CRH1A型动车组每辆车上设有（）台紧急通风单元。A.1 B.2 C.3 D.4 发布时间：2019-09-24 15:11 │ 来源：www.tikuol.com 题型：单项选择题 问题： CRH1A型动车组每辆车上设有（）台紧急通风单元。A.1B.2C.3D.4
题型：单项选择题 根据句意从方框中选用合适的词组．并用其适当形式填空come by; stay up; break down; on time; set off1. Tom was exhausted because he ___________ all night studying.2. I started walking, but I knew I could not get to the factory 3. I saw an old man standing in the street when I __________ the supermarket.4. That picture of him really ___________ me__________-I nearly started crying again.5. I don't know the time because my watch has . 查看答案