38. According to the passage that alders are used in mountainous areas to (A) nitrogen (B) calcium (C) carbon (D) oxygen

43. Which of 'he following can be said about the country dwellers' attitude toward "the pursuit of pleasure"? (A) They felt that it should help keep their minds on their work. (B) They felt that it was not necessary. (C) They felt that it should be. productive. (D) They felt that it should not involve eating and drinking.