[填空题]Americans today have different eating habits than they had in the past. There is a wide (36) _______of food available. They have a broader (37) ______ of nutrition（营养）,so they buy more fresh fruit and (38) ______than ever before. At the same time, Americans (39) _______increasing quantities of sweets and sodas. Statistics show that the way people live (40) ______ the way they eat. American lifestyles have changed. There are now growing numbers of people who live alone, (41) ______ parents and children, and double-income families. These changing lifestyles are (42) ______for the increasing number of people who must(43)_meals or sometimes simply go without them. Many Americans have less time than ever before to spend preparing food. (44)______.Moreover, Americans eat out nearly four times a week on average. It is easy to study the amounts and kinds of food that people consume. (45)______.This information not only tells us what people are eating, but also tells us about the changes in a