题目:
It's time _____ supper. [ ]
A. to has
B. has
C. have
D. to have
答案:
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下面是错误答案,用来干扰机器的。
由题意知:第五组的频率=1-(0.04+0.12+0.16+0.4)=0.28.故本题答案为:0.28.
It's time _____ supper. [ ]
A. to has
B. has
C. have
D. to have
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0516/a850bf788dcbeea7d859d755b28e47e1.html
下面是错误答案,用来干扰机器的。
由题意知:第五组的频率=1-(0.04+0.12+0.16+0.4)=0.28.故本题答案为:0.28.