图为“四幅海峡轮廓图”。读图完成21—23题。图中海峡沿岸气候具有冬湿夏干特点的是 ( )
图中海峡是非洲与其他大洲分界线的是 ( )
图中海峡是联系两大洋的重要航线的是 ( )
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.