Test # 27
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1500 questions in 150 tests. Each test contains 10 questions.
Idiom of the Day
wolf in sheep`s clothing
a person who pretends to be good but is not
The man is a wolf in sheep`s clothing. You should be very careful when you deal with him.
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Crazy Facts About The Universe
The Moon smells like gunpowder
Upon leaving the moon astronauts on the Apollo missions described moon dust as smelling like gunpowder and feeling extremely soft. Scientists, however, are still not exactly sure why this is because the two have extremely different compositions with moon dust consisting mostly of small shards of silicone dioxide glass.