请根据所给汉语或首字母写出空缺处单词的适当形式，使句子完整，语法正确，每空只填一个单词。
When the ______(人造的，虚假的) flowers are contrasted with natural ones, you can hardly tell the difference.
After she stood for a moment in the fresh air, she had a brilliant ___________(灵感).
His ______(模棱两可的) directions confused us; we did not know which of the two roads to take.
He was arrested, ______(指控) with causing severe damage to property of the country.
The ______(相似处) between Mars and Earth were enough to keep alive hopes of some form of Martian life.
As we all know, it’s f______ cold in the water in winter.
Color is a medium for expressing different feelings, but the meaning of color is not c_____ across different cultures.
It is a luxurious (奢侈的) dream for children in the poverty-s_______ area to receive formal education.
A biblical idiom is often an expression that u______ the moral of a story and gives the audience a picture to help them understand the story better.
Today, some developing countries in Africa stand at a c______ while they are seeing great development, they are still poorer than many countries in other parts of the world.