Test # 76
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760 questions in 76 tests. Each test contains 10 questions.
Idiom of the Day
look down one`s nose at (someone or something)
to show your dislike of someone or something
The boy always looks down his nose at the other members of his class.
Precautions while using X Rays
Class 9 - Preposition
Rules to play Hang Gliding
Soaring flight and cross
A glider in flight is continuously descending. To achieve an extended flight, the pilot must seek air currents rising faster than the sink rate of the glider. Selecting the sources of rising air currents is the skill that has to be mastered if the pilot wants to achieve flying long distances, known as cross country (XC). Rising air masses derive from the following sources.