1、用一段英语文章来描述美国的地理位置，天气和国旗。
The United States is the world's very important big country, its land area is located in the fourth in the world, behind Russia, Canada and China. The United States is located in North America, neighboring countries such as Canada and Mexico have, the United States also includes the verge of the Arctic territory of Alaska and Hawaii Pacific. The United States economic and technological power in the world no one can challenge, are well-deserved superpower.
The United States with the diverse nature of the climate. In which the United States in the north latitude of approximately 25 ° to 49 ° between, with the exception of the southern tip of Florida peninsula as a tropical climate, are for the temperate and subtropical climate. Uneven precipitation, generally speaking, the east and humid, arid western region. North-eastern coastal and Great Lakes regions, the north by the cold Labrador and the impact of the cold, cold winter, the average January temperature of about -6 ℃ in summer than mild, wet, the average July temperature of 16 ℃ or so; annual average about 1000 mm of precipitation. The central Great Plains area, north and south because of the terrain open, the cold winter air can be south, the summer can be hot southerly blowing constantly, and the winter cold and summer heat. The area around the northern, l up to the month of minimum temperature of -40 ℃, 7 month up to a maximum temperature of 45 ℃. The annual average precipitation is normally 500 to 1000 mm. South-east and the Gulf of Mexico coast to subtropical climate. Affected by the Gulf Stream, warm and humid, the average January temperature of 9 ℃ around the average July temperature of 24 ~ 27 ℃. Often in late summer early autumn hurricane hit the Gulf Coast, resulting in disaster. The annual average precipitation 1500 mm. Western inland plateau, the climate is arid with cold winter, hot summer, the annual average precipitation at 500 mm below the southern desert plateau less than 250 mm of precipitation. The Pacific coast of the northern part of the climate,rainfall, l the average temperature in the month of more than 4 ℃, the average temperature in August do not exceed 14 ℃, the average annual precipitation 1500 mm. Pacific Rim is the southern Mediterranean-type climate, warm and rainy winter, dry hot summer, the average January temperature of 12 ℃, 8 month more than 22 ℃, the average annual precipitation is 300 ~ 500 mm. Alaska, about 1 / 3 is located in the Arctic Circle, is a cold, dry and cold climate. Southeastern Alaska along the Pacific coast e to the impact of warm, humid climate more moderate. Hawaiian Islands is located in tropical, hot climate. In general the wind-rich precipitation in the north-east slope, leeward drier dry southwest slope, the slope of indivial wind of up to 12,000 millimeters of annual precipitation.
American flag for a rectangular shape, length and width ratio of 19:10 for the Stars and Stripes (the Star-Spangled Banner), the upper-left corner flag for the blue stars surface area of the stars a few provisions in the respective departments, the United States is the state flag on the number of a few of the stars. Star 13 is outside the red and white stripes, 13 stripes on behalf of the original 13 colonies in North America. According to Washington, said: symbol of the United Kingdom with red stripes, white stripes and a symbol of freedom from it. More general argument that the red symbol of strength and courage, a symbol of purity and innocence of white, blue is a symbol of vigilance, perseverance and justice. In 1818 the U.S. Congress pass the bill, red and white flag on the fixed width for the 13, the number of five-pointed star should be in line with several states of America. Each additional state, the national flag on a star to increase, the general in the new states to join the second year after the implementation of July 4. So far has been the national flag to 50 stars, representing the 50 U.S. states. June 14 each year as "the development of the anniversary of the American flag." On this day, commemorative activities held throughout the United States to show respect for the flag and love of America.
中文翻译：美国是世界上非常重要的大国，其国土面积位于世界第四位，仅次与俄罗斯、加拿大和中国。美国位于北美洲，邻国有加拿大和墨西哥等，美国领土还包括濒临北冰洋的阿拉斯加和太平洋的夏威夷。美国经济和科技实力目前在世界无人可以望其项背，是当之无愧的超级大国。
美国的气候具有多样化的特点。美国本土所处的纬度大约在北纬25°到49°之间，除佛罗里达半岛南端为热带气候外，都为温带和亚热带气侯。降水量不平衡，一般说来，东部湿润，西部干旱。东北部沿海和五大湖地区，受拉布拉多寒流和北方冷空气影响，冬季寒冷，1月份平均气温为-6℃左右，夏季较温和，多雨，7月份平均气温为16℃左右；年平均降水量约1000毫米。中部大平原区，由于地形南北敞开，冬季寒冷气流可长驱南下，夏季炎热的南风可不断吹进，因而冬季寒冷，夏季炎热。靠近北部一带，l月份最低气温可达-40℃，7月份最高气温可达45℃。年平均降水量一般在500～1000毫米。东南部和墨西哥湾沿岸为亚热带气候。受墨西哥湾暖流影响，温暖湿润，1月份平均气温为9℃左右，7月份平均气温为24～27℃。夏末初秋墨西哥湾沿岸常有飓风侵袭，造成灾害。年平均降水量在1500毫米以上。西部内陆高原，气候干燥，冬季寒冷，夏季炎热，年平均降水量在500毫米以下，高原南部的荒漠地带降水量不到250毫米。太平洋沿岸北部是海洋性气候，冬暖夏凉，雨量充沛，l月份平均气温在4℃以上，8月份平均气温不超过14℃，年平均降水量在1500毫米以上。太平洋沿岸南部属地中海型气候，冬季温暖多雨，夏季干燥闷热，1月份平均气温为12℃，8月份超过22℃，年平均降水量为300～500毫米。阿拉斯加约有1/3位于北极圈内，属寒带，气候干燥寒冷。东南部太平洋沿岸因受阿拉斯加暖流的影响，气候较温和湿润。夏威夷群岛地处热带，气候炎热。一般来说迎风的东北坡降水丰富，背风的西南坡干燥少雨，个别迎风坡年降水量可达12000毫米.
美国国旗为长方形，长宽之比为19：10，为星条旗(the Star-Spangled Banner)，旗面左上角为蓝色星区，区内的星数于有关部门规定，美国的州数就是国旗上的星数。星区以外是13道红白相间的条纹，13道条纹代表最初北美13块殖民地。据华盛顿说：红色条纹象征英国，白色条纹象征脱离它而获得自由。更普遍的说法认为，红色象征强大和勇气，白色象征纯洁和清白，蓝色则象征警惕，坚韧不拔和正义。1818年美国国会通过法案，国旗上的红白宽条固定为13道，五角星数目应与合众国州数一致。每增加一个州，国旗上就增加一颗星，一般在新州加入后的第二年7月4日执行。至今国旗上已增至50颗星，代表美国的50个州。每年6月14日为“美国国旗制定纪念日”。在这一天，美国各地举行纪念活动，以示对国旗的敬重和对合众国的热爱。
2、帮忙找一下美国城市的气候状况英语版的。
Warm temperate semi-humid monsoon climate with both maritime climate characterized.Northern Hemisphere mid-latitude areas,
3、关于英语的美国气候的作文300字
The United States has many different kinds of climate. On the west coast the temperature changes very little between summer and winter. But the north central states have a very different kind of climate. In those states, people wear light clothing ring the summer, and they need heavy wool or fur clothing in the winter.In the southwest, the climate is pleasantly warm ring the winter, but the summer is unpleasantly hot.In the eastern part of the United States,summer temperatures are very different from winter temperatures.Summers are usually hot,and winters are usually cold.Spring temperatures are comfortably warm, and fall temperatures are pleasantly cool.Years ago, people in the cold parts of the United States didn’t often get fresh vegetables and fresh fruits ring the winter. Today, however, trucks and trains carry fruits and vegetables very quickly to all parts of the United States. In this way, Americans “send their climates” to people in other states.
4、用英语介绍美国地理
The United States is located in southern North America, east to the Atlantic,
West Pacific, north of Canada, South to Mexico and the Gulf of Mexico. The whole
territory from east to west can be divided into 5 geographical regions: the
coastal plain in southeastern coastal plain is divided into two parts of the
Atlantic and Mexico coastal plain. This is an area of at an elevation of 200
meters below, the majority formed by the alluvial rivers, especially the
Mississippi River Delta, Delta, the world's largest soil and oil, fertile soil.
There are some swamps near the mouth of the river. Located in the geographical
area of the Florida Peninsula is the United States of America's largest
peninsula.
The Appalachian Mountains located in the west of the Atlantic
coastal plain, basic parallel with the coast, more than 2300 km long, the
general elevation of 1000 ~ 1500 meters, composed of several parallel mountains.
The plain was inverted triangle, long North American and Canadian border, south
the Atlantic Coastal Plains along the Rio Grande river. Western mountains from
the west is composed of two mountains, east of Rocky Mountains, west of the
Sierra Nevada mountains and the cascade mountains. A proct of the old fold
after exercise. Whitney Nevada mountain peak 4418 meters above sea level, as the
United States, the highest point, the Cascade Mountains of Mount Rainier 4392
meters, after Whitney peak. Western mountain plateau by the Colorado plateau,
Wyoming plateau, Columbia Plateau and the Grand Canyon, the most complex
geological structure in the western region of the United States of america. The
Grand Canyon is located in the northwest part of Arizona, a series with many
twists and turns, perplexing and deep valley gorge, the momentum of the
majestic, steep rock wall, as the world's rare natural landscape. The United
States has numerous rivers and lakes, water complex, in general can be divided
into three major river systems: where is located in the east of the rocky
mountains into the the Atlantic River are called the Atlantic river system,
mainly in the Mississippi River, Connecticut River and the Hudson river. The
Mississippi River is full-length 6020 kilometers, ranking third in the world.
Where a river called into the Pacific Ocean water. Mainly in the Colorado River,
Columbia River, Yukon etc.. North America east of the Great Lakes group.
Including Lake Superior, Lake Michigan, Lake Huron, Lake Erie and lake Ontario,
a total area of 245000 square kilometers, is the world's largest freshwater,
known as the "North American Mediterranean", the Michigan lake is the United
States of America, the other 4 Lake as the United States and canada. Lake
Superior is the world's largest freshwater lake, the lake area in the world only
to the Caspian Sea and ranked the second in the world.
In most parts of
the United States of America's climate is temperate and subtropical climate,
only the tip of the Florida Peninsula tropical. Northern California is located
in north latitude 60 to 70 degrees, is the cold Arctic climate zone; Hawaii
Prefecture is located to the south of the Tropic of cancer, is a tropical
climate zone. But because the United States has a vast territory, complicated
terrain, different climate. Can be divided into 5 climatic zones: the northeast
coast temperate climate zone. This area because of the impact, the Labrador
Current and the cold northern winter, the average January temperature is -6 ℃,
mild and rainy in summer, in July the average temperature is about 16 ℃. Average
annual precipitation is about 1000 mm. Southeast subtropical climate zone.
Because of the influence of Mexico gulf stream, warm and humid climate, the
average January temperature is 96 ℃, the average July temperature of 24 ~ 27 ℃,
the average annual rainfall of 1500 mm. Central Plains continental climate zone.
This area is characteristic of the climate, the winter cold, in January, the
average temperature of -14 ℃, hot summer, the average temperature in July up to
27 ~ 32 ℃. Average annual precipitation is 1000 ~ 1500 mm. The western plateau
dry climate zone. The regional inland climate, large temperature difference
between the plateau last year, Colorado plateau temperature up to 25 ℃. The
average annual precipitation 500 mm below the desert plateau, less than 250 mm
of precipitation. Along the coast of the Pacific Ocean Climate zone. Winter in
the region, with plenty of rainfall. In January the average temperature over 4
℃, the average July temperature of 20 ~ 22 ℃. Average annual precipitation is
about 1500 mm.
The United States agricultural, mineral and forest
resources play a decisive role, plays a role in the world. The United States of
America's geographical location, climate and terrain structure is be richly
endowed by nature. The United States agricultural land (cultivated land and
pasture) of about 430000000 hectares, accounting for all of earth agriculture
with around 10%. Abundant rainfall, fertile soil, of the world's total grain
output of 1/5, the main agricultural procts such as wheat, corn, soybean,
cotton, meat proction ranks first in the world.
The United States is
rich in mineral resources, iron ore, coal, natural gas, lead, zinc, silver,
molybdenum, zirconium, uranium output occupies the world front row, but
strategic resources such as titanium, manganese, tin, cobalt, chromium, nickel,
mainly rely on imports. The total coal reserves of 35996 tons, the total oil
reserves of about 24000000000 tons, natural gas reserves of 5603400000000 cubic
meters.
The United States has 1800000000 hectares of forest, accounted
for about 31.5% of the total land area, the main tree species are pine,
ponderosa pine, American white pine and oak class.
5、用英文介绍美国的天气
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6、急求英文版的介绍美国气候的文章
http://www.cdc.noaa.gov/USclimate/
去看百看，也度许能知找到道你想专要属的
7、英语介绍美国天气变化特征
Americans are sharply divided in their beliefs about whether climate change is real, according to a new study commissioned by The Nature Conservancy and other leading conservation and climate action groups
Impact: Higher temperatures
Impact: Changing landscapes
Impact: Wildlife at risk
Impact: Rising seas
Impact: Increased risk of drought, fire and floods
Impact: Stronger storms and increased storm damage
Impact: More heat-related illness and disease
Impact: Economic losses