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There was once a farmer who lost his watch in his barn ( 仓库 ). The watch was only cheap but it was very ________ to him because it was a present from his father. After ________ the barn for a long time ,he gave up and asked for ________ from a group of children playing nearby. He promised them that the person who ________ the watch would be rewarded ( 奖赏 ). Hearing this , the children hurried inside the barn at once . They searched ________ but  still could not find the watch . Just when the farmer was going to give up, a little boy went up to him and asked to be given another ________ . The farmer looked at him and thought , “ Why not ? ________ , this kid does look honest .” So the farmer sent the little boy back to the barn. After a while the little boy came out with the watch in his hand ! The surprised farmer asked the boy how he ________ where the rest had failed. The boy ________ , “ I did nothing but sit quietly and listen for the sound of the watch .” This shows us that sometimes a peaceful mind can think _______ than an excited one . 小题1: A.important B.expensive C.useless D.interesting 小题2: A.finding B.searching C.watching D.studying 小题3: A.money B.danger C.work D.help 小题4: A.saw B.found C.looked D.watched 小题5: A.somewhere B.anywhere C.nowhere D.everywhere 小题6: A.way B.chance C.lesson D.present 小题7: A.In all B.That’s all C.After all D.Above all 小题8: A.came B.knew C.succeeded D.stopped 小题9: A.spoke B.added C.talked D.replied 小题10: A.badly B.better C.worse D.Well
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举一反三
【单选题】主方法可以求解满足 T (n)=aT(n/b) + f (n) 形式的递推方程 , 则下列关于方程中的约束中不准确的是 ?设
A.
对于系数a,必须满足a>=1
B.
对于系数b,必须满足b>1
C.
若对于常数e>0,f(n)=O( y ),则T(n)=Θ( x )
D.
若f(n)=O(x),则T(n)= Θ ( x logn)
【多选题】主方法可以求解满足T(n)=aT(n/b) + f (n) 形式的递推方程, 则下列关于方程正确的是?A 对于系数a,必须满足a>=1B对于系数b,必须满足b>1C若对于常数ε>0,f(n)=O(nlogba-ε),则T(n)=Θ(nlogba)D若f(n)=O(nlogba),则T(n)=Θ(nlogbalogn)
A.
对于系数a,必须满足a>=1
B.
对于系数b,必须满足b>1
C.
若对于常数ε>0, , 则
D.
若 ,则
【单选题】在SQL语言中,命令动词“SELECT”属于( )类功能。
A.
数据操纵
B.
数据控制
C.
数据定义
D.
数据查询
【单选题】在SQL语言中,命令动词“SELECT”属于( )类功能.
A.
数据定义
B.
数据操纵
C.
数据查询
D.
数据控制
【单选题】在SQL语言中,命令动词“SELECT”属于( )类功能。
A.
数据定义
B.
数据查询
C.
数据控制
D.
数据操纵
【单选题】主方法可以求解满足 T (n)=aT(n/b) + f (n) 形式的递推方程 , 则下列关于方程中的约束中不准确的是 ? 设 ε
A.
对于系数a,必须满足a>=1
B.
对于系数b,必须满足b>1
C.
若对于常数ε>0,f(n)=O( y ),则T(n)=Θ( x )
D.
若f(n)=O(x),则T(n)= Θ ( x logn)
【判断题】客流疏导主要内容包括售票组织、监票组织、乘降组织、限流组织、雨雪天气组织等。
A.
正确
B.
错误
【单选题】下列有关苷键酸水解的论述,错误的是
A.
呋喃糖苷比吡喃糖苷易水解
B.
醛糖苷比酮糖苷易水解
C.
去氧糖苷比羟基糖苷易水解
D.
氮苷比硫苷易水解
E.
酚苷比甾苷易水解
【单选题】在SQL语言中,命令动词“SELECT”属于( )类功能。
A.
数据定义
B.
数据查询
C.
数据操纵
D.
数据控制
【单选题】主方法可以求解满足T(n)=aT(n/b) + f (n) 形式的递推方程, 则下列关于方程中的约束中不准确的是?
A.
对于系数a,必须满足a>=1
B.
对于系数b,必须满足b>1
C.
若对于常数ε>0,f(n)=O(n log b a- ε ),则T(n)=Θ(n log b a )
D.
若f(n)=O(n log b a ),则T(n)= Θ(n log b a logn)
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