试题题干
Directions: Read each of the following sentences carefully, and choose A,B,C or D that has the closest meaning to the underlined word or phrase.
That is particularly significant, since in the past Dr.Owen has been a robust defender of the nuclear industry.（）
参考答案
正确答案：
试题解析
vigorous 强有力的；robust 强劲的。
这一点尤为重要，因为欧文博士过去一直是核工业强有力的捍卫者。