¡¡¡¡22. The world "Advocates" in line 3 is closest in meaning to which of the following£¿
¡¡¡¡£¨A£© Proponents
¡¡¡¡£¨B£© Merchants
¡¡¡¡£¨C£© Inspectors
¡¡¡¡£¨D£© Consumers
¡¡¡¡23. In line 6£¬ the word "others" refers to
¡¡¡¡£¨A£© advantages
¡¡¡¡£¨B£© advocates
¡¡¡¡£¨C£© organic foods
¡¡¡¡£¨D£© products
¡¡¡¡24. The "welcome development" mentioned in line 8-9 is an increase in
¡¡¡¡£¨A£© interest in food safety and nutritional quality of the typical North American diet
¡¡¡¡£¨B£© the nutritional quality of the typical North American diet
¡¡¡¡£¨C£© the amount of healthy food grown in North America
¡¡¡¡£¨D£© the number of consumers in North America
¡¡¡¡25. According to the first paragraph£¬ which of the following is true about the term "organic foods"£¿
¡¡¡¡£¨A£© It is accepted by most nutritionists.
¡¡¡¡£¨B£© It has been used only in recent years.
¡¡¡¡£¨C£© It has no fixed meaning.
¡¡¡¡£¨D£© It is seldom used by consumers.
¡¡¡¡26. The word "unsubstantiated" in line 21 is closest in meaning to
¡¡¡¡£¨A£© unbelievable
¡¡¡¡£¨B£© uncontested
¡¡¡¡£¨C£© unpopular
¡¡¡¡£¨D£© unverified
¡¡¡¡27. The word "maintain" in line 28 is closest in meaning to
¡¡¡¡£¨A£© improve
¡¡¡¡£¨B£© monitor
¡¡¡¡£¨C£© preserve
¡¡¡¡£¨D£© restore
¡¡¡¡28. The author implies that there is cause for concern if consumers with limited incomes buy organic foods instead of conventionally grown foods because
¡¡¡¡£¨A£© organic foods can be more expensive but are often no better than conventionally grown foods
¡¡¡¡£¨B£© many organic foods are actually less nutritious than similar conventionally grown foods
¡¡¡¡£¨C£© conventionally grown foods are more readily available than organic foods
¡¡¡¡£¨D£© too many farmers will stop using conventional methods to grow food crops.
¡¡¡¡29. According to the last paragraph£¬ consumers who believe that organic foods are better than conventionally grown foods are often
¡¡¡¡£¨A£© careless
¡¡¡¡£¨B£© mistaken
¡¡¡¡£¨C£© thrifty
¡¡¡¡£¨D£© wealthy
¡¡¡¡30. What is the author s attitude toward the claims made by advocates of health foods£¿
¡¡¡¡£¨A£© Very enthusiastic
¡¡¡¡£¨B£© Somewhat favorable
¡¡¡¡£¨C£© Neutral
¡¡¡¡£¨D£© Skeptical
