A:能发生银镜反应的有机物一定属于醛类
B:乙烯和聚乙烯互为同系物
C:室温下,乙醇在水中的溶解度大于溴乙烷
D:乙醇与乙醚互为同分异构体
根据短文内容,用方框中所给词的适当形式填空。
but, favorite, want, about, hamburger, and, like, often, I, visit
Dear Han Mei,
Thank you for your letter. I ____ China very much. And I ____ to go to China with my parents. We want ____ Beijing. I know something ____ China from your letters. ____. I don't know much about Chinese food. Could you tell ____ something about it?I like ____ and fish very much. You tell me you ____ eat rice, vegetables and chicken. And your ____ food is jioazi. What kind of food ____ drink can I have in China? Please tell me.
武汉长江二桥是世界上第一座弧线形钢塔斜拉桥,该桥全长16800m,用科学记数法表示这个数为( ).
雨后的天空,有时会出现美丽的彩虹,关于“彩虹”下列说法错误的是( )