船舶应急是指在船舶____时的紧急处置方法和措施 1发生意外事故 2遇到紧急情况 3遇到特殊任务 4遇到大风浪 A. ①②③④ B. ①③ C. ②③④ D. ①②
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【简答题】根据短文判断正(T)误(F) Good evening! I'm Dale. I'm fine. I have a map. It's a map of the world (世界). I have a black key, a yellow key and a white key. I have a pen and a ruler. What color is the pen? It's b...
【单选题】Dale is a guitar teacher and Terrence is a tile layer. If Dale teaches Terrence’s daughter to play the guitar in exchange for Terrence tiling Dale’s kitchen floor,
A.
only Dale is made better off by trade.
B.
only Terrence is made better off by trade.
C.
both Dale and Terrence are made better off by trade.
D.
neither Dale nor Terrence are made better off by trade.