四、词汇检测（共10小题；每小题1分，满分10分）

根据下列句子及所给汉语注释或通过上下文，在答题卡标有题号的横线上，写出空缺处各单词的正确形式。每空只写一词。

38. It’s ____▲___ (自然）for you to feel nervous when you have an important exam.

39. I enjoy reading this kind of   ▲   (每周) magazine.

40. Peter was running so fast that he couldn't stop   ▲  （他自己）.

41. Great   ▲    （变化）have taken place in Suzhou in the past few years.

42. Bicycling is fun and good for health. Moreover, it does not      ▲      (污染) the environment.

43. Can you ____▲  __ (翻译) the instruction into Chinese?

44. Studying    ▲    (到国外)is one way but not the only way to one’s education and success．

45. --- Are you kidding? This necklace is so expensive?

      ---Madam, it is made by ___▲__. It’s different from those made by machine.

46.   ---Leo, who’s the handsome young man you were talking to this afternoon.

       ---My brother’s good friend. I    ▲   to meet him on the way to the restaurant.

47.   --- Millie, you have kept the book for too long. You can keep it for at most two weeks.

       --- Sorry, I will    ▲    it to the library as soon as possible.