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【单选题】
四格表资料的χ2检验满足校正条件使用校正公式，会导致A.
χ2值增大，P值减小
B.
χ2值减小，P值增大
C.
χ2值增大，P值增大
D.
χ2值减小，P值减小
E.
χ2和P值的大小都不确定
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皮皮学刷刷变学霸
举一反三
【单选题】从下列选项中,选择正确的CASE语句( ) SIGNAL v : INTEGER RANGE 0 TO 15;
A.
CASE v IS END CASE ；
B.
CASE v IS WHEN 0 => out1<= '1' ; WHEN 1=> out1<= '0' ; END CASE
C.
CASE v IS WHEN 0 => out1<= '1' ; WHEN 1 ½ 3=> out1<= '0' ; WHEN OTHERS=> out1<='1' ; END CASE ；
D.
CASE v IS WHEN 0 TO 10 => out1<= '1' ; WHEN 5 TO 15=> out1<= '0'; END CASE;
【单选题】— How much is the ticket to the West Lake ? —A one way ticket ＄40,and you can spend another ＄20 for a round—trip.
A.
pays
B.
costs
C.
takes
【单选题】I know that no one likes the feeling of _______, but you can’t draw their attention in that way.
A.
ignoring
B.
to be ignored
C.
being ignored
D.
the ignorance
【简答题】We enjoy sports in one way or another. But can you explain why having sports is such a common phenomenon in the modern world? Write an essay and give three reasons: 1) it can be convenient, 2) it brin...
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