were pulling fresh，long spaghetti (意大利面条) off their spaghetti trees."可知，根据Panorama这一节目播放的内容来看意大利面可以长在树上，故选A项。]

　　2．The new technology mentioned in Paragraph 2 refers to ．

　　A．how to make nylon in a cheap way

　　B．how to produce color pictures on TV

　　C．how to make nylon stockings stronger

　　D．how to change television channels quickly

　　B　[细节理解题。由第二段中的"a new technology...which would make it possible to see color pictures on their black and white television sets"可知，这项新技术是指如何让黑白电视呈现出彩色图像，故选B项。]

　　3．Which of the following clocks might be a metric clock?

　　A　 　　　　　　B

　　C　 　　　　　D

　　D　[细节理解题。由第三段中的"under metric time，there would be 100 seconds in a minute，100 minutes in an hour，and 20 hours in a day"和"Adelaide's town hall clock，with its new 10­hour metric clock face"可知，D项为正确答案。]

　　4．What would be the best title for the text?

　　A．The culture of spaghetti

　　B．The history of metric time

　　C．Funny news reports on April 1

D．Traditions on April Fools' Day