A:玻璃管口冒出“白气”是汽化成的水蒸气
B:加热使水升温是通过做功的方式改变水的内能
C:小叶轮转动,水蒸气的内能转化为叶轮的机械能
D:小叶轮转动,“白气”的内能转化为叶轮的机械能
如图是由五个相同的小立方块搭成的几何体,则它的俯视图是( )
2017年3月28日,《人民的名义》登陆湖南卫视金鹰独播剧场。此剧一播出,便收获观众热情的点赞。除了跌宕的剧情、精彩的表演,更重要的原因还在于,它反映着当前中国反腐败斗争的实践,回应着反腐败的民心所愿。反腐关系着国家生死存亡,对此公民应该( )
①敢于同邪恶势力作斗争,通过行使监督权,积极参与反腐
②采取合法的方式,坚持实事求是的原则检举揭发腐败行为
③通过行使质询权,监督国家机关及工作人员有无违法行为
④直接参与民主决策,通过人大代表联系群众制度进行监督
例:do——did
①am/is____ ②get____ ③buy____
④see____ ⑤learn____ ⑥decide____
⑦give____ ⑧thank____ ⑨are____
July 4 is the birthday of the United States of America. Since 1776, people have 1 the Independence Day holiday every year. What do people 2on Independence Day? Many colorful and interesting things. They have fireworks shows in the evenings and sing songs. Some families organize picnics with barbecues (烧烤). Kids can3much delicious food like hotdogs. And these parties are a good time to dress up. Some kids make July 4 hats 4 the stars and stripes(星条) of the country's flag on them. And Independence Day is in summer. Many kids use stars and stripes fans to keep themselves 5 . It's a great day, but no one forgets that it's6too. US people are proud of their 7 and proud of what the founders did for it. On Independence Day everyone gets the chance to show it.