某种降解塑料[(C4H4O2)n]能在乳酸菌作用下迅速分解成无毒物质,该降解塑料可制成餐具.下列有关降解塑料的叙述错误的是( )
A:废弃它会带来白色污染
B:它的相对分子质量很大
C:它是一种有机合成材料
D:它完全燃烧产物是CO2和H2O
生活中常见的物质属于溶液的是( )
too, lost, red, first, English, eraser, find, number, must, last
Hi, I'm Jenny Brown. Jenny is my ____ name. Brown is my ____ name. I'm an ____ girl. This morning I ____ my pencil box in the library. I ____ find it. My pencil box is ____. In it, you can see an ____ and a set of keys. If you ____ my pencil box, please call me. My telephone ____ is 765-0652. You can e-mail me, ____. My e-mail address(地址) is jenny 1256@ 126.com. Thanks!
下列计算正确的是( )