题目内容：
根据下列题干，回答题：Soon, more of the information we receive via the Internet could come packaged in （ 1 ） wrap- pers. Wrappers are made up（ 2 ）software code that is（ 3 ）to do specific things with the data（ 4 ）within them, such as helping to define queries for search engines . They also keep outsiders from（ 5 ）. access to that code.
请选择（ 1 ）处最佳答案
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答案解析：