英语两题AccordingtotheFBI,identitytheftisthefraudcommittedontheinternetAnumberoneBfirst请具体解释各项选项.（为什么选……为什么不选……）2rankthesecondandthethird,rankthesecondandthird,ranks

Question

英语两题
According to the FBI ,identity theft is the _____ fraud committed on the internet
A number one B first
请具体解释各项选项.（为什么选……为什么不选……）
2 rank the second and the third,rank the second and third,rank second and third,哪个对,为什么

Answer 1

A number one number one多指第一名,而the first多指首先.一个是排名,一个是顺序上
rank second and third