【简答题】将以下英文翻译成准确的中文: The well consists of a wellhead, which supports the well casing in the ground, and a pod, which contains valves to control the flow and to shutoff the flow in the case of an emergency o...
【单选题】听力原文:Wasn' t the furniture supposed to be here today? (A) I don't think that is necessary. (B) I suppose she will arrive soon. (C) I thought so. (36)