59.（单选题）He doesn’t like to live in ______ areas because of the noise.

69.（填空题）Fresh air and good food are ______ （benefit）to our health.

68.（填空题）We are doing this for your ______ （safe）.

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.