The Social Security Retirement Program is made up of two trust funds, ______could go penniless by next year.

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问题 The Social Security Retirement Program is made up of two trust funds, ______could go penniless by next year.

选项 A、the larger one
B、the larger of which
C、the largest one
D、the largest of which

答案B

解析 这是一个含有非限定性定语从句的句子,关系代词which的先行词是two trustfunds。解答此题可以从两方面入手。第一,逗号两边是两个完整的句子,需要有连接手段将它们连接起来,而选择项A、C中没有起连接作用的词,因此应排除;第二,句子前半部提到two trust funds,两种事物或人之间进行比较,应用比较级larger,而thelargest是最高级形式,只能用于三种以上事物或人之间的比较,据此可以断定B是唯一正确的答案。关系代词which既引导非限定性定语从句,使前后两句成为从属结构,又在从句中作介词of的宾语,与the larger一起构成从句的主语,相当于the larger(one)of the two trust funds。又如: There are two spare rooms in this building,thelarger of which is provided with modern facilities.这栋楼里有两个闲置的房间,较大的一个装备有现代设施。题句意为:社会保障退休规划由两项信托资金构成,较大的一项到明年可能全部用完。
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