来源于间叶组织的恶性肿瘤是
A.癌B.肉瘤C.母细胞瘤D.精原细胞瘤E.霍奇金淋巴瘤
参考答案:B
In my opinion,what he told us just now about the affair simply doesn’t make any________.[ ]
A.meaning
B.idea
C.sense
D.point
从技术角度讲,数据备份的策略不包括()
A.完全备份
B.差别备份
C.增量备份
D.差分备份