Here are t____ pictures. A man and a boy are in one picture. Who are they? L____ me tell you. The man is Mr. White, and the boy's n____ is Bill. He's the man's son. Now they are in Bill's bedroom. We can see some Chinese b____ on his desk. And on the bed, t____ is a shirt. It's Bill's. His trousers are on it, too.

    Now let's l____ at the other picture. You can see a woman and a girl in it. The woman is Bill's m____ and she's in her daughter, Ann's room. You can see a photo o____ the Whites on the white wall. W____ that on the floor? Oh, it's Ann's hat. but it looks l____ a brown cat.

材料一  “西洋人因为拥护德、赛两先生，闹了多少事，流了多少血，德、赛两先生才渐渐从黑暗中把他们救出，引到光明世界。我们现在认定只有这两位先生，可以救治中国政治上、道德上、艺术上、思想上一切的黑暗。”

——陈独秀

材料二  李大钊指出俄国革命是“立于社会主义上之革命”“是世界人类全体的新曙光”，我国人民应该向俄国学习。