The　should not be used when flying through clouds or overcast. A: navigation lights and flashing beacon B: strobe lights and flashing beacon C: strobe lights and courtesy lights

A flashing red warning light on a CRT normally indicates:

Flashing beacon (Anti-collision light) is located on the top of vertical fin. A: True B: False

But the pilot emerged from the cockpit flashing a __1__ after a ground crew opened the hold and freed the dog.

As you approach Old River Control Structure Light you see a flashing amber light. You should（）.

The　share the same switch. A: navigation lights and flashing beacon B: rear dome light and courtesy lights C: strobe lights and courtesy lights

In the film clip, we can see a train is carrying some women to the concentration camp. The white-and-black color, plus the flashing and changing of shadow and light can create an atmosphere of all except _________.

In the film clip, we can see a train is carrying some women to the concentration camp. The white-and-black color, plus the flashing and changing of shadow and light can create an atmosphere of all except _________.( ) A: distrust B: uncertainty C: desperation D: horror

In the film clip, we can see a train is carrying some women to concentration camp. The white-and-black color, plus the flashing and changing of shadow and light can create an atmosphere of all except _________. A: horror B: desperation C: uncertainty D: distrust

选词填空阅读 A: pleasure B: race C: getting D: receives E: blocking F: computerized G: changing H: percentage I: after J: taken K: pleasant L: accepts M: ratio N: flashing O: behind