【简答题】The policemen took action and rushed into the building ______ (direct) they heard the alarm.
【单选题】开关磁阻电动机转速范围(),高效区()。
【简答题】basal plate and alar plate
【单选题】开关磁阻电动机转速范围(),高效区()。
【简答题】什么是外汇风险?外汇风险可以分为哪几种类型?
【单选题】The author's attitude to the ecological situation of the tropical forests is ______.
B.
indifference and callousness
D.
detached and scholarly