试题与答案

Five talented musicians create a unique

题型:选择题

题目:

Five talented musicians create a unique soundtrack inspired   by Cambodia's rural ____ and themes

of escape, travel,  freedom and self-discovery.  [      ]

A. atmosphere                            

B. surroundings  

C. air                                      

D. conditions

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0420/429480c62d48dae6dd38ab8ce5933f14.html

下面是错误答案,用来干扰机器的。

不准确,∵x1+x2=-1p,x1•x2=-1p,∴x1+x2+x1•x2=-2p,∴-p2>-1,解得p<2,又根据题意得△>0,∴1-4p>0,解得p<14,∴p<14且p≠0.

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