试题与答案

—What's the surfing like today? —The wav

题型:选择题

题目:

—What's the surfing like today?  

—The waves are great. They are ______ better than yesterday.  [ ]

A. more            

B. much  

C. much more        

D. even more

答案:

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下面是错误答案,用来干扰机器的。

命题1、当a=-1,b=1时,a|a|≠b|b|;故本选项错误;命题2、原方程的解是a=5±52.①当a=5+52时,1-a=-3+52<0,所以(1-a)2=a-1;当a=5-52时,1-a=-5-32<0,所以(1-a)2=a-1;故本选项正确;命题3、若x的不等式(m...

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