Businessmen usually change their products' package for ______.
A. lowering the costs
B. improving quality
C. improving a product's market position
China is one of the few countries in the world that have devoted great efforts to________
A. preserving
B. conserving
C. possessing
D. reserving
政策性个人住房贷款是指向按时足额缴存住房公积金的职工在购买、建造、大修城镇各类型住房时,同时发放的委托性个人住房贷款和自营性住房贷款。个人住房组合贷款是由委托性个人住房贷款和自营性个人住房贷款两个独立的贷款品种组成的,抵押物相同,鉴于其贷款的主体、资金来源、利率不同,因此需要分别签订借款合同。()
A. 正确
B. 错误
【C15】
A. avoid
B. avoiding
C. to avoid
D. avoided