A:相对分子质量相同的几种化合物,互称为同分异构体
B:某有机物燃烧只生成CO2和H2O,且二者物质的量相同,则此有机物的组成为CnH2n
C:满足同一通式的有机物,彼此一定是同系物
D:组成元素的质量分数相同,且相对分子质量也相同的不同化合物,一定互为同分异构体
选择正确的拼音。
hùn hún
混____合; 混____天绫; 混____同;
混____球; 混____浊; 混____淆。
jì jí
即____便; 即____使; 随即____;立即____。
—Yeah, it receives(收到)________ Internet hits a day.
A
Yao Ming is a very good basketball player in the world. He is 25 years old. He was born in Shanghai, but he lives in the USA with his parents now. Yao Ming is quite tall. But he isn't so strong. He was in the Rockets Team after he left (离开)China. He plays very well in the NBA. Many people come to his match(比赛) in America. Lots of Chinese young men watch the matches on TV. Yao Ming wants to be a superstar one day.