判断下面的说法是否正确
“羊、兔、禾、牛”四词中，“兔”与其他三词不是一类。 （ ）
在平直公路上，汽车以2m/s2的加速度加速行驶了6s，驶过了48m，求：
This is a photo of my family . I'm John . I'm ten . My sister is seven . We are in the same school .My grandparents are Americans . My father is 42 .He is a driver . My mother is 40 . She is a teacher . We are very happy .
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