45.
(A)
regard
(B) surface
(C) perform
(D) function

41.
(A) accepted (B) destined (C) provided (D) improved

42.
(A) that (B) what (C) which (D) whether

43.
(A) relations (B) decisions (C) adoptions (D) assumptions

44.
(A) actual (B) moral (C) formal (D) artificial

46. What does the term “hard greens” refer to4
(A) A group of mainstream environmentalists. (B) People who grow vegetables to save the earth. (C) Environmentalists who are against traditional ways of protecting the earth. (D) Farmers who organize international corporate farms for efficient food supply.

47. What do hard greens think about having people live in large cities and having them move to country homes4
(A) More people should move to the country in order to reduce pollution. (B) More people should move to the suburbs to plant fields of organic vegetables. (C) People should live in the cities so as to save cost on transportation and save energy. (D) People should live in the cities so forests and wild life in the country may be saved.

48. According to the passage, what place is suitable for widespread use of solar energy4
(A) Large cities with huge populations. (B) Sunshine states with plenty of trees. (C) River banks with vast areas of forests and wildlife. (D) Vast areas with very few trees and plenty of sunshine.

49. What do hard greens think about organic farming4
(A) Organic farming may help solve the problem of food shortage. (B) Organic farming is not efficient and may require more land to produce food. (C) More scientific research is needed to improve the technique of organic farming. (D) More effort should be made to help people understand the value of organic food.

50. What do hard greens think about large agribusiness companies4
(A) They often control the market and result in rise of food prices. (B) They are able to produce more food on less land, and are thus more efficient. (C) Large agribusinesses tend to overuse pesticide, and thus should be inspected regularly. (D) Too many large agribusiness companies may lead to clearing of more forests for farmland.

Food costs more because more people are eating meat and milk products in ______ like China and India.
(A) economies (B) monuments (C) regulations (D) telescopes