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【单选题】
下面描述错误的是?A.
2004年,Nutch项目模仿GFS开发了自己的分布式文件系统HDFS
B.
2004年,谷歌公司又发表了另一篇具有深远影响的论文,阐述了MapReduce分布式编程思想
C.
2008年1月,Hadoop正式成为Apache顶级项目
D.
Hadoop源自始于2002年的Apache Nutch项目——一个开源的网络搜索引擎
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【单选题】P55.执行下列程序序段后,输出结果是 n=0 For i=1 To 3 For j=5 To 1 Step-1 n=n+1 Nextj,i Debug.Print n;j;i
A.
12 0 4
B.
15 0 4
C.
12 3 1
D.
15 3 1
【单选题】Our neighbor's car alarm is always _____ in the middle of the night. [ ]
A.
going off
B.
going out
C.
going away
D.
going down
【单选题】Our public debates often fly off into the wild blue yonder of fantasy. So it's been with the Federal Communications Commission's new media-ownership rules. We're told that, unless the FCC's decision i...
A.
he is in favor of it.
B.
his view is balanced.
C.
he is slightly critical of it.
D.
he is strongly critical of it.
【单选题】We were cut off from the outside world by the sudden flood; what’s worse, our food ______.
A.
was run out
B.
was running out
C.
has run out of
D.
has been run out
【单选题】关于飞机的实用重心,下列说法哪些是正确的?
A.
飞行中先使用中央油箱燃油的目的是为了将飞机重心保持在飞机实用重心范围内。
B.
为了飞机的飞行安全，在任何时候装载飞机的重心都必须保持在实用重心范围之内。
C.
为了飞机的飞行安全，在飞行过程中飞机重心的位置都不能发生变化。
D.
在飞机起飞爬升过程中飞机重心的位置与巡航时不同，主要是因为飞机的姿态发生了变化。
【简答题】著名数学家华罗庚上初中时，接受理解数学知识比较慢，以致数学考试常常不及格。老师认为他已经无可救药，一次在班上公然宣称，假如你们当中将来会有一个同学没出息，那么这个人必定是华罗庚。结果华罗庚通过自己的勤奋自学，刻苦钻研，奋力拼搏，最终成为享誉世界的数学大师。
诗人臧克家，1930年参加国立青岛大学入学考试时，数学得零分，作文也只写了三句杂感：“人生永远追逐着幻光，但谁把幻光看成幻光，谁便沉入了无底...
【单选题】Our public debates often fly off into the wild blue yonder of fantasy. So it's been with the Federal Communications Commission's new media-ownership rules. We're told that, unless the FCC's decision i...
A.
he is in favor of it.
B.
his view is balanced.
C.
he is slightly critical of it.
D.
he is strongly critical of it.
【多选题】Mammals have many low-fidelity DNA polymerases of the translesion synthesis (TLS) polymerase family, including:
A.
DNA polymerase η (eta)
B.
DNA polymerase β
C.
DNA polymerase ι (iota)
D.
DNA polymerase λ
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