The word"cartoon"refers to an illustration.It comes from either the Italian word"cartone"（1）

or

or

the Dutch word"karton".
    Making illustrations dates back to as far as the Paleolithic Age，as evidenced by many ancient cave（2）

paintings

paintings

（painting）.While the exact purpose of these paintings cannot be determined，humans used this technique （3）

to express

to express

（express） their ideas，feelings，or emotions.
    During the 17th century，the origins of the modern cartoon began as caricatures（人物漫畫）.Later cartoons were used as a powerful means of（4）

describing

describing

（describe） the events that occurred during the American Civil War.By the mid-19th century，（5）

a

a

German-American cartoonist named Thomas Nast applied the realistic-looking German drawing and sketching（素描） technique（6）

to

to

his political cartoons.
    Comic books，as a print medium，have existed in America since the 1840s，with the publication of The Adventures of Mr.Obadiah Oldbuck in 1842.And then in the early 2000s it became the time of superhero comics that we （7）

are

are

（be） all familiar with now.
    Now cartoons are not（8）

typically

typically

（typical） limited to books or television shows.There are so many.（9）

amazing

amazing

（amaze） animated（動(dòng)畫的） movies.Animation took a big leap further when computer-generated imagery（CGD） was introduced into the animation industry，（10）

which

which

made animated movies and television shows more life-like.Nowadays，we enjoy watching 3 D-animated movies.