[解析]
CADC
(1)C.写作目的题.全文通过描述人们在社交或开车的时候埋头玩智能手机的现象,指出了这一现象背后值得思考的话题:智能手机的过度使用已影响到了人们的日常生活和交流.作者对此表示担忧.故答案为C.
(2)A.细节理解题.第二段well over half of all Americans have a smartphone and reach for it the moment they wake up,keeping it in hand all day.In addition,too much of society is using smartphones while driving and as a result getting into car crashes.讲述了人们使用智能手机的情况,比如聚会上、开车时,并提到了开车时使用手机发短信的青少年的比重,因此该段是通过举例子来阐述其观点的.故答案为A.
(3)D.细节理解题.根据文章最后一句Not only is the smartphone affecting our desire to interact(交流)face﹣to﹣face but it is also lowering society's ability to communicate可知,作者提倡面对面交朋友,而不是通过手机,因为智能手机不仅影响了我们面对面交流的愿望,而且也降低了社会交流的能力,可知作者对此是否定的,故答案为D.
(4)C.推理判断题.由最后一段中的"The quality of this technology is hindering societal achievements and weakening the value of communication"可知,对手机过于依赖会削弱交流的价值.故答案为C.