如图所示,在一张长为4cm、宽为3cm的矩形纸片上,现要剪下一个腰长2cm的等腰三角形(要求:等腰三角形的一个顶点与矩形的一个顶点重合,另两个顶点在矩形的边上),则剪下的等腰三角形面积为 ____
下列各组句子中,加线的词的意义和用法不相同的一组是 ( )
根据句意和所给的首字母完成单词(1)In most parts of China, students r____ bikes to school.(2) My family will take the t____ to Beijing next week.(3) It's around 1,500 k____ from Beijing to Tianjin.(4) They had a q____ meal and then went to school in a hurry.(5) She is i____ in hospital. Let's go to see her after school.(6)The e____ bird catches the worm.(7)There is no m____ of getting there. (8) English is a b____ to the world.(9)We must be in the same b____ to overcome the difficulty.(10)Whether(是否) we'll go for a picnic d____ on the weather.
下列有关水的说法,正确的是()
①运用行政手段——完善环保法律法规
②运用经济手段——增加对大气污染防治的政策性信贷支持
③推动经济转型升级——培育壮大节能环保产业,严控高耗能、高排放行业新增产能,加快淘汰落后产能
④运用法律手段——出台行政命令,严格投资项目节能环保准入,提高准入门槛,严格限制在生态脆弱或环境敏感地区建设“高耗能、高排放”行业项目