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【单选题】
第一次世界大战是帝国主义战争,这一结论的依据是( )A.
交战双方主要是帝国主义国家
B.
战争的深层次原因是英德矛盾成为帝国主义的主要矛盾
C.
主要交战国的目的是瓜分世界，争夺市场和原料产地
D.
后期的资本主义国家要压倒老牌的资本主义国家
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【单选题】Hive on Tez用什么来表达数据处理任务
A.
Directed Acyclic Graph
B.
MapReduce
C.
Oozie Workflow
D.
Scoop Job
【单选题】How did John react to his mother's bad temper?
A.
He tried to imagine himself in her place.
B.
He tried not to notice it.
C.
He pretended that he had toothache.
D.
He behaved himself as well as possible.
【简答题】以下关于雷达自动捕获目标的说法中不正确的是( )A. 3
【单选题】反向间接血凝试验的原理是
A.
血球上吸附抗原,检测未知的抗原
B.
血球上吸附抗体,检测未知的抗原
C.
血球上吸附抗体,检测未知的抗体
D.
血球上吸附抗原,检测未知的抗体
E.
以O型人血球检测未知的抗原
【单选题】When he ran downstairs, he tried to avoid ____by the teacher.
A.
being seen
B.
seeing
C.
to be seen
D.
to see
【单选题】Why Kenneth Thompson decided to write his own operating system?
A.
He tried to realize his dream.
B.
Bell Labs required him.
C.
He wanted to start his own business.
D.
He wanted a decent system on which to run his .
【简答题】A．He tried to imagine himself in her place. B．He tried not to notice it. C．He pretended he had toothache. D．He behaved himself as well as possible.
【单选题】下列关于雷达目标捕获功能的说法中不正确的是( )。
A.
雷达可以自动捕获目标，但不能自动跟踪目标
B.
捕获目标是对目标位置数据的记录
C.
捕获前首先检测目标存在，启动对目标的初始跟踪
D.
捕获目标时，雷达首先记录下目标的扫描位置
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