295.The current interest in sign language has roots in the pioneering work of one rebel teacher at Gallaudet University in Washington D.C.，the world s only liberal arts university for deaf people.
英语四级译文:
目前对手语的兴趣源于一位具有反叛精神的教师的先驱性工作，他任教于世界上唯一一所为聋哑人设立的文科性大学 华盛顿加劳德特大学。
四级词汇讲解:
本句的主干是interest has roots。in sign lanuag}为interest的后置定语;at Gallaudet University in Washington D.C.为地点状语;the worlds only liberal arts 为Gallaudet University in Washington D.C.的同位语。
have roots in的意思是 源于，根源在于，扎根于 。如:
Credit woes can have roots in emotional needs.信用危机可能源于情感需求。
My family has roots in Wales.我的家族祖籍在威尔士。
pioneering的意思是 开创性的，先驱的 。如:Such social activities are pioneering.此类社会活动具有开创性。
英语四级考点归纳:
与root有关的短语有:
get at/get to/strike at the roods of sth.意为 找到某事物的根源并加以解决 。如:
The policy never got at the roots of the debt problem.该政策从未找到债务问题的根源并加以解决。
root and branch意为 彻底，完全 。如:
The organization was destroyed root and branch.该组织被彻底摧毁了。
take/strike root意为 生根;确立 。如:
Democracy has never taken root in the country.该国从未建立起民主制度。