Entrez数据库中的剪贴板的容量是（）。
A.500条记录
B.1000条记录
C.5000条记录
D.10000条记录
参考答案：A
Listen to Li Yang, founder of Crazy English. He speaks English _____ he were American.[ ]
A. if
B. because
C. even if
D. as if
汉乐府民歌的思想内容和艺术特征
