6、Cardiopulmonary resuscitation, commonly known as CPR, is an emergency procedure performed in an effort to manually preserve intact brain function until further measures are taken to restore spontaneous blood circulation and breathing in a person who is in cardiac arrest. CPR involves chest compressions at least 5 cm deep and at a rate of at least 100 per minute in an effort to create artificial circulation by manually pumping blood through the heart and thus the body. The rescuer may also provide breaths by either exhaling into the subject\'s mouth or nose or using a device that pushes air into the subject\'s lungs. This process of externally providing ventilation is termed artificial respiration. CPR alone is unlikely to restart the heart. Its main purpose is to restore partial flow of oxygenated blood to the brain and heart. The objective is to delay tissue death and to extend the brief window of opportunity for a successful resuscitation without permanent brain damage.
7、Quantum of the Seas spent its inaugural 2014–2015 season sailing from Cape Liberty in Bayonne,
New Jersey, United States, before repositioning to China in May 2015. Beginning late June 2015, the ship will sail three- to eight-night itineraries year-round from Shanghai to Japan and Korea. On June 20, 2015, the ship visited Hong Kong. Quantum of the Seas has 16 passenger-accessible decks, 8 of which feature balcony staterooms overlooking the ocean. There are a total of 2,090 staterooms: 1,570 balcony staterooms, 147 ocean-view staterooms, and 373 inside staterooms. Of those staterooms, 34 are wheelchair accessible and 28 are studio staterooms for single travelers. All aft-facing staterooms are 2-story
Lineon the Disney Dream, all the interior staterooms feature a floor-to-ceiling 80-inch high-definition TV screen showing live views from the outside of the ship.
8、Vatican City, officially the Vatican City State is a walled enclave within the city of Rome. With an area of approximately 44 hectares, and a population of 842, it is the smallest internationally recognized independent state in the world by both area and population. Vatican City is distinct from the Holy See, which dates back to early Christianity and is the main episcopal see of 1.2 billion Latin and Eastern Catholic adherents around the globe. Within Vatican City are cultural sites such as St. Peter\'s Basilica, the Sistine Chapel and theVatican Museums. They feature some of the world\'s most famous paintings and sculptures. The uniqueeconomy of Vatican City is supported financially by the sale of postage stamps and tourist mementos, fees for admission to museums, and the sale of publications. The name Vatican City was first used in the Lateran Treaty, signed on 11 February 1929, which established the modern city-state. The name is taken from Vatican Hill, the geographic location of the state.
9、Paris is the capital and most-populous city of France. The City of Paris has an area of 105.4 square kilometers and had a population of 2,241,346 in 2014. The Paris Region covers 12,012 square kilometers and has its own regional council and president. It had a population of 12,005,077 as of January 2014, or 18.2 percent of the population of France. By the 12th century, Paris was the largest city in the western world, a prosperous trading centre, and the home of the University of Paris, one of the first in Europe. In the 18th century, it was the centre stage for the French Revolution, and became an important centre of finance, commerce, fashion, science, and the arts, a position it still retains today. Paris is the home of the most visited art museum in the world, the Louvre, noted for its collection of French Impressionist art. The notable architectural landmarks of Paris is the Eiffel Tower. In 2014 Paris received 22.4 million visitors, making it one of the world\'s top tourist destinations.
10、Washington, D.C., formally the District of Columbia is the capital of the United States. The states of Maryland and Virginia each donated land to form the federal district. Named in honor of George Washington, the City of Washington was founded in 1791 to serve as the new national capital. In 1846,
Congress returned the land originally ceded by Virginia; in 1871, it created a single municipal government for the remaining portion of the District.Washington, D.C., had an estimated population of 658,893 in 2014, the 22nd-most populous city in the United States. The centers of all three branches of the federal government of the United States are in the District, including the Congress, President, and Supreme Court. Washington is home to many national monuments and museums, which are primarily situated on or around the National Mall. The city hosts 176 foreign embassies as well as the headquarters of many international organizations, trade unions, non-profit organizations, lobbying groups, and professional associations.
11、Sweden is a Scandinavian country in Northern Europe. It borders Norway and Finland. Sweden is the third-largest country in the European Union by area, with a total population of over 9.7 million.Sweden emerged as an independent and unified country during the Middle Ages. In the 17th century, it expanded its territories to form the Swedish Empire, which became one of the great powers of Europe until the early 18th century. Swedish territories outside the Scandinavian Peninsula were gradually lost during the 18th and 19th centuries, beginning with the annexation of present-day Finland by Russia in 1809. Sweden maintains a Nordic social welfare system that provides universal health care and tertiary education for its citizens. It has the world\'s eighth-highest per capita income and ranks highly in numerous metrics of national performance, including quality of life, health, education, protection of civil liberties, economic competitiveness, equality, prosperity and human development.
