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1)1. Where to check the deicing holding time?（）.【单选题】

2)When does the deicing hold time start for a two-step deicing/deicing operation? 【单选题】

3)When should the pollutant inspection be carried out before takeoff?【单选题】

4)The standard of low visibility take-off: What are the two-section standard and the three-section standard marked on the chart？【单选题】

5)Can we use RVV when the airport is running LVP?【单选题】

6)Urumqi and Xi 'an Class II landing standards, the special requirements for three-section visibility are：【单选题】

7)Class I landing standard, if intermediate RVR is reported, what is the intermediate RVR requirement? 【单选题】

8)Cruise overspeed prevention and correction, in order to slow down as soon as possible, can you choose a speed less than the green dot？【单选题】

9)Low temperature correction is needed when：【单选题】

10)When there is dry snow on the runway, the A330's landing wind limit is：【单选题】