题目内容
2.听第10段材料,回答第17至第20题.17.What does the speaker encourage us to do?
A.Raise animals.
B.Lose weight.
C.Eat healthy.
18.What do we learn about people in earlier times from the speaker?
A.Free from worry about bad effect of food.
B.Busy producing food for others.
C.Rich in various food.
19.Why do some people give up eating potatoes or rice?
A.To stay well.
B.To keep slim.
C.To eat right.
20.How should we control our weight?
A.By having a balanced diet.
B.By having the same diet.
C.By dieting and exercising.
分析 略
解答 CABA
点评 略
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