读“我国东南沿海某地等高线示意图”,回答下列问题。 据图判断A、B、C、E四地的地形依次为( ) A.山脊、山峰、鞍部、陡崖 B.鞍部、陡崖、山峰、山脊 C.山峰、山脊、鞍部、陡崖 D.山峰、鞍部、山脊、陡崖 为发展农业多种经营,适合在该地种植的经济作物有( )
The dead rate is _____ pigs and recovery usually ______ within 7-10 days. A low in; occursB.rich in;happens C.high in; came aboutD.poor in;took place
_____ 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.