43. What can we infer from the conclusion of the passage?
(A) Showoffs always feel like getting compliment from others.
(B) People should refrain from showing off for it is always a risk.
(C) People can learn to show off in a more subtle way.
(D) What we may learn from Lord Chesterfield is: We should never show off ourselves.

39. According to the passage, which of the following is NOT true? (A) Some people show off because they feel insecure. (B) Narcissistic showoffs enjoy getting ahead. (C) Competitive showoffs indulge themselves in the sense of being better than all others. (D) Exulting is an acceptable form of showing off.

40. According to the author, why should exulting be seen as a permissible form of showing off? (A) People have the urge to show their passion. (B) Too much self-restraint may do harm to our mental well-being. (C) People should be allowed to show their sense of triumph in an appropriate way. (D) By exulting, people won’t run the risk of being annoying.

41. Which of the following is TRUE about “insecure showoffs”？ (A) We should sympathize with them. (B) They boast in ways different from the ways narcissistic and competitive showoffs boast about their triumph. (C) Their sense of insecurity may result from their not taking the center stage. (D) Narcissistic showoffs may show off because they feel insecure.

42. The word “flag” in line 3 (paragraph 4) is closest in meaning to: (A) weaken (B) continue (C) imply (D) defer

44. What is the passage mainly about? (A) The general public may benefit from the mapping of the human genome. (B) Scientists are reluctant to do genetic analysis for the purpose of discovering the development of mysterious illnesses. (C) Doctors are caught in an ethical dilemma about how much genomic information they should reveal to the patients. (D) Genome sequencing may help locate the cause of some mysterious disease.

45. According to the passage, which of the following is NOT true? (A) More and more doctors have found out that genetic analysis may lead to more anxiety about the development of some mysterious illness and thus more costs. (B) Some genetic testing can be done in where the consumers live so as to save the trouble of traveling to the hospital. (C) Having more detailed genetic information may lead to emotional distress. (D) Waiting years to share sequencing information can cause a big logistical problem.

46. Which of the following is NOT the benefit of genetic analysis? (A) Catching disease early. (B) Offering targeted treatments. (C) Taking preventive measures. (D) Reducing the anxiety over the risk of getting a mysterious disease.

47. The challenge doctors face in determining how much to tell is complicated by a steady stream of new discoveries. Why is that? (A) The medical community hasn’t worked out detailed protocols. (B) Some test results that may seem murky today can be intelligible in the future. (C) They need to find a space to store a massive amount of genomic data. (D) It is not easy to get access to the hospital’s archives. community?

49. What does the passage say about prenatal testing? 1 (A) Parents can be informed in advance of the health condition of their baby. (B) The costs for the future medical treatments can be greatly reduced. (C) The results of genome sequencing will be returned to parents. (D) The results of genome sequencing may trigger unnecessary consequences.

50. What can we infer &om the conclusion of the passage? (A) All the murky results of genome sequencing will one day be clarified. (B) Researchers are thinking of storing the huge amount of genome data in outer space. (C) It is likely that people will easily get access to the results of their genome sequencing. (D) Storing the results of genome sequencing has become a thorny task.