请根据以要点写一篇简单介绍美国的文章。注意不要逐句翻译，字数100～120。

    1）美国位于北美洲的中部，西毗邻太平洋，东毗邻大西洋。南边与墨西哥接壤，北边与加拿大相连。

    2）美国的首都华盛顿位于美国的东部。   

    3）美国最大的城市是纽约，它位于美国的东海岸，有“大苹果”之称。联合国总部大楼就坐落在这里。

    4）美国由50个州组成，国土总面积为936万平方公里。

    5）美国有约23亿的人口，其中工人占大多数。

    6）美国最早的居民为印第安人。由于美国是一个移民国家，故有“大熔炉”之称。

生词：移民immigrant    大熔炉a melting pot 

Seeing the happy      of children playing in the park, I’m full of joy and confidence in the future of our country.

A．sight          B．scene          C．view               D．sign

Who did the teacher, as well as the monitor,         an article for the wall newspaper?

A．has written          B．has write        C．have write       D．have written

The book is        boring; it is, in fact, rather exciting and fascinating.

A．anything but        B．nothing but          C．no more        D．all but

—He was nearly drowned once.

—         was in 1998 when he was in middle school.

A．that, It           B．this, This         C．this, It            D．that, This

—Is it cold?

—Yes, a little, but quite warm     January.

A．in           B．on         C．by         D．for

The engine of the ship suddenly failed and then came a big storm, which         the helplessness of the crew at sea.

A．resulted from          B．added to           C．turned out           D．brought about

No one         the building without the permission of the police.

A．to leave               B．is about to leave                C．leaves                D．is to leave

The car ran into a crowd of middle school students,         to hospital immediately.

A．two of whom sent                                      B．two of them sent

C．two of whom are sent                     D．two of them sending

The mountain villagers,       had been damaged by the big flood, were given help by both the government and the Red Cross.

A．all whose homes                                         B．all of whose homes

C．all their homes                             D．all of their homes