[单项选择]We have to develop good eating habits because ______.
A. we want to eat more B. we want to enjoy our meals
C. we want to be healthy and strong D. we want to save time

[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) _____________ ___________________________