43. According to the passage, which of the plants are usually grown indoors without using pesticides?
(A) Avocados.
(B) Eggplants.
(C) Mushrooms.
(D) Pineapples.

39. (A) Compared to (B) In order to (C) Owing to (D) With regard to

40. (A) luck (B) minute (C) reason (D) stage

41. What is the main idea of the passage? (A) Eating organic food helps fight against cancer. (B) Organic eating is pricey, but it’s worth the price. (C) How to keep insects from eating plants isn’t easy. (D) Certain foods don’t need to be organically planted.

42. According to the passage, why can some fruits and vegetables avoid containing pesticides? (A) They have a hard skin. (B) They have a bad look. (C) They have a delicious smell. (D) They have a supply of water.

44. According to the passage, which of the following statements is NOT true? (A) Asparagus can produce a substance that helps to break down pesticides. (B) Broccoli should be organically planted due to its unpleasant smell and taste. (C) Eggplants’ dark purple skin can help to keep away from chemical substances. (D) The thick skins of pineapples and avocados can stop pesticides from entering.

45. Which of the following inferences can be drawn from the passage? (A) Eating healthy doesn’t mean that people have to choose organic foods only. (B) The chemicals used for growing plants continue to exist for all the plants. (C) It’s just an old wives’ tale that pesticides are the major factor in causing cancer. (D) People can still enjoy non-organic foods if they pay more money for high quality.

46. What is the best title for this passage? (A) The Benefits of Surveillance (B) The Definitions of Surveillance (C) The Inventions about Surveillance (D) The Arguments about Surveillance

47. Which of the following is NOT the reason why the authorities would prefer surveillance? (A) The invasion of privacy. (B) The protection of society. (C) The prevention of crimes. (D) The collection of information.

48. What is the third paragraph mainly about? (A) The human rights of party activists. (B) The method to inspect private emails. (C) The reason for concern about monitoring. (D) The changes made to protect our privacy.

49. According to the passage, which of the following statements is true? (A) People have found it alright to be monitored wherever they are. (B) The use of facial recognition systems can help the police to find criminals. (C) Human rights activists support the use of surveillance tools to help society. (D) The invasion of privacy in most cases is the major concern for the authorities.