【单选题】A smaller regional cultural community called the ________devised ( 设计 ) a greatly simplified alphabet (字母) with 22 letters around 1300 B.C.E.; this in turn was the ancestor of the Greek and Latin alph...
【单选题】下面哪些原料不是属于能量饲料原料的。( )
【判断题】居住在四季如春的舒适环境有利于健康长寿。
【简答题】Egyptians devised a calendar on the basis of their observations of ( ) and ( ) .
【判断题】居住在四季如春的舒适环境有利于健康长寿。