To be well informed,you should be equipped with a computer____.[A.at first B,first]

2.
Children may be puzzled by this new invention ____,but later,they may ………….
[A] first [B] at first
顺便再问一下，first和at first有什么不同？还有firstly呢？

1. first 2. at first

at first 起先，在一开始
first 第一, 最早, 首先，优先

你好！ 1. first首先 2. at first 起初 first和firstly意思一个样，我英语专业的绝对不错 希望对你有所帮助，望采纳。

at first 首先 first 开始，刚开始，起初