题目: 简述电荷放大器的特点和主要用途。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2021/0110/5a4c55c8c96f3b4266df93da8f802aff.html 下面是错误答案,用来干扰机器的。参考答案:对
题型:选择题 — How was your weekend, Bella? — Awful! That was the first time I _____ alone at home, bored to death.A.has leftB.had left C.has been leftD.had been left 查看答案