28. When business is ______, there is usually an obvious increase in unemployment.

A. degraded B. depressed C. reduced D. lessened

depress v.使沮丧, 使萧条

depression 沮丧, 萧条, 低洼地带

degrade v.(使)降级, (使)堕落

reduce vt.减少, 缩小

induce 诱惑, 劝诱

produce 生产

deduce 推断, 推论, 演绎出

educate 教育

education n.教育

introduce 介绍

lessen 减少, 变得更小

enrich 使丰富, 使充实

recession (经济)不景气

redundant 冗余的