The authors attitude towards nutritional experiment seems to be______.
A.ambiguous
B.suspicious
C.pessimistic
D.prejudiced
第1题
In the past, Americans got their calories mainly from______.
A.healthy carbohydrate
B.meat, eggs, and dairy
C.breads, cereals and pasta
D.yogurts, crackers and cookies
请帮忙给出正确答案和分析,谢谢!
第2题
We can learn from Paragraph 2 that______.
A.NIH"s suggestion was written into code decades ago
B.NIH suggested that all Americans take in no more fat
C.government spent a lot of money on curing heart attack
D.poor eating habits may increase the risk of certain diseases
请帮忙给出正确答案和分析,谢谢!
第3题
George Mc Govern advised people to______.
A.take more exercises
B.eat more nutritious food
C.change their eating habits
D.cut down the intake of calories
请帮忙给出正确答案和分析,谢谢!
第4题
The text mainly focuses on modern hearing aids ______.
A.drawbacks and problems
B.advantages and disadvantages
C.development and advancement
D.shortcomings and improvement
请帮忙给出正确答案和分析,谢谢!
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