31.Parents in the United States tend to ask their children
A.to save food.
B.to wash the dishes.
C.not to waste food.
D.not to eat too much.
32.Why do American restaurants serve large portions?
A.Because Americans associate quantity with value.
B.Because Americans have big bellies.
C.Because Americans are good eaters.
D.Because Americans are greedy.
33.What happened in the 1970s?
A.The US government recommended the amount of food a restaurant gave to a customer.
B.Health experts persuaded restaurants to serve smaller portions.
C.The United States produced more grain than needed.
D.The American waistline started to expand.
34.What does the survey indicate?
A.Many poor Americans want large portions.
B.Twenty percent Americans want smaller portions.
C.Fifty seven percent Americans earn $150,000 per year.
D.Twenty three percent Americas earn less than $25,000 per year.
35.Which of the following is NOT true of working class Americans?
A.They work long hours.
B.They live from paycheck to paycheck.
C.They don't want to be healthy eaters.
D.They want to save money for their children.
参考答案：CADAC
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