However, not all advertising is about selling products and services for a profit. Some advertisements nowadays aim     1    (make) a contribution to society and welfare. For example, there are public advertisements,     2    encourage citizens to participate in improving their neighborhood, protecting the environment, and helping other people. Over the last decade, the government     3    (sponsor) advertisements to educate the public     4       fighting AIDS, saving water, helping the poor, giving up smoking, etc. These advertisements have helped to increase public knowledge about topics that used to be ignored by most people and this has made our society a better place for everyone

2 . With over 250 registered art institutions，London is one of the world's greatest cultural capitals. The city's museums are a huge draw — especially for first-time visitors.

British Museum

PHONE +44 20 7323 8299

If there's one museum to see in London, this is it. From Egyptian mummies and pieces of the Parthenon to the game﹣changing Rosetta Stone and an enormous Easter Island figure, the British Museum — covering 18.5 acres — is not just one oi London's best museums, but one of the world's. Organized by geographic territories, modern-day Indiana Joneses could spend weeks exploring these halls, which back to 1753. Plan your visit in advance by mapping out the highlights.

Victoria and Albert Museum

PHONE +44 20 7942 2000

The V&A knows how to make a good first impression. Hanging in its entrance hall is a blue -and-green Dale Chihuly blown glass chandelier, and that's just the beginning. Established in 1857, the museum's collection is spread over seven floors and consists of decorative arts and design from every time period. Highlights include the notebooks of Leonardo da Vinci, arts by Picasso, a copy of the first edition of the collected works of Shakespeare, art treasures from Medieval and Renaissance Europe, and one of the most comprehensive jewelry collections in the world.

Tate Modern

PHONE +44 20 7887 8888

Housed in a former industrial power station at the foot of the River Thames,the Tate Modern is one of the world's largest and most modern art museums. Exhibiting British and international works dating from 1900 to today, the Tate Modern displays the works of masters like Rothko, Matisse, Picasso, and Dali, alongside Yayoi Kusama, Tracey Emin, and Marina Abramovic.

Tate Britain

PHONE +44 20 7887 8881

The sister gallery to the Tate Modem is the Tate Britain. With its old-world marble floors, spiral staircases, and Grecian columns, the Tate Britain is a veritable temple of British art from 1500 to today.