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Without electricity human life ______ quite difficult today.

A. is B. will be

C. would have been D. would be

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B. It comes from scientific study.

C. It is based on medical evidence.

D. It has changed over the past years.

3.According to the text, governments prevent obesity for the purpose of _______.

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B. weakening obesity’s financial impact

C. making sure of people’s long and healthy life

D. reducing the money spent on medical programs

4.What would be the best title for this text?

A. Recent Medical Study Shows Truth about Health

B. Preventing Obesity and Smoking May Cost More

C. Obesity and Smoking Lead to Expensive Diseases

D. Governments Change Attitude towards Obesity and Smoking

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