【已刪除】41. The word “decay” in line 2 is closest in meaning to _____.
(A) proper treatment
(B) worsened condition
(C) the deceased
(D) bad denture

【已刪除】37. What are xenobots primarily used for at present? (A)They are used to deliver medicine and clean arteries. (B) They are experimented to gather microplastics in the ocean. (C) They are designed to imitate human movements, such as walking and swimming. (D)They are a scientific tool to understand how cells cooperate to build complex bodies.

【已刪除】38. According to the passage, xenobots are environment friendly because _____. (A) they are powered by batteries (B) they eat microplastics in the ocean (C) they become dead cells after a week or longer (D) they are less than one millimeter wide

【已刪除】39. Which of the following statements about xenobots is NOT correct? (A)They are capable of self-healing. (B) They all have the same body shape and weight. (C) They move and work together in groups. (D)The heart cells are what make them move forward.

【已刪除】40. Which would be the best title for this passage? (A) The Father of Xenobots (B) Xenobots: the First Synthetic Lifeform Robots (C) When Xenobots Have Been Developed (D) Ultimate Application of AI Technology

【已刪除】42. What does the author imply about removing diseased teeth in ancient times? (A) There were many handy tools used at that time. (B) It was only available to the wealthy at their homes. (C) Aesculapius contributed to the treatment by extracting diseased teeth. (D) It was an alternative to acupuncture although the Chinese had been using it for a long time.

【已刪除】43. According to the passage, modern dentistry dates from _____. (A) 1400-1200 BC (B) the mid 1600s (C) the early 1700s (D) the mid 1800s

【已刪除】44. According to the passage, cheaper dentures were available when _____. (A) a model of the patient’s mouth could be taken to attach antificial procelain teeth (B) artificial golden teeth could be attached to the patient’s mouth (C) gold, silver, and ivory were no longer so commonly used (D) implantations became standard procedures

【已刪除】45. According to the passage, modern techniques for dental fillings were developed _____. (A) when bacteria-related infections were scientifically confirmed and proved (B) when the dentists could use only one hand while operating a dental drill (C) when laughing gas was no longer used for inhalation analgesia and anesthesia (D) when they were based upon biological principles and microscopic evaluation

【已刪除】46. What does “shadow pandemic” refer to? (A) It refers to the chain effects brought about by the Covid pandemic. (B) It refers to truncated education because of the Covid pandemic. (C) It refers to the death tolls that were caused by the coronavirus. (D) It refers to the economic destructions caused by the Covid pandemic on a global scale.

【已刪除】47. This essay may move on to the discussion of the following issues EXCEPT _____. (A) education (B) regional conflicts (C) healthcare problems (D) economic recession