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【简答题】
已知函数f(x)= 则该函数的定义域是
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举一反三
【单选题】Evidence of the general consent of the international community to the existence of a rule of international law can be found in:
A.
decisions of the International Court of Justice.
B.
resolutions passed by the UN General Assembly.
C.
the conduct and practices of states in their dealings between themselves.
D.
All of the above.
E.
Both a. and c.
【单选题】Evidence of the general consent of the international community to the existence of a rule of international law can be found in:
A.
decisions of the International Court of Justice.
B.
resolutions passed by the UN General Assembly.
C.
the conduct and practices of states in their dealings between themselves.
D.
All of the above.
【单选题】设U是某关系模式的所有属性的集合,X、Y、Z都是U的子集,且Z=U-X-Y。下面关于多值依赖的叙述中,不正确的是( )。
A.
若X→→Y，则X→→Z
B.
若X→Y，则X→→Y
C.
若X→→Y，且Y' Í Y，则X→→Y'
D.
若Z＝Ф，则X→→Y
【单选题】设U是所有属性的集合，X、Y、Z都是U的子集，且Z=U—X—Y。下面关于多值依赖的叙述中，_______是不正确的。
A.
若X→→Y，则X→→Z
B.
若X→Y，则X→→Y
C.
若X→→Y，且Y’∈Y，则X→→Y’
D.
若Z=Ф， 则X→→Y
【单选题】The General Rule of Multiplication is used to compute:
A.
subjective probabilities.
B.
the probability of two or more mutually exclusive events.
C.
the probability of two or more dependent events.
D.
the probability of two or more independent events.
【简答题】完成3.1传统补间动画案例操作。素材可以下载049使用。
【单选题】The General Rule of Addition is used to compute:
A.
subjective probabilities.
B.
the probability of two or more independent events.
C.
the probability of two or more collectively exhaustive events.
D.
the probability of two events, which are not mutually exclusive.
【单选题】设U是所有属性的集合，X、Y、z都是U的子集，且=U-X-Y。下列关于多值依赖的叙述中，哪一条是不正确的?
A.
若X→→Y则X→→Z
B.
若X→Y，则X→→Y
C.
若X→→Y，且Y' Y，则X→→Y'
D.
若Z=Ф，则X→→Y
【单选题】The General Rule of Addition is used to compute:
A.
the probability of two or more independent events.
B.
the probability of two or more collectively exhaustive events.
C.
the probability of two events, which are not mutually exclusive.
D.
subjective probabilities.
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