微生物被广泛应用于食品工业上．制作酸奶和泡菜所利用的微生物是（  ）

假定你是李华，你的英国朋友Peter来信向你咨询如何才能学好中文。请你根据下列要点写回信。要点：⑴ 参加中文学习班；⑵ 看中文书刊、电视； ⑶ 学唱中文歌曲； ⑷ 交中国朋友。

注意：可适当增加细节，以使行文连贯；开头语已给出。

字数：120左右。信的开头和结尾已给出，不计入总词数。

Dear Peter,

    I'm glad to receive your letter asking for my advice on how to learn Chinese well.

Best wishes,

Li Hua

根据上下文内容填空。

cat    afraid      shadow    sees     plays     again     takes

      Kitty the cat is lovely. She ____ a walk in the morning. Then she ____ a black shape behind her. She thinks it's a big black ____. She is ____. She runs. The black shape runs too. She stops, the black shape stops too. She runs, the black shape runs ____. “Oh, it's my ____ !”Kitty says. At last, she is happy. She ____with her new friend together.