【单选题】若已知一个栈的进栈序列是 1 , 2 , 3 ...... n ,其输出序列是 p 1 , p 2 , p 3 , p n , 若 p 1 =3 , 则 p 2 为()
【单选题】若已知一个栈的进栈序列是1,2,3,...,n,其输出序列为p1,p2,p3,...,pn,若p1=3,则p2为( )。
【多选题】已知一个栈的进栈序列是a1,a2,a3....an.其输出序列为1,2,3...n,若a3=1则a1为( )
【单选题】Please choose the correct one from the following statements.
A.
The Danxia Mountain is located in the Shaoguan city center.
B.
Danxia is a nomenclature of geology.
C.
25 million years ago, the Danxia mountain was already formed.
D.
The Danxia landform can only be found in China.
【单选题】Qs will be asked after the news, please choose the right answer according to what you heard.
A.
Persuade people to buy proper food.
B.
Buying food once a week.
C.
Keeping pets that eat less.
D.
Giving food away to the poor.
【单选题】Please choose the right translation of the following sentence. His speech leaves nothing to be desired.
【判断题】既然共产主义理想的实现是历史的必然 ,那么就不需要人们去努力去追求和奋斗,只要坐待其成就可以了。
【单选题】用示值为10mm 处的校正值为+0.02mm 的游标卡尺测量工件时,读数如图所示,则工件的实际尺寸为
【单选题】Directions: Please choose the idiom matching its definition. be forward-thinking
B.
ahead of his / her time
【单选题】若已知一个栈的进栈序列是1,2,3,......n,其输出序列为p1,p2,p3,......,pn,若p1=n,则pi为().