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【多选题】
关于算法的时间复杂度,下面说法正确的是:
A.
由嵌套最深层语句的频度决定
B.
不仅和问题的规模大小有关,还与问题数据的初始状态有关
C.
一个时间复杂度为O(1)的算法,它的基本运算执行的次数是固定的,与问题规模无关
D.
实践中可以将事前估算和事后统计两种办法结合使用来分析算法的时间复杂度
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举一反三
【单选题】张从正的汗法,除药物发汗外,尚包括()
A.
导引
B.
下乳
C.
嚏气
D.
磨积
【单选题】Successful online students think that online learning is _____.
A.
easier than learning in regular classrooms
B.
a fun way to study
C.
less convenient
D.
a convenient way to receive education
【多选题】车载功率变换器多采用滤波电容作为()和()环节。
A.
整流
B.
滤波
C.
储能
D.
变频
【单选题】One possible cause of uncertainty about online learning is that_____.
A.
only a half million people are enrolled in online degree programs today
B.
most people are used to a traditional, campus-based education
C.
an online education is not as effective as traditional instruction
D.
most programs offer rolling admissions
【简答题】《我所敬仰的蔡元培先生》作者是 ,曾任 代理校长。
【简答题】《雨霖铃》作者是()朝代的(),原名(),字(),自称()
【多选题】张从正的汗法包括()
A.
辛散解表
B.
灸、蒸、渫
C.
洗、熨、烙
D.
针刺、砭射
E.
导引、按摩
【单选题】OSI 的体系结构把网络划分成()层
A.
3
B.
5
C.
7
D.
2
【单选题】我国古代诗歌中,常用来指代书信的意象是()。
A.
鸿雁
B.
尺素
C.
西楼
D.
孤云
【单选题】One possible cause of uncertainty about online learning is that______.
A.
only a half million people are enrolled in online degree programs today
B.
most people are used to traditional, campus-based education
C.
an online education is not as effective as traditional instruction
D.
most programs offer rolling admissions
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