...a family from solidly middle class to newly poor in a few...
B.their chances of being laid off have greatly increased.C.they are more vulnerable to changes in family economics.D.they are deprived of unemployment or disability insurance. 答案 C 解析:此题为细节题。题目问:今天双收入家庭面临更大的经济危险,因为什么?第2段的第2句话提到...