It's not necessary to reply to a mass email sent to numerous recipients.

2018年12月四级真题（第二套）听力 Section C

When these students encounter a new problem of the same type on a test, they're able to transfer the knowledge they've gathered more effectively than those who were the passive recipients of someone else's expertise.

出自-2013年12月阅读原文

But the Nobel Foundation's limit of three recipients per prize, each of whom must still be living, has long been outgrown by the collaborative nature of modern research—as will be demonstrated by the inevitable row over who is ignored when it comes to ack

2014年考研真题（英语一）阅读理解 Section Ⅱ

Most of the first-generation students were recipients of Pell Grants, a federal grant for undergraduates with financial need, while this was true only for 8.6 percent of the students with at least one parent with a four-year degree.

2015年考研真题（英语二）阅读理解 Section Ⅱ