标题: 新prep-1 180题，求大牛答疑。 [打印本页] 作者: luoyu52 时间: 2011-12-2 21:13 标题: 新prep-1 180题，求大牛答疑。 Noting that the Federal Reserve had raised a key short-term interest rate again last month, analysts said that they expected orders for durable goods to decline soon because rising interest rates makes it more expensive to buy them on credit A. rising interest rates makes it more expensive to buy them on credit B. rising interest rates make buying on credit more expensive C. a rise in interest rates make it more expensive to buy on credit D. a rise in interest rates make buying on credit more expensive E. a rise in interest rates makes it more expensive for them to be bought on credit
这里AE的them指代有问题，cd的谓语应该用单数，只有b是没问题的。个人觉得这里rising作为gerund和participle都可以吧，从逻辑意思来理解，做动名词说rising rates这个动作使buying on credit更贵也可以，做participle说一个rsing的rates让buying on credit更贵也可以吧。