单项选择题
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A. When they are walking alone in the street.
B. When they are trying to locate a chair.
C. When they do not have a cane or dog.
D. When there is construction or a lot of noise around.
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单项选择题
A. He bought it from his sister.B. He sold his motorcycle to repay his sister.C. His motorcycle was stolen.D. He bought another motorcycle.
A. He bought it from his sister.
B. He sold his motorcycle to repay his sister.
C. His motorcycle was stolen.
D. He bought another motorcycle.
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Researchers are also trying PET scans method to detect the symptoms of Alzheimer’s besides the spinal fluid test.
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