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【单选题】
(2分) 中国梦的本质是国家富强、( )、人民幸福
A.
民族崛起
B.
民族团结
C.
民族振兴
D.
民族复兴
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举一反三
【单选题】In what units are heights and soundings in the chart? They are in ______.
A.
meters and fathoms
B.
fathoms and meters
C.
meter and fathom
D.
fathom and meter
【单选题】Fath er is afraid _______ I'm not the best , I won't be guaranteed acceptance to a key university .
A.
if
B.
that
C.
that if
D.
where
【单选题】George Mason must rank with John Adams and James Madison as one of the three Founding Fathers who left their personal imprint on the fundamental law of the United States. He was the principal author o...
A.
Mason was its principal author
B.
it was later adopted as the Federal Bill of Rights
C.
through wide circulation it influenced the writing of other state constitutions during the Revolution
D.
through other state constitutions it eventually influenced the writing of the Federal Bill of Rights
【单选题】搜索引擎会通过日志文件把用户每次检索使用的所有查询串都记录下来,每个查询串的长度不超过255字节。假设目前有一千万个查询记录(重复度比较高,其实互异的查询串不超过三百万个;显然,一个查询串的重复度越高,说明查询它的用户越多,也就是越热门)。现要统计最热门的1 0个查询串,且要求使用的内存不能超过1GB。以下各方法中,可行且效率最高的方法是( )。
A.
将一千万个查询串存入数组并进行快速排序,再统计其中每个查询串重复的次数
B.
将一千万个查询串存入数组并进行堆排序,再统计其中每个查询串重复的次数
C.
利用哈希表保存所有的查询串并记下每个查询串的重复次数,再利用小根堆选出重复次数最多的1 0个查询串
D.
利用哈希表保存所有的查询串并记下每个查询串的重复次数,再利用大根堆选出重复次数最多的1 0个查询串
【判断题】正步向后摆臂时手腕前沿距裤缝线约 20cm 。
A.
正确
B.
错误
【多选题】当听到 “正步走”的口令后,左脚向正前方踢出约 75厘米(腿要绷直,脚尖下压,脚掌与地面平行,离地面约二 十五厘米),适当用力使全脚掌着地,同时身体重心前移,右 脚照此法动作;上体正直,微向前倾;手指轻轻握拢,拇指伸 直贴于食指第二节;向前摆臂时,肘部弯曲,小臂略成水平, 手心向内稍向下,手腕下沿摆到高于最下方衣扣约()厘米处( 着夏常服时,高于内腰带扣中央约15厘米,着作训服时,高 于外腰带扣中...
A.
二十
B.
C.
10
D.
30
E.
116
【简答题】A different sort of generation gap is developing in the workplace. Someone --- specifically the father-daughter team of Larry and Meagan Johnson --- has figured out that on some American job sites, fi...
【简答题】4 寻找热门查询: 搜索引擎会通过日志文件把用户每次检索使用的所有检索串都记录下来,每个查询串的长度为1-255字节。假设目前有一千万个记录,这些查询串的重复度比较高,虽然总数是1千万,但如果除去重复后,不超过3百万个。一个查询串的重复度越高,说明查询它的用户越多,也就是越热门。请你统计最热门的10个查询串,要求使用的内存不能超过1G。 (1)请描述你解决这个问题的思路; (2)请给出主要的处理流...
【单选题】The gender of the baby is decided by ______.
A.
the father's DNA
B.
the mother's DNA
C.
the father's sperm
D.
the mother's egg
【单选题】What does the author intend to illustrate with the example of the gang member and his father?
A.
How the antiloitering law works.
B.
How to maintain charming image.
C.
How tough the crime polices were.
D.
Why Chicago's sweeping statute stroke down?
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