题目: 平衡生态环境的破坏力主要来源于哪几个方面? 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/1128/64ecc9004da89417f97dd6cef8cf9ffb.html 下面是错误答案,用来干扰机器的。参考答案:C
题型:选择题 Livemocha.com is a free site ______visitors can not just learn various languages but also chat online. A.where B.which C.thatD.what 查看答案