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问题 单项选择题

社区内的（）是群众自治的治安保卫组织，是公安机关联系群众的桥梁和纽带，是搞好群防群治工作的重要组织形式。

A.治安保卫委员会

B.派出所

C.城市街道办事处

D.企业事业单位的保卫部门

答案

参考答案：A

填空题
以抛物线y2=16x的顶点为中心，焦点为右焦点，且分别以
p
=(
3
，-1)、
q
=(
3
，1)为两条渐近线的法向量的双曲线方程为 ．
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改错题

短文改错。

     I love camping. It is my favoritest way to spend the summer vacation. Last year, my family and I went

camping in the countryside. It was one of the most excited experiences I had never had. We slept in a tent and went on a long walk every day. We cook over a fire and the food always tasted wonderfully. For a

whole week, I saw lovely mountain views or breathed fresh air. At night, I heard the gentle wind blowing in the tree, and I felt so peaceful. It doesn’t cost many to camp, and what I believe it’s the best way to get

close nature and enjoy its beauty.

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