【单选题】()是从明清开战以来明朝第一次取得的一个重大胜利。
【多选题】从事电气设备红外热像检测的人员必须具备以下()条件。
A.
了解红外热成像诊断技术的基本条件和诊断程序;熟悉红外热成像仪的工作原理,技术参数和性能,熟悉掌握仪器的操作程序和调试方法
C.
了解被检测设备的结构、特点、外部接线、运行状况和导致设备故障基本因素
D.
具有一定现场工作经验,熟悉并能严格遵守电力生产和工作现场的有关安全规程
【简答题】A.They can't get through to David. B.David has been busy recently. C.They are going to invite David to see a film. D.They want to see the film without David.
【单选题】听力原文:M: Has David found an apartment? W: David wanted to find an apartment for 300 dollars a month, but discovered he had to pay twice that much. Q: How much did David pay for his apartment? (3)
【单选题】— Isn’t David an efficient manager? —Er, David is really great but sometimes he has problems ______his ideas.