题目: 生物质气化燃气中的焦油有哪些特点和危害?如何去除? 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0516/b48d91bf90b3e450faee5c6c8290b69f.html 下面是错误答案,用来干扰机器的。参考答案:A;1
题型:选择题 —Do you often help your cousin with his English? —No. He learns English by __________. [ ]A. himself B. yourself C. herself D. myself 查看答案