Look at the cloud is the weather 600字高中英语作文

　　We can also according to the phenomenon of light on the cloud, speculated that the weather condition. Around the sun and the moon, sometimes a kind of beautiful colorful aperture, layer is red,The aperture is called halo. Solar halo and mooning often produce in volume layer cloud, volume layer at the back of the large altostratus cloud and rain clouds, is the sign of the big wind and rain. So have a "solar halo night rain, lunar halo noon the wind". Volume layer cloud in the instructions, and dizzy, the weather becomes bad. Another smaller than halo of color ring, known as "China". The arrangement of color is red, uv with dizzy just the opposite.Solar corona and part on the edge of altostratus yuet mostly. HuaHuan changed from small to big, the weather to clear. HuaHuan from large to small, the weather is likely to turn to rain. Summer, after a storm comes a calm,opposite the sun on the clouds of often hang a colorful arc, that is the rainbow. People often say: "east rainbow boom west rainbow rain."

The behavior of the pig

　　Because of scientific experiments, I university in 1989 ~ 1991 in Paris,northwestern university in the United States from 1997 to 1998, every month to coexist with a pig for a long time. My job is in making all kinds of pig heart and the aorta has yet to carry out the surgery.Our animal center of pigs with ordinary pigs, they are very lovely. They are collective captive in the large room, skipping played with, as if is still live in the cottage. Actually do more than the farmhouse here such as "pigs" : constant temperature, humidity, uv lamp and covered the ground broken sawdust is one to two inches thick, the toilet is fixed in the corner. Small creatures to take a bath every day, so they all fuzz regardless of black and white, is very bright and clean. Most people think the pig is dirty and it is too wronged them. The pig is not only clean, it is still very heavy affection, is willing to be alone. If the technician will respectively in their own small cage, or quotas in pigs, they become listless all day, unhappy. Every pig ear wearing a small metal "id card", like a earrings, above indicate that the pigs,Whenever they withstand test operation, and vitality to gulp down, we will be happy.