USAREUR License questions with complete solution

Danger. Posted before dangerous areas (for example, construction sites). Danger Danger Supplemental (Watch for Streetcars). Posted before roads with streetcar tracks. 01:04 01:21 Crossroads. Indicates an intersection or junction. Yield to traffic approaching from the right. Single Curve. Indicates a single curve and its direction. Double Curve. Indicates a double curve and its directions. Dangerous Downgrade. Posted before steep downgrades; indicates degree of downgrade. Dangerous Upgrade. Posted before steep upgrades; indicates degree of upgrade. Rough Road. Indicates uneven stretches of road. Beware of Ice. Indicates that areas ahead freeze easily (for example, bridges, shaded or wooded areas). Slippery Road. Indicates stretches of road that may be slippery when wet or dirty. Falling Rocks. Indicates stretches of road where there is danger of falling rocks. Loose Gravel. Indicates a stretch of road that has loose surface material. Reduce speed and increase distance from the vehicle in front. 00:02 01:21 Traffic Jam Ahead. Indicates that a traffic jam (Stau) may be ahead. Oncoming Traffic. Posted where oncoming traffic normally is not expected (for example, autobahns, and construction sites). Drawbridge. Indicates a drawbridge ahead. Quay or River Bank. Posted near areas where there is danger of vehicles leaving the road and entering a body of water. Signal Lights. Indicates traffic light ahead. Pedestrian Crosswalk. Indicates an upcoming pedestrian crosswalk. Children. Posted where children may cross the street, particularly near schools or playgrounds. Bicycle Crossing. Indicates that cyclists may be crossing the road. Domestic Animal Crossing. Indicates domestic animals may cross the road. Wild Animal Crossing. Indicates wild animals may cross the road. Low Flying Aircraft. Posted near areas where aircraft fly at low altitudes (for example, airports).