第21题: [单项选择]The returns in the short _________ are likely to be small, but over a number of years the investment will be well repaid. A. term B. spell C. interval D. time 参考答案:A 答案解析:各选项意为:A)项term“期间,期限”,in a short term(短期),in a long term(长期);B)项spell“一段时间,片刻”着重指有始有终的一个时间段:C)项interv