As is known to all, art     1     (influence) by the customs and faith of a people. Styles in Western art have changed many times.

In the 5th century, the art of the Middle Ages came into being and the main aim of     2     (paint) was to represent religious themes.     3     a result, some pictures at this time were full of religious symbols,     4     (create) a feeling of respect and love for God. During the   Renaissance,   people   began   to concentrate     5     (little) on religious themes and adopt a more humanistic attitude     6     life. In the late 19th century, some painters became the Impressionists. And they were the first painters     7     (paint) outdoors. Paintings can reflect the     8     (develop) of civilization, and it is interesting to predict     9     styles of paintings there will be in the future.     10     not try to visit some art galleries to appreciate different styles of paintings?

There is a common fear of the number 13. It’s a number just like any other,     1     there are horror movies about it; some buildings     2     (intention) have no I3th floor; and plenty of couple avoid gating married on the13th of the month.

What makes this number so scary? Historians have pointed a few potential     3     (reason) about the origin of this fear, the most popular of which is that there were 13 diners at the Last Supper. The 13th lo arrive was Judas,       4     betrayed Jesus.

Actually, there are no problems with the number     5     (it). Maybe 13 is next to the number 12, and that makes it look bad. In many ancient cultures, 12     6     (consider) to be a perfect number. Most ancient civilizations based their systems of telling time around the number 12, There are 12 hours on a clock, and 12 months in a year. Twelve is also     7     largest number that also has one syllable (音节) in English. As the number immediately following this “perfect” one, 13 seemed imperfect,     8    (inspire) unease throughout the ancient world.

So far, both myth and math     9     (combine) to make this particular number scarier than any other. The uneasiness about the number,     10     ( date) bark to ancient times, has been developed over the years.