人口稀少的主要自然因素是
图示地区主要的农业地域类型是
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.
In no time _______ me if he had any further information for pig flu..
These plastic flowers look so _____ that many people think they are real,____they sell badly for the finanical crisis.
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