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【判断题】
从关系中找出满足给定条件的的操作称为选择操作。A.
正确
B.
错误
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【单选题】When did the man return to work the last time he was ill?
A.
when he felt better.
B.
When he had to.
C.
When his wife told him to.
【简答题】When people find something valuable and return it to its owner, they are often given a reward. This is because the person not only found what was lost but also spent time 46 its owner or taking it to ...
【单选题】It was announced that only when the terrible disease was under control ________ to return to their homes.
A.
the residents would decide
B.
would the residents decide
C.
would the residents be decided
D.
the residents would be decided
【简答题】People feel like this when they get good news. h______
【单选题】According to the author, when does culture begin to emerge?
A.
When people decide what and how to do by instinct.
B.
When people realize the importance of consensus.
C.
When people as a group decide how to succeed.
D.
When people use 'power tools' to reach agreement.
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