【单选题】O fficial market-moving announcements of this kind are frequently foreshadowed by unofficial rumours. Buying or selling on the basis of such “inside” information violates the rules of most stock-marke...
【简答题】阅读理解。 Mr. Brown is a very old man. Every morning he goes for a walk in the park. And he comes home at 12:30 for his lunch. But today a police car stops at his house at twelve o’clock. Two policemen he...