四、单词拼写（共10小题， 计10分）根据句意及汉语提示，填写句中所缺的单词。

51.Lots of people surf the Internet to look for some ____about the lost plane. (信息)

52. To keep healthy, it’s ______ for us to exercise more. （必要的）

53. If students want to learn English well, they should learn about western _____ (文化)

54. It is a good habit to brush your teeth at least ______（两次）a day.

55.There is a tall b______(建筑物) in front of my school.

56.. Mr. Liu is handsome and                 (有创造力的).

57. The roads are becoming more and more        (拥挤) because of too much traffic.

58. We can enjoy                 (新鲜的) air in the countryside.

59. It’s good for your __________ to eat an apple every day. (健康)