43 According to the passage, which of the followings can be considered an example of the "toxins"?
(A) Fat.
(B) Vitamins.
(C) Pesticides.
(D) Atmosphere.

39 (A) with (B) for (C) on (D) by

40 (A) which (B) where (C) whether (D) what

41 According to the passage, how do human beings lose weight primarily? (A) Through dieting. (B) Through burning fat. (C) Through exercising. (D) Through inhalation and exhalation.

42 Why did the author mention such things as “poop, pee, sweat, saliva, and any number of bodily fluids”? (A) To illustrate how water goes out of human body. (B) To explain how water is consumed by human body. (C) To demonstrate what water does to help humans exercise. (D) To indicate what bodily organs are related to the intake of water.

44 According to the passage, why is it NOT a good idea to lose weight extremely? (A) One may feel light-headed easily. (B) The bloodstream will be full of fat. (C) The bloodstream may become overloaded with pollutants. (D) One may instead intake much more food than one really needs.

45 According to the passage, how are we different from our old ancestors? (A) We store fats in different ways. (B) We need not worry about food supply. (C) We are exposed to much more pollutants. (D) We usually eat better and move more daily.

46 What is the main idea of this passage? (A) To provide a short biography of two of the richest African-American men in America. (B) To discuss how John Johnson manages Johnson Publishing Company well. (C) To describe how George Johnson runs Johnson Product Company successfully. (D) To compare why George Johnson runs business better than John Johnson does.

47 According to the passage, which of the following statements is NOT true? (A) The Johnson Products Co. is one of the largest African-American companies in the U.S. (B) Ebony magazine provided John Johnson with the initial capital to start Negro Digest. (C) John Johnson started out as an office boy. (D) Ebony magazine has over a million subscribers.

48 What can be inferred from this passage? (A) Ebony imitated Life magazine in an attempt to appeal to White-American audiences. (B) The African-American population is not big enough to support a product aimed at them only. (C) Life magazine began to imitate Ebony in order to increase the number of its subscribers. (D) Both Johnsons believed there was a product market in the African-American community.

49 According to the passage, which of the following statements is true? (A) Johnson Publishing Company publishes only books written by African-American authors. (B) The African-American market was mostly ignored prior to the Johnson's success. (C) Johnson Publishing Company is the third largest publishing house in the United States. (D) Johnson Publishing Company took over Life to dominate American magazine business.