Paper cutting is a folk culture with so long a history. When Chinese Lunar New Year is coming, it is a custom     1     northern people to paste the paper cutting on the window. Gradually, it develops into an art form, one of the     2     (popular) traditional decoration arts. It is recorded that there were decorations made by gold and silver foil, leather and silk products in 1600 BC. We can say that paper cutting came from these art forms.

In the early time, people made images of humans and subjects by hemp paper     3     (bury) together with the body in the tomb or to burn on the funerals. With the special symbolization meaning, paper cutting     4     (use) as decorations on sacrificing ceremonies. In 105 AD, Cai Lun improved the paper making technique and a large amount of paper was produced,     5     laid a foundation for the spread of paper cutting. Beautiful patterns (图案) were created and gradually, the patterns were     6     (wide) used in other fields later.

There were more records of paper cutting after 960 AD (Song dynasty).     7     (profession) paper cutting artists appeared,     8     (specialize) in different patterns. Some were good at cutting flowers     9     others were expert at characters’ cutting. Thus the patterns were abundant (丰富的) and colorful. One of the most important     10     (contribution) of paper cutting in the Song dynasty was that patterns were used on the china.

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?

Up to 82 percent of children with healthy mothers are not easy to be obese（肥胖的）, according to research. A mother,     1     has a healthy weight, exercises regularly, eats a healthy diet, doesn’t smoke and only     2    (drink) wine in moderation, is significantly less likely     3    (have)a fat child, scientists say.

And research suggests it could be more to do with nurture(养育)    4     nature, as a mother's lifestyle appears     5    (direct) linked to the health of her child. When both mother and child follow a healthy lifestyle, the risk of obesity     6    (reduce)even more, the study of more than 24,000 children found.

The study examined the medical history and lifestyles of more than 24,000 children aged nine     7     fourteen, born to almost 17,000 women in the US. Researchers looked at the link between overall mother health and likelihood of a child     8    (be) obese.

The mother's health was judged on her height-to-weight ratio(比例), her diet, amount of physical     9    (active), smoking status and how much alcohol she drank. A healthy weight and diet, regular exercise, no smoking and moderate drinking all reduce the chance of a woman having     10     obese child.