单选题 What does the word "pool" ( Para 4, line 1) probably refer to?

【正确答案】 C
【答案解析】[解析] 词汇题。一个词汇可有多种意义。词汇的具体意义可放在该词出现的句:子及上下文或整个篇章中确定。本文围绕“教师资源紧缺”问题展开,而问及“Do we have enough in the pool to fill the math and special education vacancies?”,此处“pool”显然指“人才/人力资源库/储备”。本题的解题方法在于联系篇章解题,最后选择时结合排除法,最后确定正确答案。