(1)成品泥 (2)研磨成粉末 (3)风化 (4)陈腐 (5)开采( )
A.1-2-5-4-3
B.5-4-3-2-1
C.3-4-2-5-1
D.5-3-2-4-1
参考答案:D
.Mr. Richard hasn’t got any time to play golf these days,because he is ______in the research of bird language.
A.devoted
B.concentrated
C.buried
D.spared