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【单选题】
在创建t_score成绩数据表时,表中的score成绩列的值要求大于等于0小于等于100。下列语句正确的是A.
constraint ck_t_score_score check(0<=score<=100)
B.
constraint ck_t_score_score check(score>=0) and (score<=100)
C.
constraint ck_t_score_score check(score>=0 and score<=100)
D.
constraint ck_t_score_score check(score>=0 or score<=100)
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举一反三
【单选题】The author regards the idea that differentiation is triggered randomly when paired claws remain intact as ______.
A.
irrefutable considering the authoritative nature of Emma's observations
B.
likely in view of present evidence
C.
contradictory to conventional thinking on lobster-claw differentiation
D.
purely speculative bemuse it is based on scattered research and experimentation
【单选题】What triggered the rebellion?
A.
the introduction of a poll tax
B.
The Hundred Years’ War
C.
The famine
【单选题】I can't remember exactly what triggered the explosion but it was pretty______.
A.
estimating
B.
devastating
C.
reprocessing
D.
preferring
【简答题】循证问题(evidence triggered)
【单选题】企业战略具有什么特征?
A.
长远性、全局性、指导性、竞争合作性、适应性
B.
长远性、全局性、指导性、适应性
C.
长远性、全局性、指导性、竞争合作性
D.
长远性、指导性、竞争合作性、适应性
【简答题】What triggered/is the fuse of American Revolutionary War?
【单选题】The author regards the idea that differentiation is triggered randomly when paired claws remain intact as ______ .
A.
irrefutable considering the authoritative nature of Emma's observations
B.
likely in view of present evidence
C.
contradictory to conventional thinking on lobster-claw differentiation
D.
purely speculative because it is based on scattered research and experimentation
【简答题】What triggered the revolution of America?
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