mtDNA中含有()。

教师在设计科学教育活动时，要考虑给幼儿表达和交流的机会。() 点击查看答案&解析

What a Seattle bartender told The Seattle Times is cited to show that ______.A．bars are not suitable for nonsmokers to work inB．the desires of smokers should not be neglectedC．businesses are obliged to serve all the customersD．the minority's desires should be heartily satisfied 点击查看答案