【简答题】函数y=2sinx的最小正周期是______.
【单选题】When Mary received the life-changing news, she __.
A.
lost control of herself
C.
Med to get a treatment
【简答题】When my daughter was five, we gave her a piano as her birthday gift, with great excitement; she began learning piano under the teacher’s guidance. However, when she was no longer curious about it, she...
【单选题】Q: What happened to the main engine?
【单选题】Q: What happened probably?
【判断题】从严格的意义上讲,不存在绝对安全,它只是安全的一种理想状态。