51. What does the author say about the negative impact of smartphones?
- A. It has been overshadowed by the positive impact.
- B. It has more often than not been taken for granted.
- C. It is not so obvious but has caused some concern.
- D. It is subtle but should by no means be overstated.
答案：C
答案句：Often the advantages of convenient, mobile technology are both obvious and taken for granted, leaving more subtle topics for concerned discussion: Are smartphones disturbing children's sleep? Is an inability to get away from work having a negative impact on health? And what are the implications for privacy?
参考译文：通常，便捷移动技术的优势既明显又被视为理所当然，从而留下更微妙的话题供人们关注讨论：智能手机是否在干扰儿童的睡眠？无法摆脱工作是否对健康产生负面影响？以及对隐私有何影响？
定位线索：题干“negative impact of smartphones”→答案句“more subtle topics for concerned discussion”；文中“subtle”对应选项C“not so obvious”；文中“concerned discussion”对应选项C“caused some concern”
解析：题干问作者对智能手机负面影响的看法。答案句指出优势明显且被忽视，留下“more subtle topics”（更微妙的话题）供“concerned discussion”（关注讨论），随后列举睡眠、健康、隐私等负面问题。选项C“It is not so obvious but has caused some concern”（不太明显但已引起关注）正是对“subtle”和“concerned discussion”的同义转述。选项A“被积极影响掩盖”原文未提；选项B“被视为理所当然”说的是优势而非负面影响；选项D“不应被夸大”原文无此意。
52. What is considered a less obvious advantage of smartphone technology?
- A. It systematically records real human interactions.
- B. It helps people benefit from technological advances.
- C. It brings people into closer contact with each other.
- D. It greatly improves research on human behavior.
答案：D
答案句：But today, on the 10th anniversary of the iPhone, let's take a moment to consider a less obvious advantage: the potential for smartphone technology to revolutionize behavioral science.
参考译文：但在今天，在iPhone问世十周年之际，让我们花点时间考虑一个不那么明显的优势：智能手机技术彻底改变行为科学的潜力。
定位线索：题干“less obvious advantage”→答案句“a less obvious advantage”；文中“revolutionize behavioral science”对应选项D“greatly improves research on human behavior”；文中“potential”对应选项D“improves”
解析：题干问被认为不太明显的智能手机技术优势是什么。答案句明确指出“less obvious advantage”是“the potential for smartphone technology to revolutionize behavioral science”（彻底改变行为科学的潜力），即选项D“It greatly improves research on human behavior”（极大改善人类行为研究）。选项A“系统记录真实人际互动”是研究手段而非优势；选项B“帮助人们受益于技术进步”过于宽泛；选项C“使人们更紧密接触”与原文无关。
54. How will future psychological studies benefit individuals?
- A. By helping them pin down their unusual behaviors.
- B. By helping them maintain a positive state of mind.
- C. By helping them live their lives in a unique way.
- D. By helping them cope with abnormal situations.
答案：A
答案句：Beyond revealing population-wide patterns, the right combination of data and analysis can also help individuals identify unique characteristics of their own behavior, including conditions that could indicate the need for some form of intervention-such as an unusual increase in behaviors that signal a period of depression.
参考译文：除了揭示全人口模式外，数据和分析的恰当结合还能帮助个体识别自身行为的独特特征，包括可能表明需要某种干预的状况——例如预示抑郁期的行为异常增加。
定位线索：题干“future psychological studies benefit individuals”→答案句“help individuals identify unique characteristics”；文中“identify unique characteristics”对应选项A“pin down their unusual behaviors”；文中“unusual increase in behaviors”对应选项A“unusual behaviors”
解析：题干问未来心理学研究如何使个体受益。答案句指出能“help individuals identify unique characteristics of their own behavior”（帮助个体识别自身行为的独特特征），并举例“unusual increase in behaviors”（行为异常增加），即选项A“By helping them pin down their unusual behaviors”（帮助确定异常行为）。选项B“保持积极心态”、选项C“以独特方式生活”、选项D“应对异常情况”均与原文不符，原文强调识别而非应对。