【简答题】听下面一段材料,回答第1至3题。 1. Peter is in school for _____ years. A. four. B. six C. nine. 2. The first class begins at _____ in Peter's school. A. 7:50. B. 8:05. C. 8:15. 3. Who is Miss Black? A. Peter's mum. ...
【简答题】listening1.doc Listen to the upcoming short talk and complete the related statements below accordingly. Hello class, There goes the bell! Time for class, everybody. Class begins 1) ------...
【多选题】电气控制系统中常用的保护环节有( )等。
【简答题】直流系统发生正极接地或负极接地时对运行有哪些危害?
【简答题】Listen to the upcoming short talk and complete the related statements below accordingly. Hello class, There goes the bell! Time for class, everybody. Class begins 1) ----------because oth...
【简答题】【Dictation—time】 请根据录音,将你所听到的时间填写到下列横线处(以阿拉伯数字表示,如 8:05, 12:10) 1. Our class begins at _________. 2. My mother left this morning at _____. 3. I'm going to catch my bus at _____. 4. Let's get together ...
【多选题】电气控制系统中常用的保护环节有( )等。