制定长春市古树名木管理办法的意义是为了加强古树名木的（）。
参考答案：保护和管理
His wife is very _____ about dress and she is strongly _____wearing ______ clothes on formal occasions. [ ]
A. special ; against ; informal
B. particular; opposed to ; casual
C. especial; against ; casual
D. strict ; opposed to ; usual
材料老化易导致其脆性提高、强度降低，使护坡表面易呈现（）。
A.机械破碎
B.平整光滑
C.磨蚀麻面
D.粉末化破碎或层层脱落
