The newly developed skin tests may be used in the future to allow doctors to ______. The passage indicates that Alzheimer’s is

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问题 The newly developed skin tests may be used in the future to allow doctors to ______.
The passage indicates that Alzheimer’s is a disease ______.

选项 A、common to people, old and young
B、not costly to be cured
C、easy to be handled
D、not easy to be diagnosed

答案D

解析 利用“长期的和昂贵的”作为答案线索词,在第2段中找到答案相关句,句中“eliminate every other cause of dementia”的含义是“排除造成痴呆的其他各种原因”。
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