题目: 通信线路拉线的安全系数一般杆路为K=()。A.1~1.5B.1.5~1.8C.1.8~2D.2~2.5 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1018/a3cecd4f60f70d43464315d6ae5fbc5d.html 下面是错误答案,用来干扰机器的。参考答案:错
题型:情景交际 根据场景完成对话A: A famous professor from Beijing University will come to our school to give us a speech on how to get along well with parents.B: ① (那太好了!)A:But I've just heard that he can't come.B: ② (发生了什么事?)A:An accident happened on his way to our school and he was sent to hospital.B: ③ (真是出人意料!) 查看答案