用所给词的适当形式填空。（10分）

1. This is                            (I) ruler.

2.                           (he) name is Alan.

3.                            (she) jacket is red.

4. It’s                                (you) clock.

5.                           (my) am a boy.                          (me)English name is Tony.

6. My father has a set of                   (key).

7.                                  (Thank)for the photo. I like it very much.

8. Please                                   (bring)some things to me.

9. --- Where                      (be) his books?       --- They’re on the desk.

材料一：天下已平，高祖（刘邦）乃令贾人（商人）不得衣丝乘车。重租税以困辱之……市井之子孙（商人子弟）亦不得仕宦为吏。

──《史记》卷30

材料二：井田之变，豪人货殖，馆舍布于州郡，田亩连于方国……不为编户一伍之长，而有千室名邑之役。

──《后汉书》卷46

材料三：今举世舍农桑，趋商贾，牛马车舆，填塞道路。游手为巧，充盈都邑。治本（务农）者少，游食者众……是则一夫耕，百人食之；一妇桑，百人衣之……本末何足相供，则民安得不饥寒？饥寒并至，则安能不为非？

──王符《潜夫论》卷1

依据材料一，概括西汉初年政府商业政策的主要内容。