短文填空：根据图片内容，用正确的单词填空，首字母已给出。

     Look a   1   this map. Do you k   2   what country it is? Yes, t   3   is the United Kingdom. The capital city

is L  4   .What c   5   is the flag? It's red, white and b  6   .The colour of the flag is d   7    from China's, but

It's the s   8   as the flag of the U.S. Do you know the U.K. has a king or a queen? Yes, t   9   live in palaces,

Now they l   10   in Buckingham Palace in London.

下列属于托盘的优点的是（）。

A.自重量小

B.返空容易，且返空时占用运力很少

C.装载的货物范围有限

D.装盘容易