洗涤剂(如肥皂、洗衣粉等)是生活中常用的物质,大多显碱性.小红取了少量用来吹泡泡的肥皂水,用pH试纸测试的结果是pH______7(填写“<”“=”“>”),若向其中加入少量的无色酚酞试液(化学式C 20 H 14 O 4 )试液,肥皂水呈______色.酚酞是由______种元素组成,酚酞分子中碳原子和氧原子的个数比是______.
【简答题】John Keats wrote a number of well-known odes. In one of his famous odes he declares his idea of beauty. He claims that beauty is truth and truth is beauty. The title of this famous ode is ______.
【简答题】Soon after Dave left college, one of his uncles, 1 was rich and had no children of his own died and 2 (leave) Dave a lot of money, so he decided to set up his own real estate agen...