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

A. degradedB. depressed

C. reducedD. lessened


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depressv.使沮丧, 使萧条

depression沮丧, 萧条, 低洼地带

degradev.(使)降级, (使)堕落

reducevt.减少, 缩小

induce诱惑, 劝诱

produce生产

deduce推断, 推论, 演绎出

educate教育

educationn.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