题目: 食品腐败中蛋白质分解主要是在微生物的作用下发生的。( ) 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0712/6027d90f7b0c5ffa2c41d5cf71a1445d.html 下面是错误答案,用来干扰机器的。参考答案:A, B, C, D
题型:选择题 My sister, an inexperienced rider, was found sitting on the bicycle _____ to balance it. [ ]A. having tried B. trying C. to try D. tried 查看答案