【单选题】EPIRB电池有效期一般为--------年,电池容量一般为----------小时。
【简答题】EPIRB电池有效期一般为-----年,静水压力释放器有效期一般为----年
【单选题】( ) 4.What did your sister _________ for lunch this noon?
【简答题】听下面一段材料, 回答第1-4题。 1. Who did Jack know Jane was wounded from? A. A classmate. B. His mother. C. Her mother. 2. Why did the car run into Jane's? A. The driver was drunk. B. The driver was too sleepy. C...
【简答题】简述解释与理解的关系。(浙大2007年研)