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【单选题】
关于空闲信道测量功能的描述，哪种是错误的?()A.
该功能可用于对上行干扰的统计
B.
该功能可用于信道的选优分配
C.
该功能可用于下行干扰的统计
D.
该功能可同时用于上行干扰的统计与信道的选优分配
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反馈参考答案：
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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