A．killed almost 30 million people

　　B．started in the 1300s in Bedlam

　　C．continued for over 300 years

　　D．was only found in Europe

　　解析：选C　细节理解题。由第三段中的"It started in the mid­1300s"和"Sixteen sixty­five saw the very last recorded period of the disease"可知，这一疾病持续了三百多年，故选C项。

　　3．We can learn from the text that Bedlam ________.

　　A．served as a cemetery for rich people

　　B．was once taken up by the Romans

　　C．got its name thanks to Jay Carver

　　D．used to be a train station

　　解析：选B　推理判断题。由最后一段中的"The dig site also sits above an even older Roman road"和"a large number of objects from Roman times"可知，Bedlam曾被古罗马人侵占，故选B项。

　　4．What would be the best title for the text?

　　A．The Museum of London

　　B．A Roman road in Bedlam

　　C．History of the Black Death

　　D．Skeleton secrets in London

　　解析：选D　标题归纳题。文章主要介绍了伦敦修建车站时发现的一些遗骸，故用D项作为标题最恰当。

　　B

　　An animal that is of great importance to the southeastern coast of Oman is the abalone, a shellfish that has become the center of the nation's multi­million­dollar industry. Once, abalone shellfish were brought to the surface in the hope that their bodies had beautiful pearls. Today, the shellfish are caught for a different reason - restaurant menus! The fresh white shellfish has a pleasant taste and is the most highly valued product from Omani waters.

　　Abalone live in shallow sea waters. Young abalone live in small groups, holding on to the undersides of rocks, while the adults live in larger groups together in rocky cracks. They can only survive successfully in areas where cold, rich water rises from the sea bed. There, in the shallow, brightly lit conditions, the abalone shellfish live.

The environmental requirements for cool water conditions are seldom met and, as a