题目

 Living in a culture that is different from your own can be both an exciting and challenging experience. The following are six cultural differences between China and the US to help promote mutual understanding.                Chinese people do not have the same concept of privacy as Americans do. They talk about topics such as ages, income or marital status, which Americans think is annoying and disturbing. Family In China, elders are traditionally treated with great respect while the young are cared for. In America, the goal of the family is to encourage independence, p关于“摩尔”的说法正确的是A、摩尔是一个物理量 B、摩尔就是物质的量C、摩尔是物质的量的单位 D、摩尔是表示物质数量的单位