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【单选题】
网络时代是一个“信息过剩而注意力稀缺”的时代,以网络为基础的当代经济的本质是“注意力经济”,在这种经济形态中,最重要的资源是注意力,因此在互联网上如何吸引注意力成为一个非常重要的问题。网络时代对注意力的经济价值的强调无疑是必需的,但如果忽视了对吸引注意力的道德评价和精神意义,就会导致对注意力缺乏应有的人文关怀和起码的尊重,以致于会有人利用网络手段的便捷性和隐匿性,通过不实和不良信息去浪费、污染、践踏他人的注意力,这无疑也是一种严重的精神伤害。根据这段文字,可以看出作者的意图是()
A.
呼吁网络时代要善用注意力,珍视其精神和文化价值
B.
强调网络时代如何吸引注意力是创造经济价值的关键
C.
强调网络时代忽略了对吸引注意力的道德评价
D.
呼吁应加强对网络注意力污染和扭曲的管理
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【简答题】已知m 2 +mn+2n 2 =11,mn+n 2 =6,则m 2 +n 2 的值为(    )。
【多选题】下列化合物中比苯取代反应活性强的是
A.
甲苯
B.
氯苯
C.
D.
硝基苯
E.
苯酚
【单选题】When playing a game you should ask your child to find something starting with the letter b instead Of c.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】When playing a game you should ask your child to find something starting with the letter b instead of c.( )
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】听力原文: There are four types of college degrees, starting with the associate degree. The associate takes about two years to complete when one is enrolled full time. The bachelor's degree takes four year...
A.
The Bachelor's degree.
B.
The Associate degree.
C.
The Master's degree.
D.
The Doctor's degree.
【简答题】When playing a you should ask your child to find something starting with the letter b instead of c.
【单选题】利用配方法解方程x 2 -12x+25=0可得到下列哪一个方程(  )
A.
(x+6) 2 =11
B.
(x-6) 2 =-11
C.
(x-6) 2 =11
D.
(x+6) 2 =51
【简答题】计算 (1)(6a 2 ﹣8a+11b 3 )﹣(11a 2 +2b 3 ) (2)(3x+9)(6x+8) (3)(4a 3 b﹣6a 2 b 2 +12ab 3 )÷2ab (4)(x+2) 2 ﹣(x+1)(x﹣1)
【单选题】听力原文: There are four types of college degrees, starting with the associate degree. The associate takes about two years to complete when one is enrolled full time. The bachelor's degree takes four year...
A.
The Bachelor's degree.
B.
The Associate degree.
C.
The Master's degree.
D.
The Doctor's degree.
【单选题】下列化合物中比苯取代反应活性强的是
A.
苯磺酸
B.
氯苯
C.
苯酚
D.
硝基苯
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