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57（） A.constitute B.consist C.account D.compile A. Improvements in labor productivity 56 increa

更新时间:2026-07-23 06:21:37   栏目: 中华词典

57（） A.constitute B.consist C.account D.compile A. Improvements in labor productivity 56 increase wages and salaries. Wages and salaries 57 about 75 percent of all income in the United States. 58 , labor productivity is the major 59 of this (and all other) nations’ living standards. If labor productivity improves because of an advance in technology, the 60 of output increases 61 the need for additional labor. The dollar value of all goods increases 62 , which implies that consumers ultimately receive more income. B. Entrepreneurs have a profit 63 to increase labor productivity. They do so by providing their workers with better equipment and creating more efficient ways for their workers to use that equipment. Entrepreneurs also have an incentive to discover new products that are more highly valued to their cost of production. C. Some of the largest increases in productivity occur 65 major technological advancements. The steam engine and the internal combustion engine are two examples. The advances in the computer industry have been 66 phenomenal. Advances in technology depend 67 on businesses 68 investment in new technology and new products. A major issue in today’s economy is 69 businesses are doing this and what incentives are being provided by the government to companies to encourage investment. Another issue is whether labor productivity in the United States has 70 other countries. D. There have also been 71 increases in productivity in our agricultural 72 . Because of the increased use of chemicals, the 73 per acre are many times greater than they were 100 years ago, and consequently, 74 Americans now 75 farming, yet agricultural output is the highest it has, ever been.

57题应选A. constitute。此处需要一个及物动词表示“占（比例）”，句子结构为“Wages and salaries...about 75 percent of all income”，直接接宾语无需介词。

constitute 强调“构成整体的一部分”，符合“工资占总收入75%”的语境，且为及物动词，无需搭配介词。

consist 需与of搭配（consist of），表示“由……组成”，此处语法不符；account 需与for搭配（account for）才表“占比”，但题目空格后无介词；compile 意为“编纂”，与句意无关。

文档中多次出现类似结构，如“the biggest part...accounted for 50 percent of income”，虽account for也表占比，但需介词for，而题目空格后直接接“about 75 percent”，故只能选constitute。

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