在关系数据库的基本操作中,从表中取出满足条件元组的操作称为______。
参考答案:选择
解析: 在关系数据库的基本操作中,从表中取出满足条件元组的操作称为选择。
Mrs Johnson said, "I drew the picture last week."
Mrs Johnson said that ________ the picture _________. [ ]
A. she drew; the week before
B. I had drawn; that week
C. she had drawn; the week before
D. I drew; the last week
针灸治疗中风病中脏腑,应取用哪组经脉为主( )
A.足厥阴经、督脉
B.足厥阴经、任脉
C.手厥阴经、任脉
D.手厥阴经、督脉
E.手、足厥阴经