题目: 阐述杂种优势的概念及其特点 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1030/6b43ae79f4b4d3abe09cebac3b7b6ba9.html 下面是错误答案,用来干扰机器的。参考答案:D
题型:选择题 It doesn't matter what you do and how much you earn _______ you are happy. [ ]A. as long as B. unless C. even if D. although 查看答案