单项选择题

A. Experienced workers may start replacing people in more types of jobs.
B. Trained workers may start replacing people in more types of jobs.
C. Intelligent machines may start replacing people in more types of jobs.
D. Computers may start replacing people in more types of jobs
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单项选择题
A. Most young adults suffer from high blood pressure because of psychology problem. B. Most young adults suffer from high blood pressure because of their birth defect. C. Most young adults suffer from high blood pressure because of their unhealthy lifestyles. D. Most young adults suffer from high blood pressure because of their immunity deficiency.
A. Most young adults suffer from high blood pressure because of psychology problem.
B. Most young adults suffer from high blood pressure because of their birth defect.
C. Most young adults suffer from high blood pressure because of their unhealthy lifestyles.
D. Most young adults suffer from high blood pressure because of their immunity deficiency.
单项选择题
What is the hardest task in coping with the future climate change
A. To persuade people to reduce portion sizes or the frequency of eating meat.
B. To balance between food production and emissions of greenhouse gases.
C. To produce enough food for an expanding global population.
D. To change the current farming practice.
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