阅读《静女》，回答问题。

静女

静女其姝，俟我于城隅。爱而不见，搔首踟蹰。

静女其娈，贻我彤管。彤管有炜，说怿女美。

自牧归荑，洵美且异。匪女之为美，美人之贻。

今有下列物质：①盐酸②烧碱③干冰④氧气⑤熟石灰五种物质中，帮助人体消化的为____，金属除锈的为____，急救病人的为____．（填序号）

    Jack and Anna are good friends. They are Chinese. Jack likes sports very much. He can play volleyball , basketball and football . Anna likes music very much . She can't play ball games. But they both like playing on computers . They like eggs , bread and milk for breakfast . For lunch , Anna likes eating vegetables and fruit , but Jack likes chicken and fish . They both like hamburgers .But they don't like ice cream or rice.

日本面积最大的岛屿和位置最北的岛屿是（    ）

从哪里看出团总少爷是个“恶少”？