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【单选题】
val num:Array[Int]=Array(1,2,3,4,5); num.map(_ * 2) 返回结果是?A.
List（1,4,9,16,25）
B.
List（2,4,6,8,10）
C.
Array（1,4,9,16,25）
D.
Array（2,4,6,8,10）
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【多选题】下列关于UI叙述正确的是( )
A.
UI涉及到用户体验
B.
UI涉及到界面涉及
C.
UI涉及到用户与界面之间的关系
D.
UI是英文user interface 的简称
【单选题】Why does the author think that Christmas is still a "holy day"?
A.
Because people are much friendlier to each other during Christmas.
B.
Because people have the opportunity to think about spiritual values on this day.
C.
Because people are polite to each other during this time of the year.
D.
Because people can get satisfaction from giving presents to relatives and friends.
【简答题】UI的英文含义是User Intece，中文常翻译成（）
【简答题】An exporter exports a batch of Christmas gifts to an English buyer with CIF London and as the Christmas gifts are seasonal, they contract that the buyer shall open a credit with the seller before the ...
【简答题】Why does Paulson, a professor at Stanford, think that Great Expectations is a good choice for the Christmas season?
【简答题】An exporter exports a batch of Christmas gifts to an English buyer with CIF London and as the Christmas gifts are seasonal, they contract that the buyer shall open a credit with the seller before the ...
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