阅读理解。

     Tom is studying in a village school. There are two hills not far from his home. There is a valley (山谷)

between the two hills. The school is in the middle of the valley. He walks to school every day. There is a

small river in front of the school. There is a stone bridge over the river. There is a big playground behind

the teaching building. There are some big trees near the classroom building and the children often read and

play under the trees after school. There are many fields (农田) near the school. When autumn comes, all

the teachers and students will help farmers with their harvest.

1. Tom's school is _______.

A. in a big city

B. in a small town

C. on a hill

D. in a valley

2. Tom goes to school _______ every day.

A. on foot

B. by bike

C. by bus

D. by car

3. The word "bridge" means _______.

A. 小路

B. 小山

C. 桥

D. 船

4. There are some _______ in Tom's school.

A. trees

B. students

C. fields

D. A and B

5. Students in Tom's school ______ read and play in their school.

A. like to

B. don't like to

C. sometimes

D. seldom

在远古时代，随着社会合作关系的逐渐扩展，单纯依靠个体对违反合作规则者加以制裁变得越来越困难，甚至无法实施制裁，因此，必须有单独的组织通过垄断性暴力以确保社会合作关系的维系。可以说，“不存在无需国家权力作为支撑性结构的自治市民社会，前者是后者之构造的关键要素”。由于国家所垄断的暴力主要依靠威慑力来发挥作用，而非必须实际使用暴力，这使得威慑具有一种“规模效益”。所以，由政府来监督社会成员履行合作义务是一种成本较低、也更为有效的制度选择。在此意义上，政府与民众之间是一种合作关系，前者以最低成本为后者提供服务。对上述文段概况最准确的选项为（）。

A.政府通过垄断性暴力来维护整个社会的合作关系

B.社会合作关系的维系有赖于政府的监督

C.政府的执法行为本质上是一种针对公民的服务行为

D.政府的威慑力并非暴力而是一种规模效益