写出句式：主语+谓语（系动词）+as+形容词或副词+as+从句

1.主语+谓语（实意动词)+as+副词+as+从句
He works as hard as I (do)。
这里用do代替前面的 work，避免重复，且通常省略。

2.主语+谓语（系动词）+as+形容词+as+从句
She is as tall as his mother (is)
后面的is通常省略。

元音在弱读音节中的元音单词,away,understand,conversation
r组合的元音单词,teacher,doctor,regard，nurse,

This room is as big as that one.（形容词）
He runs as fast as she.（副词）