Beautiful pictures of mountains and forests, clear skies, flying birds, wild animals, silly faces — you can find them all in one place. 46   ? On a postcard! Have people always sent postcards? No! Before postcards, people  47  sealed (密封的) letters.
The 48   for the first decorated (装饰的) postcard came to John P. Charlton in 1861. He thought a simple card  49 a border would be a great way to send a note. Then in the late 1800s, postcards which had pictures on them 50   . By law, people had to write their note on the front—on the picture! The back was 51  for the address. Several years later, England allowed a divided-back (背面隔开的) postcard. Then people could write their 52   on the back left side. And they put the address 53  . During the early 1900s, the golden age of postcards, people around the world were more and more 54   picture postcards. In 1908, Americans alone mailed over 677 million postcards.
Today, postcards are the 55   most popular collection in the world after stamps and coins. You can always see or get a lot of newly-designed postcards, especially on New Year's Day.

A．How B．When C．Why D．Where

A．liked B．hated D．lost

A．advice B．picture C．idea D．card

A．above B．with C．under D．for

A．happened B．changed C．ended D．appeared

A．even B．only C．still D．ever

A．note B．word C．address D．letter

A．on the front B．on the back C．on the left D．on the right

A．surprised at B．interested in C．expected by

A．first B．second C．third D．fourth