想一想，填一填，优美词语呈眼前。

1．描写自然景象的词语。

     姹紫嫣红                                                                                 

2．表现勤奋好学的词语：

     废寝忘食                                                                                

3．来自寓言故事的成语：

     买椟还珠                                                                                

4．在括号里填上恰当的词。

     陡峭的(           )            弯弯曲曲地(           )

     咆哮的(           )            诚心诚意地(           )

Primitive superstitions that feed racism should be ________ through education.

A．ignored

B．exalted

C．eradicated

D．canceled