We can know from the first paragraph that______.
A. the assumption that human experience can change human brain structure has already been widely proved
B. human experience can change brain structure
C. stroke patients can restore mobility by themselves
D. people blindfolded for several days can still have visual ability
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What does "scaremonger" mean in the second paragraph？
A prophet who can predict what will happen in the future.
B. A person who spreads frightening rumors and stirs up trouble.
C. A scientist who is specialized in medicine.
D. A sociologist who is concerned about social issues.
Which of the following is NOT Dr. Horton's point of view？
A. Sometimes science and advocacy conflict each other.
B. The figures will not hinder women health advocates' cause.
C. The current study is more trustworthy and sophisticated.
D. The current study has important positive findings for global healt
可修复废品发生的生产成本与不可修复废品发生的生产成本一样都属于废品损失，均应计算生产成本。（）
A. 正确
B. 错误
Which of the following best indicates the main idea of the passage？
A. Immigration is an economic policy as well as a politic policy.
B. Immigration will raise wages for the average native-born worker.
C. Immigration helps the economy and most American workers.
D. Immigration policy should be primarily oriented around the national goals.
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