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【单选题】
即使在幅度很小的情况下也能对SSB接收机形成较严重的干扰是( )。A.
频干扰； ②中频干扰； ③低频干扰； ④像频干扰。
B.
①＋②
C.
②＋③
D.
②＋④
E.
①＋③
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【简答题】Why does the author emphasize on identifying the stages of career cycle?
【单选题】Why does the girl ask Tom to do the volunteer work?
A.
She likes to work with Tom.
B.
They are best friends.
C.
More people are needed.
【简答题】旅游文化是否等同于文化旅游?二者有何关系
【简答题】Why is illegal downloading called piracy?
【单选题】使用一维数组去模拟m * n的二维数组,则arr[i][j]在一维数组中对应的下标为(下标从0开始,数组为m行n列) ( )
A.
i * m + j
B.
i * n + j
C.
(i – 1) * m + j
D.
(i – 1) * n + j
【单选题】Why does the man's wife recommend cycling?
A.
It is good for improving muscle tone.
B.
It helps strengthen the heart.
C.
It helps develop mental toughness.
【单选题】Why have classified advertisements changed in appearance?
A.
Because people no longer want headlines and pictures.
B.
Because real estate advertising is particularly truthful now.
C.
Because the increase in the number of such advertisements means they have to be small now.
D.
Because there are more advertisements now and more competition among advertisers.
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