1．B'事实细节题。根据文章第二段可知正确答案为B项。

　　2．C'事实细节题。根据文章第三段最后一句可知正确答案为C项。

　　3．D　推理判断题。根据文章最后一段可知本题正确答案为D项。

　　4．D　主旨大意题。本文主要告诉我们英国颁布法律，回埋所发掘出的遗迹，考古学家对此感到不满。故正确答案为D项。

　　B

　　(2010·湖北高考)Have you winterized your horse yet? Even though global warming may have made our climate more mild，many animals are still hibernating(冬眠)．It's too bad that humans can't hibernate.In fact，as a species, we almost did.

　　Apparently，at times in the past, peasants in France liked a semi­state of human hibernation.So writes Graham Robb, a British scholar who has studied the sleeping habits of the French peasants.As soon as the weather turned cold, people all over France shut themselves away and practiced the forgotten art of doing nothing at all for months on end.

　　In line with this，Jeff Warren，a producer at CBC Radio's The Current，tells us that the way we sleep has changed fundamentally since the invention of artificial (人造的 )lighting and the electric bulb.

　　When historians began studying texts of the Middle Ages, they noticed something referred to as “first sleep”， which was not clarified, though.Now scientists are telling us our ancestors most likely slept in separate periods.The business of eight hours' uninterrupted sleep is a modern invention.

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