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【单选题】
信号f(t)=3cos(4t+π/3)的周期是( )。A.
2π
B.
π
C.
π/2
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【简答题】 Counter-offers are _______________ to the original offer. Once a counter-offer is made, the original offer shall be automatically ________________ .
【判断题】Once a counter-offer is made by the offeree, the original offer made by the offeror loses its effectiveness.
A.
正确
B.
错误
【简答题】描述性统计-在Spss modeler可以采用()节点
【判断题】Once a counter-offer is made, the original offer made by the offeror would lose its effectiveness.
A.
正确
B.
错误
【单选题】Once a counter-offer is made, then the original offer ( )。
A.
is still valid
B.
is invalid
C.
is binding to the offeror
D.
is binding to the offeree
【简答题】定义函数rect_perimeter,完成计算长方形周长功能。
【判断题】Once the counter-offer is made, the original offer is no longer valid, and the offeree now becomes the offeror as the counter-offer becomes the new offer.
A.
正确
B.
错误
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