47. In paragraph B sentence 3, They refers to ______
(A) cancers
(B) heart discase
(C) socially connected people
(D) vaccinations

43. Which of the following is NOT true about Goodall's educational credentials? (A) Not having a college degree in biology proved to be a difficult obstacle in her life. (B) She began her life's work without relevant formal education. (C) She later acquired advanced, formal academic training. (D) She earned a PhD from Cambridge University.

44. According to the passage, how did the focus of Goodall's work change over time? (A) She decided to focus on fund raising for documentary films after going to Africa. (B) Weary of conducting field experiments, she decided to start the Jane Goodall Institute. (C) She is now educating people about the unethical treatment of chimps in scientific research and the potential loss of their habitat. (D) Her focus is currently on enhancing her public image through social media.

45. In paragraph B sentence 3, exclusively could be replaced with  ______(A) extraordinarily (B) promptly (C) potentially (D)only

46. What is the main idea of this passage? (A) Crowds may have a positive impact on a person's health and well-being. (B) Psychologists have shown that bystanders help to calm people in a crowd. (C) People who are very socially connected do not have many health problems. (D) Emile Durkheim created the term collective effervescence in the 19th century.

48. According to the passage, which of the following statements is true? (A) Today, more than 50 percent of people in the world live in cities. (B) When more people move into cities, the city does not create as much art. (C) At Woodstock, everyone worked together and there were no difficulties. (D) The United States has a higher life expectancy than anywhere in the world.

49. Which of the following is NOT given as an example of a crowd that has a positive effect? (A) A music festival(B) An urban riot (C) A parade (D) A religious pilgrimage

50. In the first sentence of paragraph G, We may be paying the price means ______ (A) this is costing all of us a lot of money (B) this is resulting in something negative (C) we need to decide how much to pay (D) we should pay attention to this situation

1.以下對原核生物的描述，何者為誤? (A)沒有細胞內膜(B)具有細胞質(C)具有粒線體(D)具有細胞膜

2.下列何者為真核生物和原核細胞共同擁有的構造? (A)高基氏體(B)染色體(C)葉綠體(D)核醣體

3.下列對染色體的描述，何者是最正確的? (A)只存在原核生物中 (B)是遺傳信息(基因)的唯一載體 (C)主要由雙股螺旋的去氧核糖核酸和組蛋白構成 (D)易被酸性染料染成深色