甲骨文又称“()”、“()”、“()”等。现出土累积约15万片,单字总数有()多个,目前可识()多个。
参考答案:龟甲文字、卜辞、殷墟书契,4600,1000
1994美国科学家在圣马太岛放养了29只驯鹿,由于无天敌,环境好,10年后达到1000只,20年后达到6000只,又过了三年只剩下42只,这一变化过程反映了自然地理环境
A.生产功能
B.平衡功能
C.调节功能
D.分解功能
The dictionary as well as the books_____ great use. That is _____ I bought it. [ ]
A. are of, because
B. is of, why
C. is of, because
D. are of, why