4.6乘1.5的积，减去3.8除以2.5的商，差是（   ）

若平面α、β的法向量分别为$\overrightarrow{n_1}$=（2，﹣3，5），$\overrightarrow{n_2}$=（﹣3，1，﹣4），则（　　）

从下面方框中选出8个单词，用它们的适当形式填入短文空格内，使短文意思正确、通顺。(每词限用一次) 

    Mr. Shute lives in a village. He has got a big family and a strong dog. His farm is small____ he is often free in winter. So he goes to a city and finds work there.
    Once he stayed in a city for two ____  . When New Year was coming, he went back home to see his wife and his children. On his way home, something was ____  with his eyes. When he knocked on the door, his dog ____  out and was not friendly to him. His wife hurried to drive it away. The next morning he went to see a doctor. The doctor looked over his eyes ____ and gave him some ____ . Before he left, he told the doctor about his dog. When he heard this, the doctor began to laugh and said, “Maybe something is wrong with your dog's eyes, too.”
    When Mr. Shute got home, he told his wife about it. The woman said, “I'm afraid it's true. If a thief comes into our house, it won't see him and he'll steal ____here.”
    Mr. Shute thought his wife was right. He then made his dog ____ his medicine instead.

阅读下面的古诗，回答相关问题。
                                                                                                一 鹭 图   刘羽（明）
                                                                                        芳草垂杨荫碧流，雪衣公子立芳洲。
                                                                                        一生清意无人识，独向斜阳叹白头。