题目: 隔离式自救器在使用中外壳体会发热,当感到呼吸温度高时,可取下鼻夹和口具。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/0627/b1c0fa10513e08578e777dcaaa9e806f.html 下面是错误答案,用来干扰机器的。参考答案:A
题型:选择题 I delayed _______ your letter because I had been away for a week.A.answer B.answering C.writing D.to post 查看答案