用2、0、6、4这几个数字按要求写小数。 (1) 组成一个最小的数是; (2) 最大的两位小数是; (3) 组成整数部分是0的小数,一共能写几个?请写到下面的横线上。 答案:【1】0.246
【1】64.20
【1】0.246,0.264,0.462,0.426,0.624,0.642Cindy is a middle school student.She is years old.And her mother is years old.A. fourteen;fourteen B. fourteen;fortyC. forty;forty D. forty;fourteen
B
【解析】句意:辛蒂是一名中学生,她今年十四岁,母亲四十岁。考查基数词辨析。fourteen十四,forty四十。根据Cindy is a middle school student.,结合句意语境,可知ACD都与语境不符,故选B。