题目内容
17．The young man is trying to be apioneer （先锋）in the field of high technolo gy．分析 那个年轻人尽力想成为高科技领域的一名先锋．
解答 答案：pioneer．
根据提示汉语结合语境推测句意是"那个年轻人尽力想成为高科技领域的一名先锋．"，由设空处前面的不定冠词a 判断设空处应填名词单数，提示词"先锋"是pioneer，所以答案是：pioneer
点评 做这类题型，首先根据所给汉语明确句子所要考查的单词或短语的拼写，再结合相关语法知识对单词或短语做出形式上的变化．
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