47．From the passage we can infer that ________.

　　A．nothing is more important than decorating the Christmas tree

　　B．fresh flowers is the best choice to decorate the Christmas tree

　　C．most of the people shop their Christmas tree on the Internet

　　D．people begin making preparations for Christmas long before it begins

　　【答案与解析】　D　推断题。从文章的第1句看，从十月份人们就开始制订圣诞节的计划，由此可以推断“人们早在圣诞节到来前就开始做准备”。

　　D

　　Children are getting so fat that they may be the first generation to die before their parents, an expert says.

　　Today's young people will be affected by potential (潜在的) killers such as heart disease because of their weight. Fatty fast－food diets combined with the lifestyles with televisions and computers could mean kids will die young, says Professor Andrew Prentice, from the London School of Hygiene and Tropical Medicine. At the same time, the shape of the human body is going through a great change because adults are getting so fat.

　　Here in Britain, the latest research shows that the average waist size for a man is 36～38 inches and may be 42～44 inches by 2032.This compares with only 32.6 inches in 1972. Women's waists have grown from an average of 22 inches in the 1920s to 24 inches in the 1950s and 30 inches now. One of the major reasons why children now are at greater risk is that we are getting fatter younger. In the UK alone, more than one million under 16 years old are thought

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