A:18gD2O和18gH2O中含有的质子数均为10NA
B:过氧化钠与水反应时,生成0.1mol氧气转移的电子数为0.2NA
C:2L0.5mol/L亚硫酸溶液中含有的氢离子数为2NA
D:密闭容器中2molNO与1molO2充分反应,产物的分子数为2NA
根据句子意思,写出下列句子括号内所给单词的正确形式。The children often get ____ (noise) in the classroom after class .Sometimes he spends his weekend____ (fish).Several____ (foreign)came to visit our school last week.I think the red skirt looks as ____ (good)as the green one .John just got his____ (driver) license.Look!Mrs Li is there. Let's go and say hello to____ (she)?My mother often____ (enjoy) the TV plays in the evening.Talking loudly in a library is very____ (polite).B.根据句子意思及所给的首字母或汉语提示,写出该句子中所缺的单词。Li Na is a famous tennis p____ .We can’t l____ to music when the teacher is talking in class.The children had a____ been asleep when I got home .Mr Li is s____ with his students and makes them work hard.Zhou Gu was____ (采访)by the local newspaper.There are ____ (五十二)weeks in a year.The doctor gave him some medicine for his serious____ (疾病)。