GB3141-94规定了液压油的粘度牌号以()运动粘度的中心值来划分。
A、20℃
B、40℃
C、50℃
D、60℃
参考答案:B
Read and choose. (阅读理解,选择合适的选项)
Welcome to my school. There are 30 classrooms in my school. Look, this is a big playground.
In this building (大楼), you can see the gym, the library and the art room. They are on the first floor.
There are many story-books and picture books in the library. You can read books in it. My
classroom is on the second floor. It's big and clean. I like it.
1. There are _____ classrooms in my school.
A. thirty
B. thirteen
2. The playground is _____.
A. small
B. big
3. The library is on the _____ floor.
A. first
B. second
4. My classroom is _____.
A. clean
B. small
5. I _____ my school.
A. don't like
B. like
党的十五届五中全会通过的《建议》指出,二十多年的改革和发展,使我国的生产力水平迈上了一个大台阶,商品短缺状况基本结束,市场供求关系发生了重大变化;社会主义市场经济体制初步建立,市场机制在配置资源中日益明显地发挥基础性作用,经济发展的体制环境发生了重大变化;全方位对外开放格局基本形成,开放型经济迅速发展,对外经济关系发生了重大变化。我们已经实现了现代化建设的前两步战略目标,经济和社会全面发展,人民生活总体上达到了小康水平,开始实施第三步战略部署。这是中 * * 发展史上一个新的里程碑。
这段文字所叙述的事实昭示了下列马克思主义的真理( )。
A.生产力是社会发展的原动力
B.生产关系一定要适合生产力的状况
C.事物发展的质量互变规律
D.社会主义生产目的是满足人民群众物质和文化生活的需要