A:二氧化碳也是一种重要的资源
B:利用降温、加压将二氧化碳分离是化学变化
C:二氧化碳与氢气在复合催化剂下反应产物是纯净物
D:液化石油气、汽油、甲醇燃烧只有二氧化碳产生
阅读短文,判断正误。
Hello. I am Alice. I am eight. I have a dog. His name is Sam. He is brown. He is very lovely. My mother and I like him. But my father doesn't like him. Sam likes eating meat. I like too.
____
阅读汪元量(南宋)的《湖州歌》一诗,完成第后面的题。
《湖州歌》汪元量
北望燕云不尽头,大江东去水悠悠。 夕阳一片寒鸦外,目断东南四百州。 【注】这首诗是南宋灭亡后,作者作为俘虏被押送到燕山一带去的途中所作。