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【多选题】
下列项目中关于SQL说法正确的是（）A.
SQL语言是关系数据库的国际标准语言
B.
SQL语言具有数据定义、查询、操纵和控制功能
C.
SQL语言可以自动实现关系数据库的规范化
D.
SQL语言也被称为结构化查询语言
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【单选题】题干:根据追越条款,下列说法何者正确?
A.
如后船对本船是否在追越前船有任何怀疑，不论是否存在碰撞危险，均应假定在追越
B.
如后船对本船是否在追越前船有任何怀疑，则根据是否存在碰撞危险，来决定是否在追越
C.
追越形成后，如果不存在碰撞危险，其后两船间的方位变化可能使追越船变为直航船
D.
追越形成后，如果不存在碰撞危险，而其后被追越船转向造成碰撞危险，则视两船间的方位关系可能使追越船变为直航船
【简答题】A) amusingly F) fundamental K) numerousB) as it were G) ignore L) on trackC) crucial H) leads M) rationallyD) dedication ...
【单选题】If you are already making the time to exercise, it is good indeed! With such busy lives, it can be hard to try and find the time to work out. ___ 1 ___ Working out in the morning provides additional b...
A.
You will stick to your diet.
B.
Your quality of sleep improves.
C.
You prefer healthy food to fast food.
D.
There is no reason you should exercise in the morning.
E.
You can keep your head clear for 4-10 hours after exercise.
F.
After you exercise, you continue to burn calories throughout the day.
G.
If you are planning to do exercise regularly, or you’re doing it now, then listen up!
【简答题】在程序,获取字符串长度的方法是【】
【多选题】下列说法正确的有()．
A.
富士山被日本人民视为圣山，为日本象征．
B.
悉尼歌剧院为悉尼和澳大利亚的标志．
C.
威斯敏特宫大本钟为伦敦和英国标志．
D.
埃菲尔铁塔为巴黎和法国的象征．
E.
鱼尾狮塑像为新加坡的象征．
F.
克里姆林宫斯巴斯基钟塔是莫斯科和俄罗斯的标志性建筑．
【单选题】Your productivity is improved. Exercising makes you more awake and ready to handle whatever is ahead of you for the day. ___ 2 ___
A.
You will stick to your diet.
B.
Your quality of sleep improves.
C.
You prefer healthy food to fast food.
D.
There is no reason you should exercise in the morning.
E.
You can keep your head clear for 4-10 hours after exercise.
F.
After you exercise, you continue to burn calories throughout the day.
G.
If you are planning to do exercise regularly, or you’re doing it now, then listen up!
【单选题】Your metabolism( 新陈代谢 ) gets a head start. ___3___ If you work out in the mornings, then you will be getting the calorie( 卡路里 ) burning benefits for the whole day, not in your sleep.
A.
You will stick to your diet.
B.
Your quality of sleep improves.
C.
You prefer healthy food to fast food.
D.
There is no reason you should exercise in the morning.
E.
You can keep your head clear for 4-10 hours after exercise.
F.
After you exercise, you continue to burn calories throughout the day.
G.
If you are planning to do exercise regularly, or you’re doing it now, then listen up!
【简答题】在程序，获取字符串长度的方法是A. length()
【单选题】题干： 根据追越条款，下列说法何者正确?
A.
如后船对本船是否在追越前船有任何怀疑，应假定在追越
B.
如前船对本船是否在被后船追越有任何怀疑，应假定在被追越
C.
追越形成后，其后两船间的方位变化可能使追越船变为直航船
D.
如后船对本船是否在追越前船有任何怀疑，则两船间的方位关系变化可能使追越船变为直航船
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