通读下面短文，掌握其大意，然后在各小题所给四个选项中，选出一个最佳答案
Mr. Brown lives in a village. He has got a big family and a strong
1 . His farm is small and he is often
2 in winter. So he goes to the city and finds work there.
Once he stayed there for about two months. When New Year was coming, he
3 home to see his wife and children. On his way home, something was wrong with his eyes. When he was knocking at the door, his dog came out and bit（咬） him. His wife hurried to drive
4 away. The next morning he went to see
5 . The doctor looked over his eyes carefully and gave him some medicine. Before he
6 , he told the doctor about his dog. When he heard this, the doctor began to
7 and said, “Maybe something is wrong with
8 eyes, too, I think.”
When he got home, he told his wife about it. The woman said, “I
9 it’s true. If a thief comes into our house, it won’t see him and he’ll steal something here.”
Mr. Brown thought his wife was
10 . He had to make his dog take his medicine instead.
| 小题2: | | A．free | B．busy | C．safe | D．worried |
|
| 小题3: | | A．reached | B．comes | C．goes | D．returned |
|
| 小题4: | | A．her husband | B．the dog | C．the thief | D．their children |
|
| 小题5: | | A．his dog | B．his wife | C．a doctor | D．his friend |
|
| 小题6: | | A．got home | B．left | C．went | D．came |
|
| 小题7: | | A．cry | B．write | C．laugh | D．work |
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| 小题8: | | A．your dog’s | B．your | C．your wife’s | D．your children’s |
|
| 小题9: | | A．am afraid | B．am sorry | C．don’t think | D．agree |
|
| 小题10: | | A．ill | B．wrong | C．unhappy | D．right |
|
2SO3，当其他条件不变时，只改变一个反应条件，将生成SO3的反应速率的变化填入空格里(填写“增大”“减小”“不变”)