2.Why did Cole have an unusual hobby when he was on a post doctoral program?
A.To match art buyers with their favorite artists.
B.To make looking at art even more rewarding.
C.To benefit his immune system.
D.To find homes for unloved pieces of art.
正确答案：B
解析：原文明确指出：‘The task made looking at art, something he had always loved, even more enjoyable. “There was an extra layer of purpose.”’ 选项B是对该句的准确转述。A和D是 hobby 的具体行为，但题干问的是‘why’（动机），核心在于‘make it more enjoyable’；C是后文提出的科学猜想，并非当时从事该爱好的原因。
3.According to the passage, which of the following statements about PNI is NOT true?
A.It is interdisciplinary.
B.It aims at genome-wide transcription.
C.It may be lacking in care and exactness.
D.It deals with how subjective moods connect with the physiology of the nervous and immune systems.
正确答案：B
解析：原文指出：‘The field that searches for these explanations, known as psychoneuroimmunology (PNI), is often criticized as lacking rigour.’ 并说明Cole本人‘his tool of choice is genome-wide transcriptional analysis’，即全基因组转录分析是Cole个人的研究方法，而非PNI学科的整体目标。因此B项将个体方法泛化为学科目的，属于NOT true。A（跨学科）、C（缺乏严谨性）、D（连接主观情绪与神经/免疫生理）均在文中直接或间接支持。
4.What can be inferred from the passage about Cole’s studies?
A.They are focused on negative mental states.
B.They are focused on positive mental states.
C.They are acknowledged as interdisciplinary.
D.They are meant to find a healthier way to live.
正确答案：A
解析：原文明确说：‘Cole has published a string of studies suggesting that negative mental states such as stress and loneliness guide immune responses… Now Cole has switched tack, moving from negative moods into the even more murky territory of happiness.’ 可见其已有研究‘a string of studies’聚焦于negative mental states，而‘switched tack’表明转向幸福是新动向。故A可直接推断；B错误（尚未聚焦）；C未提及‘acknowledged’；D是终极愿景，但非当前研究焦点。
5.According to the passage, what is the attitude of Stephen Smale toward PNI?
A.Emotional.
B.Objective.
C.Indifferent.
D.Supportive.
正确答案：B
解析：Smale称PNI常引发‘a little snicker’，表明他承认其当前声誉不佳；但紧接着强调‘this doesn’t mean the topic should be ignored forever. Someday we need to confront it and try to understand…’，体现理性、审慎、不否定也不盲从的中立客观态度。A（情绪化）、C（漠不关心）、D（支持）均不符合其平衡表述。
解析：原文首句定义：‘Classical theories of decision-making suppose… This is called “temporal discounting”.’ 明确将其归类为决策理论（decision-making）的一种。C项‘useless’过度——原文用‘seems to go out the window’，指其预测力在疼痛情境下失效，但并非完全无用；A、B无依据。
8.The phrase “in time” in line 4, para. 7, is closest in meaning to ________.
A.very soon
B.early enough
C.in the end
D.after a fairly long period of time
正确答案：A
解析：该短语出现在‘as pain approached in time’中，结合上下文‘dread increased exponentially as pain approached’，强调时间临近感，即‘pain is coming very soon’。‘in time’在此处意为‘soon’或‘before long’，与A项‘very soon’最契合。B（及时）、C（最终）、D（很久后）均不符语境。
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