综合

　　阅读：抹香鲸的鲸油的作用。

　　1. 保护头部。

　　2. 帮助它们捕食乌贼。

　　3. 保持浮力控制身体平衡。

　　听力：反对

　　1. 有另外一种结构保护头部。

　　2. 乌贼是聋的。

　　3. 这样做会浪费身体能量。

　　独立

　　Do you agree or disagree with the following statement?

　　In the past people ate food that was better for their health than they do today. Use specific reasons and examples to support your answer.