【单选题】19( )is an earth station in the fixed-satellite service or, in some cases, in the maritime mobile-satellite service, located at the specified fixed point on land to provide a feeder link for the mari...
【简答题】听下面的材料,回答第1-2题。 1. Where does the woman work? A. At a university. B. At a TV station. C. At a newspaper. 2. Why is the man applying for this position? A. He needs a well-paid position. B. He has recen...