①玻璃管中黑色固体变成了红色
②CO被还原为CO2
③玻璃管中发生的反应为置换反应
④既有效地防止了CO对空气的污染,又充分利用了能源
the description of that man, the police found the thief.
如图所示,杠杆上每一小格距离相同、每个钩码质量相同,为使杠杆在水平位置平衡,可采取下列哪种措施( )
——伯里克利《论雅典之所以伟大》
以下表述是从以上材料中得出的,请在对应的括号内打正确;违背了以上材料所表达的意思,请在对应的括号内打错误;是以上材料没有涉及的,请在对应的括号内打○。
①伯里克利时期的雅典,民主政治发展到顶峰。
②雅典的民主政治成为其他国家效仿的对象。
③在雅典,担任公职主要依靠门第出生。
④在雅典,为国效力的人可以得到步步高升。
⑤雅典的民主政体具有示范性,独创性,平等性和民主性的特点。
①原子种类
②原子数目
③分子种类
④分子数目
⑤元素种类
⑥物质种类.
Lisa has always been overweight. She wanted to lose1, not just because she wanted to look more beautiful and healthier, but also because it would make life easier. For example, it was difficult for Lisa2 ready-made clothes that would fit. She had to ask a tailor(裁缝)to make clothes that3 large enough. In school, she needed a special chair which was bigger and stronger than4 chairs. If she went for a walk, she got tired very5. She was also6 about the way people treated her sometimes. "People look at me and even make fun of me. That's unfair! It's true that I'm overweight, but I don't think people7treat me differently because I'm big. I can't enjoy8 dinner with my friends because I'm afraid of getting fatter. " Her friends and family never made fun of her. 9, they tried to help her. They wanted her to be happy and healthy. 10 Lisa was feeling sad, she didn't want to speak to anyone.
But now things are quite different. Last month her classmates were preparing for the School Art Week. Someone advised Lisa to play11 lead role of the proud Queen who was tall and fat. Lisa agreed and she practiced 12.
Soon after the play, Lisa became the star! She did13 well that everybody remembered the proud Queen. 14 stood around and said "Congratulations" to her. She even15 the School Best Actress Award for her wonderful performance.
Now Lisa doesn't worry about being fat any more. She believes in the English saying, "Every dog has its day. "
①退到卫生间暂避;②用湿毛巾捂住口鼻;③匍匐前进,寻找安全出口;④封闭房门;⑤跳楼
①有利于我国加快建成全面小康社会
②更加促进了社会的公平正义
③有利于人民共享改革开放的发展成果
④会加剧农村劳动力人口的流失