A：2.3g金属钠变为Na+时失去电子数目为0.1NA
B：32g氧气所含的原子数为NA
C：0.1mol•L-1氯化钡溶液中Cl-数目为0.2NA
D：11.2L氯气所含的原子数目为NA
发挥你的聪明才干，把下列成语填写完整。
小心____
不容____
____不舍
络绎____
⑴New Year____ A. in January or February
⑵Chinese New Year____ B. on the third Sunday in June
⑶Mother's day____ C. on 1st January
⑷Father's day____ D. on the second Sunday in May
⑸Children's day____ E. on 1st June
