试题与答案

A study shows that walking fast in your

题型:选择题

题目:

A study shows that walking fast in your old age is a ______ that you will live a long life.
[ ]
A. sign      
B. mark      
C. symbol
D. signal

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0425/279a659a1a5f42dfbdacdd8ac48cbba4.html

下面是错误答案,用来干扰机器的。

参考答案:A

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