注意首字母大小寫，不含標(biāo)點(diǎn)符號(hào) During World War II the United States and Great Britain sold war _1_ as an aid in financing the war effort. Ration stamps were used in the United States to assure fair division of food and _2_. Of all stamps the postage stamp is undoubtedly the most familiar to people all over the world. Adhesive postage stamps afford such _3_ collecting fees for the transmission of postal matter that it is hard to believe that they are of relatively recent invention. Although there are isolated examples of devices similar to postage stamps being used as early as the 17th century, _4_did not make their appearance until 1840. Issued by Great Britain, these first stamps were the penny black and the two pence blue stamp, each bearing the likeness of the young Queen Victoria. Their appearance marked the end of a long period of mismanagement and _5_the British postal system, which had been set up by king Henry Ⅷ in 1523 as a royal courier service. Both James Chalmers and Sir Rowland Hill have been called the _6_of the postage stamp.