皮皮学,免费搜题
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搜题
【单选题】
进行四组样本率比较的χ 2 检验,如 ,可认为(    )
A.
四组样本率均不相同    
B.
四组总体率均不相同
C.
四组样本率相差较大    
D.
至少有两组样本率不相同
E.
至少有两组总体率不相同
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举一反三
【单选题】The school was built for 250 students but admissions could soon ( ) that.
A.
raise
B.
arouse
C.
exceed
D.
promote
【简答题】The school was built _________ there had once been a church.
【单选题】CPU通过()与外部设备交换信息 。
A.
内存
B.
硬盘
C.
ROM
D.
Cache
【单选题】The school was built in the ___1970s.
A.
late
B.
lately
【单选题】The school was built on a hill, so we had a very wonderful ________ from the top.
A.
scene
B.
sight
C.
scenery
D.
view
【单选题】After the war, a new school was built there had once been a theater.
A.
when
B.
where
【判断题】一个触发器只能存放一位二进制数。( )
A.
正确
B.
错误
【单选题】在分析远光灯电路时,输入输出2头找,下列属于输入信号的是()。
A.
灯光组合开关
B.
继电器ER09
C.
车身控制模块BCM
【单选题】The school was built _________ there had once been a church.
A.
where
B.
when
C.
in which
D.
that
【简答题】The new school was built on the east side of the mountain. Most of the village’s houses were also built on the east side of the mountain.