报检日期按提单日期填写( )
参考答案：错
解析：报检日期按检验检疫机构受理报检日期填写。
设阿伏加德罗常数的数值为NA，下列说法正确的是： [ ]
A．28g乙烯分子中含有极性共价键的数目为6NA
B．一定条件下，0.1molCu与0.1molI2充分反应，转移的电子数一定为0.2NA
C．标准状况下，11.2L以任意比例混合的NO和O2的混合气体中所含原子个数为NA
D．25℃时，pH=13的1.0 L Ba(OH)2溶液中含有的OH-数目为0.2NA
计算题。
1. Kate has a quzuler more books than Peter and Peter has a third more books than Jill.
Altogether they have 120. How many books does each person have?
Answer: __________________________________________________________
2. What weight must be placed at "?" to balance the Scale?
Answer:____________________________________________________________
