背景知识：邮票的来历
邮票的来历
我们知道，贴上邮票的信件，就像拥有了一张通行证，可以畅通无阻地传递到世界各地了。在邮票发明以前，收信人要付钱给邮递员作为邮费，可一些人经常付不起钱，让邮递员白辛苦一趟，把信退回去。后来有个叫罗兰•希尔的人建议政府印一些邮票，由寄信人购买邮票贴在信封上作为邮资已付的凭证。从此，就产生了邮票。
1840年，在罗兰•希尔的提议和促进下，世界上第一枚邮票正式发行，邮票的图案为英国维多利亚女王侧面浮雕像，面值1便士，用黑色印刷，被人们称之为“黑便士”的邮票。这枚邮票一直沿用了40年之久，这在邮票史上也是不多见的。
邮戳的用途：盖过邮戳的邮票是喜欢集邮的朋友非常珍贵的收藏品。邮戳除了具有纪念意义外，细心的小朋友还能发现什么呢?看一看，原来上面有日期和地点，我们知道了，信是什么时间寄出的，从哪里发过来的。每一张邮票只能用一次, 所以盖过邮戳的邮票也就不能再用了。
齿孔邮票是谁发明的：1854年，英国发行了第一枚带有齿孔的邮票，方便了以前用剪刀把整张邮票一枚一枚剪开的麻烦。这是一个叫享利的人偶尔看到一位记者用别针在邮票的空隙间扎孔，他得到启示，回到家后制作了邮票打孔机，以后被正式采用。
拓展阅读：
Music in America
Music is an international language. The songs that are sung or played by instruments are beautiful to all people everywhere.
Popular music in America is what every student likes. Students carry small radios with earphones and listen to music before class, after class and at lunch. Students with cars buy large speakers and play the music loudly as they drive on the street.
Adult drivers listen to music on the car radio as they drive to work. They also listen to the news about sports, the weather, politics, and activities of the American people. Most of the radio broadcast is music.
Pop or popular music singers make much money. They make a CD or tape which radio stations use in every state. Once the popular singer is heard throughout the country, young people buy his or her tapes. Some of them money from these tapes comes to the singer. Wherever the singer goes, all the young people want to meet him or her. Now the singer has become a national star.
There are other kinds of music that is important to Americans. One is called folk music. It tells stories about the common life of Americans. Another is called western or country music. This was started by cowboys who would sing at night to the cows they were watching. Today, any music about country life and the love between a country boy and his girl is called western or country music.
客观题：
1、How many kinds of music are mentioned in the passage?
A. Four B. Three C. Five D. Six
2、How can a singer become a national star according to the passage?
A、When he has made much money
B、After he makes a CD or tape
C、Once the singer is heard throughout the country
D、After young people meet him of her
3、The writer of the passage thinks_______.
A、 popular music is what everyone enjoys
B、 when music is played ,it seems as if it were speaking to us
C、 music is so popular throughout the world that everyone spends much money on it
D、 music is an international language because everyone can enjoy the songs that are sung or played by instruments
4、What does young people usually like?
5、What kind of language does music like?
答案：
1. B
解析：文章第四段介绍了一种音乐，由第五段的one……another……可知还有两种音乐。所以文中共提到了三种音乐形式。
2. C
解析：文中第四段给出了成为全国知名的明星的标准。C选项与之相符。
3. D
解析：选项D与文中第一段所述相符，音乐是世界语言，音乐无国界。其他三个选项拼凑文中词语而来，均有失实之处，出题者用了“扩大范围”、“移花接木”、“偷换概念”等方式制造了干扰选项。
4. Pop music
解析：文中第二段讲述了美国学生喜欢流行音乐。
5. Music is an international language.
解析：根据文中第一段所述，音乐是国际语言，语言不通的人之间，也可以通过音乐交流。
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