皮皮学，免费搜题
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【单选题】
Some volunteers will help owner find their lost pets or ______ animal information.A.
help out
B.
sort out
C.
sort about
D.
help out
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皮皮学刷刷变学霸
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【简答题】编写C程序输出: Hello World!
【简答题】请大家编写程序输出“hello world!”,并理解程序编辑、编译、执行的过程。
【单选题】听力原文：M: What did you do on the beach? W: You know, made sand castles that sort of things, and hunted for shells. What are they talking about?
A.
Playing on the beach．
B.
Painting on the beach．
C.
Dancing on the beach．
【简答题】DSS的核心库是()库。