61.（单选题）Workers should wear full ______ clothing in the workshop.

67.（填空题）For ______ （secure）reason, passengers are requested not to leave any luggage unattended.

66.（填空题）Manufacturers are making safety a __________（ prioritize）.

65.（填空题）Teenagers are often very ____________ （sense）about their appearance.

64.（填空题）The population of the town saw rapid ____________ （expand）in the 1960s.

63.（填空题）These devices allow the robot to have dynamic ____________ （interact）with its environment.

62.（填空题）The tall building（complete）_________last month is our new classroom building.

61.（填空题）We regret to inform you that we no longer manufacture the product you are （interest）_____in.

60.（填空题）We all felt excited when China-succeeded in （launch）______its first manned spaceship.

59.（填空题）I am sure the secretary who has just been hired will prove to be an efficient （employ）______.

58.（填空题）（impress）________by the young man’s good qualifications, they offered him a job in their firm.