2. 外语
  3. Despite the______, Alzheimer’s researchers are still______about the prospects for immunization, though most agree that more resu

Despite the______, Alzheimer’s researchers are still______about the prospects for immunization, though most agree that more resu

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问题 Despite the______, Alzheimer’s researchers are still______about the prospects for immunization, though most agree that more results are needed from humans for us to truly understand immunization’s effects.
选项 A、advances… thrilled
B、obstacles … uncertain
C、setback… optimistic
D、publicity … divided
E、pessimism … unconvinced
答案C
解析
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