今天又背了一篇:
Not all sounds made by animals server as language,and we have only to trun to that extraordinary discovery of echo location in bats to see a case which the voice plays a utilitirian role.......
今天第7篇,第四可还没被。Chickens slaughted in the United States,claims officials in Brussell,are not fit to grace the Europen tables.No,say the American,our fowl are fine.....
昨天把第四课背了,今天背了第九课。Alfred the Great acted as his own spy,visiting the Danish camp diguised as a minstrel.In those days ,wandering minstrel were welcomed everywhere.......