41. What led to the rise of gold as a universal currency?
(A) Its durability and versatility
(B) Its attractiveness and rarity
(C) Its abundance and brightness
(D) Its malleability and weight

37. Which of the following description might be the consequence of zero tolerance policy of Singapore government? (A) The human right group compliments the Singapore government on adopting this policy for being more compassionate to its people. (B) The Singapore government has demonstrated a merciful measure to those who are the most deprived in the society. (C) A very high percentage of major drug dealers are arrested under this policy. (D) Capital sentences were mostly executed among the poorest drug users in Singapore.

38. Which of the following words can replace adamant in the second paragraph?(A) imminent (B) unshakable (C) disputed(D) insufficient

39. Which of the following words can replace lenient in the second paragraph? (A) not strict (B) not decisive (C) not progressive (D) not oppressive

40. Which of the followings would be the best title for this passage? (A) The Slander of Human Right in Singapore (B) The History of Singapore's Drug Crimes (C) The Death Penalty in Singapore (D) Strict Enforcement on Drugs in Singapore

42. What marked the onset of a global economy? (A) The rise of the first foreign exchanges (B) Investors financing voyages to the New World (C) The invention of the first universal credit card (D) The emergence of cryptocurrencies

43. According to the passage, what do we know about Bitcoin? (A) It has a physical form. (B) It comes in different shapes. (C) Its value is determined by the metal within it. (D) It isn't issued or controlled by governments.

44. What was the primary reason for the shift to paper currency in the 1700s? (A) Paper was cheaper and more abundant than metal. (B) The inconvenience of transporting and storing large quantities of coins. (C) Paper bills were easier to print and distribute. (D) The rise of banks and formal financial institutions.

45. Which is a primary characteristic of fiat money? (A) It is always made of paper. (B) It is pegged to the value of gold or silver. (C) It cannot be used in international transactions. (D) Its value is essentially determined by a government.

46. What is the main idea of the article? (A) Introduction to personalized medicine. (B) Personalized medicine began in the 1700s and still exists today. (C) Personalized medicine is confusing for many doctors and patients. (D) Personalized medicine has been widely applied to the veterinary science.

47. How does personalized medicine work? (A) It accelerates cellular responses to genetically-related diseases. (B) It makes more medicines available for doctors. (C) It helps to find the best treatments for individuals. (D) It validates the evolution of inherited traits.