推销员在向客户推销产品时,最应该向客户介绍的产品特征是():
A.客户最感兴趣的特征
B.产品最优秀的特征
C.产品最独有的特征
D.客户询问的特征
参考答案:A
You _____ the exam but you failed this time. [ ]
A. are supposed to pass
B. supposed to pass
C. are supposed passing
设NA为阿伏加德罗常数,下列叙述正确的是 [ ]
A.22 g D216O中含有的质子数为10NA
B.1 mol/LCH3COONa溶液中含有CH3COO-的数目小于NA
C.0.1 mol Fe在0.1 mol Cl2中充分燃烧,转移的电子数为0.3NA
D.标准状况下,22.4 LN2和O2混合气体中含有的原子总数为2NA