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　021. But in many cases consumers are misled if they believe organic foods  can maintain health and provide better nutritional quality than conventionally  grown foods. So there is real cause for concern if consumers, particularly those  with limited incomes, distrust the regular food supply and buy only expensive  organic foods instead.

　　The word "maintain" is closest in meaning to which of following?

　　(A) improve

　　(B) monitor

　　(C) preserve

　　(D) restore

　　022. In addition, there were performers and since considerable importance  was attached to avoiding mistakes in the enactment of rites, religious leaders  usually assumed that task.

　　The word "considerable" is closest in meaning to which of following?

　　(A) thoughtful

　　(B) substantial

　　(C) relational

　　(D) ceremonial

　　023. In addition, there were performers and since considerable importance  was attached to avoiding mistakes in the enactment of rites, religious leaders  usually assumed that task. The word "enactment" is closest in meaning to which  of following?

　　(A) establishment

　　(B) performance

　　(C) authorization

　　(D) season

　　024. Staggering tasks confronted the people of the United States, North and  South, when the Civil War ended. About a million and a half soldiers from both  sides had to be demobilized, readjusted to civilian life, and reabsorbed by the  devastated economy.

　　The word "Staggering" is closest in meaning to which of following?

　　(A) specialized

　　(B) confusing

　　(C) various

　　(D) overwhelming

　　025. About a million and a half soldiers from both sides had to be demobilized, readjusted to civilian life, and reabsorbed by the devastated  economy.

　　The word "devastated" is closest in meaning to which of following?

　　(A) developing

　　(B) ruined

　　(C) complicated

　　(D) fragile

　　026. Some botanists hypothesized that the living cells of plants acted as  pumps. But many experiments demonstrated that the stems of plants in which all  the cells are killed can still move water to appreciable heights.

　　The word "demonstrated" is closest in meaning to which of following?

　　(A) ignored

　　(B) showed

　　(C) disguised

　　(D) distinguished

　　027. As water is lost from the surface of the leaves, a negative pressure,  or tension, is created. The evaporated water is replaced by water moving from  inside the plant in unbroken columns that extend from the top of a plant to its  roots. The same forces that create surface tension in any sample of water are  responsible for the maintenance of these unbroken columns of water.

　　The word "extend" is closest in meaning to which of following?

　　(A) stretch

　　(B) branch

　　(C) increase

　　(D) rotate

　　028. By opening vast areas of unoccupied land for residential expansion,  the omnibuses, horse railways, commuter trains, and electric trolleys pulled  settled regions outward two to four times more distant from city centers than  they were in the premodern era.

　　The word "vast" is closest in meaning to which of following?

　　(A) large

　　(B) basic

　　(C) new

　　(D) urban

　　029. The new accessibility of land around the periphery of almost every  major city sparked an explosion of real estate development and fueled what we  now know as urban sprawl. Between 1890 and 1920, for example, some 250,000 new  residential lots were recorded within the borders of Chicago, most of them  located in outlying areas.

　　The word "sparked" is closest in meaning to which of following?

　　(A) brought about

　　(B) surrounded

　　(C) sent out

　　(D) followed

　　030. Anxious to take advantage of the possibilities of commuting, real  estate developers added 800,000 potential building sites to the Chicago region  in just thirty years- lots that could have housed five to six million  people.

　　The word "potential" is closest in meaning to which of following?

　　(A) certain

　　(B) popular

　　(C) improved

　　(D) possible

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