18. Government officials must hang ( )with common people to listen to their complaints and suggestions at regular intervals.

59What should a manual laborer do if he wants to be really happy and safe?

58 It is important to start hobbies early because

57 Which of the following best states the author's purpose of writing?

21st-century traveler

56 The author says“the present ceased to be a reality” (Line 4, Paragraph 3) because the

55 Which of the following statements best describes typical 21st-century travelers? A They usually don't have definite destinations for traveling.

54 The word “smear”(Line 5, Paragraph 2) probably means

53 What can be inferred from the description of the 21st century in the assumed future history books?

52 Which of the following may be the best title for the passage?

51 What does the phrase“flora and fauna”(Line 5,Paragraph 4) possibly mean?